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< div class = "section" id = "developing-in-linux-containers-202006" >
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< span id = "blog-lxcdev-202006" > < / span > < h1 > Developing in Linux containers [202006]< a class = "headerlink" href = "#developing-in-linux-containers-202006" title = "Permalink to this headline" > ¶< / a > < / h1 >
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< div class = "sidebar" >
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< p class = "sidebar-title" > Audience< / p >
< p > This blog post is written for experienced admins and developers / readers
should have a serious meaning about: < em > distributed< / em > , < em > merge< / em > and < em > linux
container< / em > .< / p >
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< / div >
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< div class = "contents local topic" id = "contents" >
< p class = "topic-title" > Contents< / p >
< ul class = "simple" >
< li > < p > < a class = "reference internal" href = "#motivation" id = "id1" > Motivation< / a > < / p > < / li >
< li > < p > < a class = "reference internal" href = "#gentlemen-start-your-engines" id = "id2" > Gentlemen, start your engines!< / a > < / p > < / li >
< li > < p > < a class = "reference internal" href = "#in-containers-work-as-usual" id = "id3" > In containers, work as usual< / a > < / p > < / li >
< li > < p > < a class = "reference internal" href = "#wrap-production-into-developer-suite" id = "id4" > Wrap production into developer suite< / a > < / p > < / li >
< li > < p > < a class = "reference internal" href = "#abstract" id = "id5" > Abstract< / a > < / p > < / li >
< / ul >
< / div >
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< p > In PR < a class = "reference external" href = "https://github.com/searx/searx/pull/1803" > #1803< / a > we added a lot of scripts to Searx’
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post I will show you, how you can make use of them in < em > distributed and
heterogeneous development cycles< / em > (TL;DR; jump to the < a class = "reference internal" href = "#blog-lxcdev-202006-abstract" > < span class = "std std-ref" > Abstract< / span > < / a > ).< / p >
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< div class = "section" id = "motivation" >
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< h2 > < a class = "toc-backref" href = "#id1" > Motivation< / a > < a class = "headerlink" href = "#motivation" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > Normally in our development cycle, we edit the sources and run some test and/or
builds by using < code class = "docutils literal notranslate" > < span class = "pre" > make< / span > < / code > before we commit. This cycle is simple and perfect but
might fail in some aspects we should not overlook.< / p >
< blockquote >
< div > < p > The environment in which we run all our development processes matters!< / p >
< / div > < / blockquote >
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< p > The < a class = "reference internal" href = "../dev/makefile.html#makefile" > < span class = "std std-ref" > Makefile< / span > < / a > and the < a class = "reference internal" href = "../dev/makefile.html#make-install" > < span class = "std std-ref" > Python environment< / span > < / a > encapsulate a lot for us, but they
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do not have access to all prerequisites. For example, there may have
dependencies on packages that are installed on the developer’
usually are not preinstalled on a server or client system. Another examples
are; settings have been made to the software on the developer’
never be set on a < em > production< / em > system.< / p >
< p > < em > Linux Containers< / em > (< a class = "reference external" href = "https://linuxcontainers.org/lxc/introduction/" > LXC< / a > ) are isolate environments and not to mix up on
developer’
always a good choice.< / p >
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< p > The scripts from PR < a class = "reference external" href = "https://github.com/searx/searx/pull/1803" > #1803< / a > can divide in those to install and maintain
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software:< / p >
< ul class = "simple" >
< li > < p > < a class = "reference internal" href = "../utils/searx.sh.html#searx-sh" > < span class = "std std-ref" > utils/searx.sh< / span > < / a > < / p > < / li >
< li > < p > < a class = "reference internal" href = "../utils/filtron.sh.html#filtron-sh" > < span class = "std std-ref" > utils/filtron.sh< / span > < / a > < / p > < / li >
< li > < p > < a class = "reference internal" href = "../utils/morty.sh.html#morty-sh" > < span class = "std std-ref" > utils/morty.sh< / span > < / a > < / p > < / li >
< / ul >
< p > and the script < a class = "reference internal" href = "../utils/lxc.sh.html#lxc-sh" > < span class = "std std-ref" > utils/lxc.sh< / span > < / a > , with we can scale our installation, maintenance or
even development tasks over a stack of containers, what we call: < em > Searx’
suite< / em > .< / p >
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< / div >
< div class = "section" id = "gentlemen-start-your-engines" >
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< h2 > < a class = "toc-backref" href = "#id2" > Gentlemen, start your engines!< / a > < a class = "headerlink" href = "#gentlemen-start-your-engines" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > Before you can start with containers, you need to install and initiate < a class = "reference external" href = "https://linuxcontainers.org/lxd/introduction/" > LXD< / a >
once:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-0-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-0-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-0-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-0-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ snap install lxd
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$ lxd init --auto
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > And you need to clone from origin or if you have your own fork, clone from your
fork:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-1-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-1-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-1-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-1-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ < span class = "nb" > cd< / span > ~/Downloads
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$ git clone https://github.com/searx/searx.git
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$ < span class = "nb" > cd< / span > searx
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > The < a class = "reference internal" href = "../utils/lxc.sh.html#lxc-searx-env" > < span class = "std std-ref" > searx suite< / span > < / a > consists of several images, see < code class = "docutils literal notranslate" > < span class = "pre" > export< / span >
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< span class = "pre" > LXC_SUITE=(...< / span > < / code > near by < a class = "reference external" href = "https://github.com/searx/searx/blob/master/utils/lxc-searx.env#L19" > git://utils/lxc-searx.env#L19< / a > . For this blog post
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we exercise on a < a class = "reference external" href = "https://www.archlinux.org/" > archlinux< / a > image. The container of this image is named
< code class = "docutils literal notranslate" > < span class = "pre" > searx-archlinux< / span > < / code > . Lets build the container, but be sure that this container
does not already exists, so first lets remove possible old one:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-2-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-2-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-2-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-2-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh remove searx-archlinux
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$ sudo -H ./utils/lxc.sh build searx-archlinux
< / pre > < / div >
< / div >
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< / div > < / div >
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< div class = "sidebar" >
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< p class = "sidebar-title" > The < code class = "docutils literal notranslate" > < span class = "pre" > searx-archlinux< / span > < / code > container< / p >
< p > is the base of all our exercises here.< / p >
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< / div >
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< p > In this container we install all services < a class = "reference internal" href = "../utils/lxc.sh.html#lxc-sh-install-suite" > < span class = "std std-ref" > including searx, morty & filtron< / span > < / a > in once:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-3-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-3-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-3-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-3-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh install suite searx-archlinux
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< / pre > < / div >
< / div >
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< / div > < / div >
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< p > To proxy HTTP from filtron and morty in the container to the outside of the
container, install nginx into the container. Once for the bot blocker filtron:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-4-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-4-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-4-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-4-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
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./utils/filtron.sh nginx install
...
INFO: got < span class = "m" > 429< / span > from http://10.174.184.156/searx
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > and once for the content sanitizer (content proxy morty):< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-5-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-5-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-5-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-5-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
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./utils/morty.sh nginx install
...
INFO: got < span class = "m" > 200< / span > from http://10.174.184.156/morty/
< / pre > < / div >
< / div >
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< / div > < / div >
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< div class = "sidebar" >
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< p class = "sidebar-title" > Fully functional searx suite< / p >
< p > From here on you have a fully functional searx suite running with bot blocker
(filtron) and Web content sanitizer (content proxy morty) needed for a
< em > privacy protecting< / em > search engine.< / p >
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< / div >
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< p > On your system, the IP of your < code class = "docutils literal notranslate" > < span class = "pre" > searx-archlinux< / span > < / code > container differs from
< a class = "reference external" href = "http://10.174.184.156/searx" > http://10.174.184.156/searx< / a > , just open the URL reported in your installation
protocol in your WEB browser from the desktop to test the instance from outside
of the container.< / p >
< p > In such a searx suite admins can maintain and access the debug log of the
different services quite easy.< / p >
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< / div >
< div class = "section" id = "in-containers-work-as-usual" >
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< span id = "working-in-containers" > < / span > < h2 > < a class = "toc-backref" href = "#id3" > In containers, work as usual< / a > < a class = "headerlink" href = "#in-containers-work-as-usual" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > Usually you open a root-bash using < code class = "docutils literal notranslate" > < span class = "pre" > sudo< / span > < span class = "pre" > -H< / span > < span class = "pre" > bash< / span > < / code > . In case of LXC containers
open the root-bash in the container using < code class = "docutils literal notranslate" > < span class = "pre" > ./utils/lxc.sh< / span > < span class = "pre" > cmd< / span >
< span class = "pre" > searx-archlinux< / span > < / code > :< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-6-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-6-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-6-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-6-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux bash
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INFO: < span class = "o" > [< / span > searx-archlinux< span class = "o" > ]< / span > bash
< span class = "o" > [< / span > root@searx-archlinux searx< span class = "o" > ]< / span > < span class = "c1" > # pwd< / span >
/share/searx
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > The prompt < code class = "docutils literal notranslate" > < span class = "pre" > [root@ searx-archlinux< / span > < span class = "pre" > ...]< / span > < / code > signals, that you are the root user in
the searx-container. To debug the running searx instance use:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-7-cm9vdEBzZWFyeC1hcmNobGludXg=" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-7-cm9vdEBzZWFyeC1hcmNobGludXg=" name = "cm9vdEBzZWFyeC1hcmNobGludXg=" role = "tab" tabindex = "0" > < a class = "reference external" href = "mailto:root%40searx-archlinux" > root< span > @ < / span > searx-archlinux< / a > < / button > < / div > < div aria-labelledby = "tab-7-cm9vdEBzZWFyeC1hcmNobGludXg=" class = "sphinx-tabs-panel group-tab" id = "panel-7-cm9vdEBzZWFyeC1hcmNobGludXg=" name = "cm9vdEBzZWFyeC1hcmNobGludXg=" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ ./utils/searx.sh inspect service
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...
use < span class = "o" > [< / span > CTRL-C< span class = "o" > ]< / span > to stop monitoring the log
...
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > Back in the browser on your desktop open the service < a class = "reference external" href = "http://10.174.184.156/searx" > http://10.174.184.156/searx< / a >
and run your application tests while the debug log is shown in the terminal from
above. You can stop monitoring using < code class = "docutils literal notranslate" > < span class = "pre" > CTRL-C< / span > < / code > , this also disables the < em > “debug
option”< / em > in searx’
debug services from filtron and morty analogous use:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-8-cm9vdEBzZWFyeC1hcmNobGludXg=" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-8-cm9vdEBzZWFyeC1hcmNobGludXg=" name = "cm9vdEBzZWFyeC1hcmNobGludXg=" role = "tab" tabindex = "0" > < a class = "reference external" href = "mailto:root%40searx-archlinux" > root< span > @ < / span > searx-archlinux< / a > < / button > < / div > < div aria-labelledby = "tab-8-cm9vdEBzZWFyeC1hcmNobGludXg=" class = "sphinx-tabs-panel group-tab" id = "panel-8-cm9vdEBzZWFyeC1hcmNobGludXg=" name = "cm9vdEBzZWFyeC1hcmNobGludXg=" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ ./utils/filtron.sh inspect service
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$ ./utils/morty.sh inspect service
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > Another point we have to notice is that each service (< a class = "reference internal" href = "../utils/searx.sh.html#searx-sh" > < span class = "std std-ref" > searx< / span > < / a > ,
< a class = "reference internal" href = "../utils/filtron.sh.html#filtron-sh" > < span class = "std std-ref" > filtron< / span > < / a > and < a class = "reference internal" href = "../utils/morty.sh.html#morty-sh" > < span class = "std std-ref" > morty< / span > < / a > ) runs under dedicated
system user account with the same name (compare < a class = "reference internal" href = "../admin/installation-searx.html#create-searx-user" > < span class = "std std-ref" > Create user< / span > < / a > ). To
get a shell from theses accounts, simply call one of the scripts:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-9-cm9vdEBzZWFyeC1hcmNobGludXg=" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-9-cm9vdEBzZWFyeC1hcmNobGludXg=" name = "cm9vdEBzZWFyeC1hcmNobGludXg=" role = "tab" tabindex = "0" > < a class = "reference external" href = "mailto:root%40searx-archlinux" > root< span > @ < / span > searx-archlinux< / a > < / button > < / div > < div aria-labelledby = "tab-9-cm9vdEBzZWFyeC1hcmNobGludXg=" class = "sphinx-tabs-panel group-tab" id = "panel-9-cm9vdEBzZWFyeC1hcmNobGludXg=" name = "cm9vdEBzZWFyeC1hcmNobGludXg=" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ ./utils/searx.sh shell
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$ ./utils/filtron.sh shell
$ ./utils/morty.sh shell
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > To get in touch, open a shell from the service user (< a class = "reference external" href = "mailto:searx%40searx-archlinux" > searx< span > @ < / span > searx-archlinux< / a > ):< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-10-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-10-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-10-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-10-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
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./utils/searx.sh shell
// < span class = "nb" > exit< / span > with < span class = "o" > [< / span > CTRL-D< span class = "o" > ]< / span >
< span class = "o" > (< / span > searx-pyenv< span class = "o" > )< / span > < span class = "o" > [< / span > searx@searx-archlinux ~< span class = "o" > ]< / span > $ ...
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > The prompt < code class = "docutils literal notranslate" > < span class = "pre" > [searx@ searx-archlinux]< / span > < / code > signals that you are logged in as system
user < code class = "docutils literal notranslate" > < span class = "pre" > searx< / span > < / code > in the < code class = "docutils literal notranslate" > < span class = "pre" > searx-archlinux< / span > < / code > container and the python < em > virtualenv< / em >
< code class = "docutils literal notranslate" > < span class = "pre" > (searx-pyenv)< / span > < / code > environment is activated.< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-11-c2VhcnhAc2VhcngtYXJjaGxpbnV4" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-11-c2VhcnhAc2VhcngtYXJjaGxpbnV4" name = "c2VhcnhAc2VhcngtYXJjaGxpbnV4" role = "tab" tabindex = "0" > < a class = "reference external" href = "mailto:searx%40searx-archlinux" > searx< span > @ < / span > searx-archlinux< / a > < / button > < / div > < div aria-labelledby = "tab-11-c2VhcnhAc2VhcngtYXJjaGxpbnV4" class = "sphinx-tabs-panel group-tab" id = "panel-11-c2VhcnhAc2VhcngtYXJjaGxpbnV4" name = "c2VhcnhAc2VhcngtYXJjaGxpbnV4" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "o" > (< / span > searx-pyenv< span class = "o" > )< / span > < span class = "o" > [< / span > searx@searx-archlinux ~< span class = "o" > ]< / span > $ < span class = "nb" > pwd< / span >
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/usr/local/searx
< / pre > < / div >
< / div >
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< / div > < / div >
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< / div >
< div class = "section" id = "wrap-production-into-developer-suite" >
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< h2 > < a class = "toc-backref" href = "#id4" > Wrap production into developer suite< / a > < a class = "headerlink" href = "#wrap-production-into-developer-suite" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > In this section we will see how to change the < em > “Fully functional searx suite”< / em >
from a LXC container (which is quite ready for production) into a developer
suite. For this, we have to keep an eye on the < a class = "reference internal" href = "../admin/installation-searx.html#installation-basic" > < span class = "std std-ref" > Step by step installation< / span > < / a > :< / p >
< ul class = "simple" >
< li > < p > searx setup in: < code class = "docutils literal notranslate" > < span class = "pre" > /etc/searx/settings.yml< / span > < / code > < / p > < / li >
< li > < p > searx user’ < code class = "docutils literal notranslate" > < span class = "pre" > /usr/local/searx< / span > < / code > < / p > < / li >
< li > < p > virtualenv in: < code class = "docutils literal notranslate" > < span class = "pre" > /usr/local/searx/searx-pyenv< / span > < / code > < / p > < / li >
< li > < p > searx software in: < code class = "docutils literal notranslate" > < span class = "pre" > /usr/local/searx/searx-src< / span > < / code > < / p > < / li >
< / ul >
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< p > The searx software is a clone of the < code class = "docutils literal notranslate" > < span class = "pre" > git_url< / span > < / code > (see < a class = "reference internal" href = "../admin/settings.html#settings-global" > < span class = "std std-ref" > Global Settings< / span > < / a > ) and
the working tree is checked out from the < code class = "docutils literal notranslate" > < span class = "pre" > git_branch< / span > < / code > . With the use of the
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< a class = "reference internal" href = "../utils/searx.sh.html#searx-sh" > < span class = "std std-ref" > utils/searx.sh< / span > < / a > the searx service was installed as < a class = "reference internal" href = "../admin/installation-uwsgi.html#searx-uwsgi" > < span class = "std std-ref" > uWSGI application< / span > < / a > . To maintain this service, we can use < code class = "docutils literal notranslate" > < span class = "pre" > systemctl< / span > < / code > (compare
< a class = "reference internal" href = "../admin/installation-uwsgi.html#uwsgi-configuration" > < span class = "std std-ref" > service architectures on distributions< / span > < / a > ).< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-12-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-12-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-12-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-12-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
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systemctl stop uwsgi@searx
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > With the command above, we stopped the searx uWSGI-App in the archlinux
container.< / p >
< p > The uWSGI-App for the archlinux dsitros is configured in
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< a class = "reference external" href = "https://github.com/searx/searx/blob/master/utils/templates/etc/uwsgi/apps-archlinux/searx.ini" > git://utils/templates/etc/uwsgi/apps-archlinux/searx.ini< / a > , from where at
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least you should attend the settings of < code class = "docutils literal notranslate" > < span class = "pre" > uid< / span > < / code > , < code class = "docutils literal notranslate" > < span class = "pre" > chdir< / span > < / code > , < code class = "docutils literal notranslate" > < span class = "pre" > env< / span > < / code > and
< code class = "docutils literal notranslate" > < span class = "pre" > http< / span > < / code > :< / p >
< div class = "highlight-none notranslate" > < div class = "highlight" > < pre > < span > < / span > env = SEARX_SETTINGS_PATH=/etc/searx/settings.yml
http = 127.0.0.1:8888
chdir = /usr/local/searx/searx-src/searx
virtualenv = /usr/local/searx/searx-pyenv
pythonpath = /usr/local/searx/searx-src
< / pre > < / div >
< / div >
< p > If you have read the < a class = "reference internal" href = "../utils/lxc.sh.html#lxc-sh" > < span class = "std std-ref" > “Good to know section”< / span > < / a > you remember, that
each container shares the root folder of the repository and the command
< code class = "docutils literal notranslate" > < span class = "pre" > utils/lxc.sh< / span > < span class = "pre" > cmd< / span > < / code > handles relative path names < strong > transparent< / strong > . To wrap the
searx installation into a developer one, we simple have to create a smylink to
the < strong > transparent< / strong > reposetory from the desktop. Now lets replace the
repository at < code class = "docutils literal notranslate" > < span class = "pre" > searx-src< / span > < / code > in the container with the working tree from outside
of the container:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-13-Y29udGFpbmVyIGJlY29tZXMgYSBkZXZlbG9wZXIgc3VpdGU=" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-13-Y29udGFpbmVyIGJlY29tZXMgYSBkZXZlbG9wZXIgc3VpdGU=" name = "Y29udGFpbmVyIGJlY29tZXMgYSBkZXZlbG9wZXIgc3VpdGU=" role = "tab" tabindex = "0" > container becomes a developer suite< / button > < / div > < div aria-labelledby = "tab-13-Y29udGFpbmVyIGJlY29tZXMgYSBkZXZlbG9wZXIgc3VpdGU=" class = "sphinx-tabs-panel group-tab" id = "panel-13-Y29udGFpbmVyIGJlY29tZXMgYSBkZXZlbG9wZXIgc3VpdGU=" name = "Y29udGFpbmVyIGJlY29tZXMgYSBkZXZlbG9wZXIgc3VpdGU=" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
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mv /usr/local/searx/searx-src /usr/local/searx/searx-src.old
$ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
ln -s /share/searx/ /usr/local/searx/searx-src
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > Now we can develop as usual in the working tree of our desktop system. Every
time the software was changed, you have to restart the searx service (in the
conatiner):< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-14-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-14-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-14-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-14-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
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systemctl restart uwsgi@searx
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > Remember: < a class = "reference internal" href = "#working-in-containers" > < span class = "std std-ref" > In containers, work as usual< / span > < / a > .. here are just some examples from my
daily usage:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-15-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-15-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-15-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-15-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < p > To < em > inspect< / em > the searx instance (already described above):< / p >
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< div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
./utils/searx.sh inspect service
< / pre > < / div >
< / div >
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< p > Run < a class = "reference internal" href = "../dev/makefile.html#makefile" > < span class = "std std-ref" > Makefile< / span > < / a > , e.g. to test inside the container:< / p >
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< div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
make < span class = "nb" > test< / span >
< / pre > < / div >
< / div >
< p > To install all prerequisites needed for a < a class = "reference internal" href = "../admin/buildhosts.html#buildhosts" > < span class = "std std-ref" > Buildhosts< / span > < / a > :< / p >
< div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
./utils/searx.sh install buildhost
< / pre > < / div >
< / div >
< p > To build the docs on a buildhost < a class = "reference internal" href = "../admin/buildhosts.html#buildhosts" > < span class = "std std-ref" > Buildhosts< / span > < / a > :< / p >
< div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh cmd searx-archlinux < span class = "se" > \< / span >
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make docs.html
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< / pre > < / div >
< / div >
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< / div > < / div >
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< / div >
< div class = "section" id = "abstract" >
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< span id = "blog-lxcdev-202006-abstract" > < / span > < h2 > < a class = "toc-backref" href = "#id5" > Abstract< / a > < a class = "headerlink" href = "#abstract" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > We build up a fully functional searx suite in a archlinux container:< / p >
< div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh install suite searx-archlinux
< / pre > < / div >
< / div >
< p > To access HTTP from the desktop we installed nginx for the services inside the
conatiner:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-16-W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-16-W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" name = "W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" role = "tab" tabindex = "0" > [< a class = "reference external" href = "mailto:root%40searx-archlinux" > root< span > @ < / span > searx-archlinux< / a > ]< / button > < / div > < div aria-labelledby = "tab-16-W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" class = "sphinx-tabs-panel group-tab" id = "panel-16-W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" name = "W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ ./utils/filtron.sh nginx install
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$ ./utils/morty.sh nginx install
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > To wrap the suite into a developer one, we created a symbolic link to the
repository which is shared < strong > transparent< / strong > from the desktop’
the container :< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-17-W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-17-W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" name = "W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" role = "tab" tabindex = "0" > [< a class = "reference external" href = "mailto:root%40searx-archlinux" > root< span > @ < / span > searx-archlinux< / a > ]< / button > < / div > < div aria-labelledby = "tab-17-W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" class = "sphinx-tabs-panel group-tab" id = "panel-17-W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" name = "W3Jvb3RAc2VhcngtYXJjaGxpbnV4XQ==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ mv /usr/local/searx/searx-src /usr/local/searx/searx-src.old
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$ ln -s /share/searx/ /usr/local/searx/searx-src
$ systemctl restart uwsgi@searx
< / pre > < / div >
< / div >
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< / div > < / div >
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< p > To get remarks from the suite of the archlinux container we can use:< / p >
< div class = "sphinx-tabs docutils container" >
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< div aria-label = "Tabbed content" class = "closeable" role = "tablist" > < button aria-controls = "panel-18-ZGVza3RvcA==" aria-selected = "true" class = "sphinx-tabs-tab group-tab" id = "tab-18-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tab" tabindex = "0" > desktop< / button > < / div > < div aria-labelledby = "tab-18-ZGVza3RvcA==" class = "sphinx-tabs-panel group-tab" id = "panel-18-ZGVza3RvcA==" name = "ZGVza3RvcA==" role = "tabpanel" tabindex = "0" > < div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > $ sudo -H ./utils/lxc.sh show suite searx-archlinux
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...
< span class = "o" > [< / span > searx-archlinux< span class = "o" > ]< / span > INFO: < span class = "o" > (< / span > eth0< span class = "o" > )< / span > filtron: http://10.174.184.156:4004/ http://10.174.184.156/searx
< span class = "o" > [< / span > searx-archlinux< span class = "o" > ]< / span > INFO: < span class = "o" > (< / span > eth0< span class = "o" > )< / span > morty: http://10.174.184.156:3000/
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< span class = "o" > [< / span > searx-archlinux< span class = "o" > ]< / span > INFO: < span class = "o" > (< / span > eth0< span class = "o" > )< / span > docs.live: http://10.174.184.156:8080/
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< span class = "o" > [< / span > searx-archlinux< span class = "o" > ]< / span > INFO: < span class = "o" > (< / span > eth0< span class = "o" > )< / span > IPv6: http://< span class = "o" > [< / span > fd42:573b:e0b3:e97e:216:3eff:fea5:9b65< span class = "o" > ]< / span >
...
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< div class = "clearer" > < / div >
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< ul >
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< li > < a href = "blog/index.html" > Blog< / a >
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< li > < a href = "https://github.com/searx/searx/wiki" > Wiki< / a >
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< li > < a href = "https://searx.space" > Public instances< / a >
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< li > Previous: < a href = "command-line-engines.html" title = "previous chapter" > Running shell commands to fetch results< / a >
< li > Next: < a href = "private-engines.html" title = "next chapter" > Limit access to your searx engines< / a > < / ul >
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© Copyright 2015-2021, Adam Tauber, Noémi Ványi.
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