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<h1 id="freebsd-jails-on-freenas">FreeBSD Jails on FreeNAS</h1>
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<p>Mostly a personal distillation for getting a FreeBSD
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Jail up and running on FreeNAS.</p>
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<h2 id="in-the-freenas-webgui-create-a-new-jail">In The FreeNAS WebGui, Create A New Jail</h2>
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<p>The default networking configuration, will give
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your jail an ip address on the lan. For now, I've
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decided to just share a pkg cache with each jail.
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Navigate to <code>Jails -> Storage -> Add Storage</code> and
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add the <code>pkg</code> storage directory to <code>/var/cache/pkg</code>
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inside the jail. </p>
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<p>For instance, on my local FreeNAS server,
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the pkg directory is at /mnt/VolumeOne/pkg/.</p>
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<p>If you ssh into the host server, you can type the command
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<code>jls</code>, to list the jails. Based on the output of the
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command <code>jls</code>, you can get a shell with <code>jexec <jail number></code>
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of <code>jexec <jail hostname></code>.</p>
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<h3 id="updating">updating</h3>
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<p>How about the command <code>pkg audit -F</code>? Downloads a
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list of known security issues and checks your system
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against that.</p>
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<p>I would recommend, to myself anyway, to shell into
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the new jail with <code>jexec</code>, run <code>pkg upgrade</code> to install any new packages,
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and then from the FreeNAS webgui, restart the jail. Although
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the restarted jail will have a new jail number as reported by
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the <code>jls</code> command.</p>
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<h3 id="locale">locale</h3>
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<p>When you use <code>jexec</code> to get a shell, you get an environment
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with an utf_8 locale. Not so if you ssh into the new jail.
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For this put the following contents into ~/.login_conf</p>
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<pre><code class="conf"># ~/.login_conf
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me:\
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:charset=UTF-8:\
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:lang=en_US.UTF-8:\
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:setenv=LC_COLLATE=C:
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</code></pre>
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<h3 id="ssh">ssh</h3>
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<p>To get ssh running, edit <code>/etc/rc.conf</code> inside the jail.</p>
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<pre><code class="conf"># /etc/rc.conf
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sshd_enable="YES"
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</code></pre>
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<p>To start sshd immediately, make any necessary edits to
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/etc/ssh/sshd_config, and run the following command.</p>
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<pre><code class="csh">service sshd start
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</code></pre>
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<h2 id="byobu">Byobu</h2>
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<p>You'll need newt to configure byobu, and if you don't install tmux
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then screen will become the backend.</p>
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<pre><code class="csh">pkg install byobu tmux newt
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</code></pre>
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<p>If you execute <code>byobu-config</code>, by pressing <em>f9</em>, the
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following options seem to work. Some options, of course,
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will prevent others from working so you have to enable them
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one at a time to see what happens.</p>
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<ul>
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<li>date</li>
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<li>disk</li>
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<li>distro</li>
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<li>hostname</li>
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<li>ip address</li>
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<li>load_average</li>
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<li>logo</li>
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<li>time</li>
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<li>uptime</li>
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<li>users</li>
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<li>whoami</li>
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</ul>
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<h2 id="vim">vim</h2>
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<p>Via pkg, there are two options: vim and vim-lite. Note vim will pull
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in a whole bunch of gui dependancies, but vim-lite is not build with python.</p>
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<p>For instance, powerline will not work with vim-lite because it's not built with
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python. Also, vim-youcompleteme will not work with vim-lite. However, lightline
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will work with vim-lite, and VimCompletesMe will work with vim-lite.</p>
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<p>To get lightline working update $TERM</p>
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<pre><code class="config"># ~/.config/fish/config.fish
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export TERM=xterm-256color
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</code></pre>
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<p>And vimrc</p>
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<pre><code class="vim"># ~/.vimrc
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set ls=2
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</code></pre>
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<p>Another option is to build vim from source via ports. You can prevent vim
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from pulling in a bunch of gui dependancies with the following in /etc/make.conf.</p>
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<pre><code class="conf"># /etc/make.conf
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WITHOUT_X11=yes
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</code></pre>
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<p>And then when you compile vim from ports, run <code>make config</code> where you can enable
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python.</p>
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<h2 id="python">python</h2>
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<p>For python3 virtualenv</p>
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<pre><code class="csh">virtualenv-3.6 <directory>
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</code></pre>
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<h2 id="running-gitit-under-the-supervision-of-supervisord">running gitit under the supervision of supervisord</h2>
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<p>py27-supervisor and hs-gitit are available as pkg install, if you want to
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run a gitit wiki.</p>
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<p>gitit doesn't come with an init service. To generate a sample config,
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run <code>gitit --print-default-config > gitit.conf</code>, and then if you want
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you can reference gitit.conf by passing gitit the <em>-f</em> flag.</p>
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<p>So for instance, after you install supervisord, add something like the
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following to the end of <code>/usr/local/etc/supervisord.conf</code>, and create
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the directory <code>/var/log/supervisor/</code>.</p>
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<pre><code class="conf">[program:gitit]
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user=<user>
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directory=/path/to/wikidata/directory/
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command=/usr/local/bin/gitit -f /usr/local/etc/gitit.conf
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stdout_logfile=/var/log/supervisor/%(program_name)s.log
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stderr_logfile=/var/log/supervisor/%(program_name)s.log
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autorestart=true
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</code></pre>
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<p>supervisord is a service you can enable in
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<code>/etc/rc.conf</code></p>
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<pre><code class="conf"># /etc/rc.conf
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supervisord_enable="YES"
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</code></pre>
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<p>and then start with <code>service supervisord start</code>
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when you get supervisord running, you can start a
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supervisorctl shell, i.e.</p>
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<pre><code class="sh">supervisorctl
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supervisor> status
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# outputs
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gitit RUNNING pid 98057, uptime 0:32:27
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supervisor> start/restart/stop gitit
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supervisor> exit
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</code></pre>
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<p>But there is one other little detail, in that when you try to
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run gitit as a daemon like this, on FreeBSD it will fail because it can't
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find git. But the symlink solution is easy enough.</p>
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<pre><code class="csh">ln -s /usr/local/bin/git /usr/bin/
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</code></pre>
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<p>And you might as well stick a reverse proxy in front of it. Assuming
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you configure gitit listen only on localhost:5001, install nginx.
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<code>pkg install nginx</code></p>
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<p>enable nginx in /etc/rc.conf</p>
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<pre><code class="conf">nginx_enable="YES"
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</code></pre>
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<p>Then, in the file <code>/usr/local/etc/nginx/nginx.conf</code> change the location "<em>/</em>"
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so that it looks like this.</p>
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<pre><code class="nginx">{
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.....
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location / {
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# root /usr/local/www/nginx;
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# index index.html index.htm;
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proxy_pass http://127.0.0.1:5001;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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}
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....
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}
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</code></pre>
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<p>and then start nginx <code>service nginx start</code></p>
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