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site/blog/2020/03/16/appgate-sdp-on-arch-linux/index.html
2024-01-02 20:10:57 +00:00

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<!doctype html><html lang=en data-theme=dark><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><link rel=preload as=font type=font/woff2 href=/fonts/roboto-slab-latin-400.woff2 crossorigin=anonymous><link rel=preload as=font type=font/woff2 href=/fonts/roboto-slab-latin-700.woff2 crossorigin=anonymous><link rel=preload as=font type=font/woff2 href=/fonts/fira-code-latin-300.woff2 crossorigin=anonymous><link rel=preload as=font type=font/woff2 href=/fonts/fira-code-latin-400.woff2 crossorigin=anonymous><link rel=preload as=font type=font/woff2 href=/fonts/fira-code-latin-700.woff2 crossorigin=anonymous><meta name=robots content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1"><title>AppGate SDP on Arch Linux</title>
<meta name=description content="AppGate SDP provides a Zero Trust network. This post describes how to get AppGate SDP 4.3.2 working on Arch Linux.
"><link rel=canonical href=/blog/2020/03/16/appgate-sdp-on-arch-linux/><meta name=twitter:card content="summary"><meta name=twitter:title content="AppGate SDP on Arch Linux"><meta name=twitter:description content="AppGate SDP provides a Zero Trust network. This post describes how to get AppGate SDP 4.3.2 working on Arch Linux."><meta property="og:title" content="AppGate SDP on Arch Linux"><meta property="og:description" content="AppGate SDP provides a Zero Trust network. This post describes how to get AppGate SDP 4.3.2 working on Arch Linux."><meta property="og:type" content="article"><meta property="og:url" content="/blog/2020/03/16/appgate-sdp-on-arch-linux/"><meta property="article:section" content="post"><meta property="article:published_time" content="2020-03-16T22:00:15-04:00"><meta property="article:modified_time" content="2024-01-01T23:33:36-05:00"><meta itemprop=name content="AppGate SDP on Arch Linux"><meta itemprop=description content="AppGate SDP provides a Zero Trust network. This post describes how to get AppGate SDP 4.3.2 working on Arch Linux."><meta itemprop=datePublished content="2020-03-16T22:00:15-04:00"><meta itemprop=dateModified content="2024-01-01T23:33:36-05:00"><meta itemprop=wordCount content="525"><meta itemprop=keywords content="linux,vpn,python,"><style>/*
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@media (min-width: 768px) {
.search {
position: relative;
}
#search__suggestions {
width: 60vw;
}
}
.search__suggestions--hidden {
display: none;
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border-bottom: 1px dashed var(--bg2);
display: grid;
grid-template-columns: 1fr 2fr;
}
.search__suggestion-item:focus,
.search__suggestion-item:focus-visible,
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.search__suggestion-title,
.search__suggestion-description {
padding: 0 1rem;
margin: 1rem 0;
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.search__suggestion-title {
font-weight: 700;
}
.search__suggestion-description {
border-left: 1px solid var(--bg2);
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.search__no-results {
padding: 0.75rem;
}
/*! purgecss end ignore */
.theme__toggle {
align-items: center;
background: none;
border: none;
color: var(--yellow1);
cursor: pointer;
display: flex;
grid-area: theme-toggle;
margin: 0 1rem;
}
.theme__toggle:hover {
color: var(--yellow2);
}
.theme__toggle svg {
height: 28px;
width: 28px;
}
/* TODO: simplify deep nesting */
nav#menu {
align-items: center;
display: flex;
grid-area: nav;
justify-content: flex-end;
}
nav#menu .menu__item {
color: var(--fg);
}
nav#menu .menu__item:hover {
color: var(--fg3);
cursor: pointer;
}
nav#menu ul {
list-style: none;
margin: 0;
padding: 0;
}
nav#menu ul.menu--horizontal {
align-items: center;
display: none;
}
nav#menu ul.menu--horizontal li {
display: inline-block;
margin: 0 0.75rem;
}
@media (min-width: 768px) {
nav#menu ul.menu--horizontal {
display: flex;
}
}
nav#menu ul.menu--vertical {
background: var(--fg0);
bottom: 0;
margin: 0;
padding: 3rem;
position: fixed;
right: 0;
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width: 50%;
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color: var(--bg4);
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height: 24px;
width: 24px;
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position: absolute;
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z-index: 20;
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margin: 1.5rem auto;
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.jr-basics__image {
border-radius: 50%;
height: 250px;
justify-content: center;
overflow: hidden;
width: 250px;
}
.jr-basics__name,
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margin-top: 0.75rem;
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height: 24px;
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display: flex;
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display: flex;
padding: 0.2rem;
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.jr-basics__profile--col {
flex-direction: column;
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flex-wrap: wrap;
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.jr-basics__profile-icon {
padding: 0 0.75rem;
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font-family: var(--font-monospace);
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.jr__item-meta {
align-items: start;
flex-flow: column;
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align-items: center;
flex-flow: row wrap;
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flex-grow: 1;
text-align: right;
}
.jr-awards__awarder,
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flex-basis: 100%;
}
}
.social-share {
align-items: center;
border-top: 2px dotted var(--bg1);
display: flex;
flex-wrap: wrap;
gap: 0.9rem;
margin: 3rem 0;
padding-top: 3rem;
}
.social-share svg {
fill: var(--fg);
width: 24px;
height: 24px;
}
.social-share svg.icon-tabler {
fill: none;
stroke: var(--fg);
}
.social-share__item {
background: var(--bg1);
padding: 0.5rem;
display: flex;
}
/* Sticky social bar left
@media (--xl) {
.social-share {
align-items: flex-start;
border-top: none;
flex-direction: column;
position: fixed;
top: 15%;
left: 0;
}
.social-share__heading {
display: none;
}
.social-share__item {
transition: padding 0.2s ease-in;
&:hover {
padding: 0.5rem 1rem;
}
& svg {
&:hover {
fill: var(--fg);
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&.icon-tabler {
fill: none;
&:hover {
stroke: var(--fg);
}
}
}
}
}
*/
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<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-sun" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentcolor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M12 12m-4 0a4 4 0 108 0 4 4 0 10-8 0"/><path d="M3 12h1m8-9v1m8 8h1m-9 8v1M5.6 5.6l.7.7m12.1-.7-.7.7m0 11.4.7.7m-12.1-.7-.7.7"/></svg></button>
<button class="theme__toggle dark--hidden" aria-label="Toggle dark mode"><svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-moon" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentcolor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M12 3c.132.0.263.0.393.0a7.5 7.5.0 007.92 12.446A9 9 0 1112 2.992z"/></svg></button></header><main><div class=content><article class=post><div class=post-header><h1>AppGate SDP on Arch Linux</h1><div class=post-meta><span>2020-03-16</span><span> by </span><span class=post-meta__author>Dave Gallant</span><span> (updated: 2024-01-01)</span><div class=post-tags><a class=post-tag href=/tags/linux>linux</a><a class=post-tag href=/tags/vpn>vpn</a><a class=post-tag href=/tags/python>python</a></div></div></div><div class=post-content><p>AppGate SDP provides a Zero Trust network. This post describes how to get AppGate SDP <code>4.3.2</code> working on Arch Linux.</p><p>Depending on the AppGate SDP Server that is running, you may require a client that is more recent than the latest package on <a href=https://aur.archlinux.org/packages/appgate-sdp/ class=link--external target=_blank rel=noreferrer>AUR</a>.
As of right now, the latest AUR is <code>4.2.2-1</code>.</p><p>These steps highlight how to get it working with <code>Python3.8</code> by making a 1 line modification to AppGate source code.</p><h1 id=packaging>Packaging<a href=#packaging class=post-heading__anchor aria-hidden=true>#</a></h1><p>We already know the community package is currently out of date, so let&rsquo;s clone it:</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>git clone https://aur.archlinux.org/appgate-sdp.git
</span></span><span style=display:flex><span>cd appgate-sdp
</span></span></code></pre></div><p>You&rsquo;ll likely notice that the version is not what we want, so let&rsquo;s modify the <code>PKGBUILD</code> to the following:</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span><span style=color:#75715e># Maintainer: Pawel Mosakowski &lt;pawel at mosakowski dot net&gt;</span>
</span></span><span style=display:flex><span>pkgname<span style=color:#f92672>=</span>appgate-sdp
</span></span><span style=display:flex><span>conflicts<span style=color:#f92672>=(</span><span style=color:#e6db74>&#39;appgate-sdp-headless&#39;</span><span style=color:#f92672>)</span>
</span></span><span style=display:flex><span>pkgver<span style=color:#f92672>=</span>4.3.2
</span></span><span style=display:flex><span>_download_pkgver<span style=color:#f92672>=</span>4.3
</span></span><span style=display:flex><span>pkgrel<span style=color:#f92672>=</span><span style=color:#ae81ff>1</span>
</span></span><span style=display:flex><span>epoch<span style=color:#f92672>=</span>
</span></span><span style=display:flex><span>pkgdesc<span style=color:#f92672>=</span><span style=color:#e6db74>&#34;Software Defined Perimeter - GUI client&#34;</span>
</span></span><span style=display:flex><span>arch<span style=color:#f92672>=(</span><span style=color:#e6db74>&#39;x86_64&#39;</span><span style=color:#f92672>)</span>
</span></span><span style=display:flex><span>url<span style=color:#f92672>=</span><span style=color:#e6db74>&#34;https://www.cyxtera.com/essential-defense/appgate-sdp/support&#34;</span>
</span></span><span style=display:flex><span>license<span style=color:#f92672>=(</span><span style=color:#e6db74>&#39;custom&#39;</span><span style=color:#f92672>)</span>
</span></span><span style=display:flex><span><span style=color:#75715e># dependecies calculated by namcap</span>
</span></span><span style=display:flex><span>depends<span style=color:#f92672>=(</span><span style=color:#e6db74>&#39;gconf&#39;</span> <span style=color:#e6db74>&#39;libsecret&#39;</span> <span style=color:#e6db74>&#39;gtk3&#39;</span> <span style=color:#e6db74>&#39;python&#39;</span> <span style=color:#e6db74>&#39;nss&#39;</span> <span style=color:#e6db74>&#39;libxss&#39;</span> <span style=color:#e6db74>&#39;nodejs&#39;</span> <span style=color:#e6db74>&#39;dnsmasq&#39;</span><span style=color:#f92672>)</span>
</span></span><span style=display:flex><span>source<span style=color:#f92672>=(</span><span style=color:#e6db74>&#34;https://sdpdownloads.cyxtera.com/AppGate-SDP-</span><span style=color:#e6db74>${</span>_download_pkgver<span style=color:#e6db74>}</span><span style=color:#e6db74>/clients/</span><span style=color:#e6db74>${</span>pkgname<span style=color:#e6db74>}</span><span style=color:#e6db74>_</span><span style=color:#e6db74>${</span>pkgver<span style=color:#e6db74>}</span><span style=color:#e6db74>_amd64.deb&#34;</span>
</span></span><span style=display:flex><span> <span style=color:#e6db74>&#34;appgatedriver.service&#34;</span><span style=color:#f92672>)</span>
</span></span><span style=display:flex><span>options<span style=color:#f92672>=(</span>staticlibs<span style=color:#f92672>)</span>
</span></span><span style=display:flex><span>prepare<span style=color:#f92672>()</span> <span style=color:#f92672>{</span>
</span></span><span style=display:flex><span> tar -xf data.tar.xz
</span></span><span style=display:flex><span><span style=color:#f92672>}</span>
</span></span><span style=display:flex><span>package<span style=color:#f92672>()</span> <span style=color:#f92672>{</span>
</span></span><span style=display:flex><span> cp -dpr <span style=color:#e6db74>&#34;</span><span style=color:#e6db74>${</span>srcdir<span style=color:#e6db74>}</span><span style=color:#e6db74>&#34;</span>/<span style=color:#f92672>{</span>etc,lib,opt,usr<span style=color:#f92672>}</span> <span style=color:#e6db74>&#34;</span><span style=color:#e6db74>${</span>pkgdir<span style=color:#e6db74>}</span><span style=color:#e6db74>&#34;</span>
</span></span><span style=display:flex><span> mv -v <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/lib/systemd/system&#34;</span> <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/lib/systemd/&#34;</span>
</span></span><span style=display:flex><span> rm -vrf <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/lib&#34;</span>
</span></span><span style=display:flex><span> cp -v <span style=color:#e6db74>&#34;</span>$srcdir<span style=color:#e6db74>/appgatedriver.service&#34;</span> <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/lib/systemd/system/appgatedriver.service&#34;</span>
</span></span><span style=display:flex><span> mkdir -vp <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/share/licenses/appgate-sdp&#34;</span>
</span></span><span style=display:flex><span> cp -v <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/share/doc/appgate/copyright&#34;</span> <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/share/licenses/appgate-sdp&#34;</span>
</span></span><span style=display:flex><span> cp -v <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/share/doc/appgate/LICENSE.github&#34;</span> <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/share/licenses/appgate-sdp&#34;</span>
</span></span><span style=display:flex><span> cp -v <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/share/doc/appgate/LICENSES.chromium.html.bz2&#34;</span> <span style=color:#e6db74>&#34;</span>$pkgdir<span style=color:#e6db74>/usr/share/licenses/appgate-sdp&#34;</span>
</span></span><span style=display:flex><span><span style=color:#f92672>}</span>
</span></span><span style=display:flex><span>md5sums<span style=color:#f92672>=(</span><span style=color:#e6db74>&#39;17101aac7623c06d5fbb95f50cf3dbdc&#39;</span>
</span></span><span style=display:flex><span> <span style=color:#e6db74>&#39;002644116e20b2d79fdb36b7677ab4cf&#39;</span><span style=color:#f92672>)</span>
</span></span></code></pre></div><p>Let&rsquo;s first make sure we have some dependencies. If you do not have <a href=https://github.com/Jguer/yay class=link--external target=_blank rel=noreferrer>yay</a>, check it out.</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>yay -S dnsmasq gconf
</span></span></code></pre></div><p>Now, let&rsquo;s install it:</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>makepkg -si
</span></span></code></pre></div><h1 id=running-the-client>Running the client<a href=#running-the-client class=post-heading__anchor aria-hidden=true>#</a></h1><p>Ok, let&rsquo;s run the client by executing <code>appgate</code>.</p><p>It complains about not being able to connect.</p><p>Easy fix:</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>sudo systemctl start appgatedriver.service
</span></span></code></pre></div><p>Now we should be connected&mldr; but DNS is not working?</p><h1 id=fixing-the-dns>Fixing the DNS<a href=#fixing-the-dns class=post-heading__anchor aria-hidden=true>#</a></h1><p>Running <code>resolvectl</code> should display that something is not right.</p><p>Why is the DNS not being set by appgate?</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>$ head -3 /opt/appgate/linux/set_dns
</span></span><span style=display:flex><span><span style=color:#75715e>#!/usr/bin/env python3</span>
</span></span><span style=display:flex><span><span style=color:#e6db74>&#39;&#39;</span><span style=color:#960050;background-color:#1e0010>&#39;</span>
</span></span><span style=display:flex><span>This is used to set and unset the DNS.
</span></span></code></pre></div><p>It seems like python3 is required for the DNS setting to happen.
Let&rsquo;s try to run it.</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>$ sudo /opt/appgate/linux/set_dns
</span></span><span style=display:flex><span>/opt/appgate/linux/set_dns:88: SyntaxWarning: <span style=color:#e6db74>&#34;is&#34;</span> with a literal. Did you mean <span style=color:#e6db74>&#34;==&#34;</span>?
</span></span><span style=display:flex><span> servers <span style=color:#f92672>=</span> <span style=color:#f92672>[(</span> socket.AF_INET <span style=color:#66d9ef>if</span> x.version is <span style=color:#ae81ff>4</span> <span style=color:#66d9ef>else</span> socket.AF_INET6, map<span style=color:#f92672>(</span>int, x.packed<span style=color:#f92672>))</span> <span style=color:#66d9ef>for</span> x in servers<span style=color:#f92672>]</span>
</span></span><span style=display:flex><span>Traceback <span style=color:#f92672>(</span>most recent call last<span style=color:#f92672>)</span>:
</span></span><span style=display:flex><span> File <span style=color:#e6db74>&#34;/opt/appgate/linux/set_dns&#34;</span>, line 30, in &lt;module&gt;
</span></span><span style=display:flex><span> import dbus
</span></span><span style=display:flex><span>ModuleNotFoundError: No module named <span style=color:#e6db74>&#39;dbus&#39;</span>
</span></span></code></pre></div><p>Ok, let&rsquo;s install it:</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>$ sudo python3.8 -m pip install dbus-python
</span></span></code></pre></div><p>Will it work now? Not yet. There&rsquo;s another issue:</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>$ sudo /opt/appgate/linux/set_dns
</span></span><span style=display:flex><span>/opt/appgate/linux/set_dns:88: SyntaxWarning: <span style=color:#e6db74>&#34;is&#34;</span> with a literal. Did you mean <span style=color:#e6db74>&#34;==&#34;</span>?
</span></span><span style=display:flex><span> servers <span style=color:#f92672>=</span> <span style=color:#f92672>[(</span> socket.AF_INET <span style=color:#66d9ef>if</span> x.version is <span style=color:#ae81ff>4</span> <span style=color:#66d9ef>else</span> socket.AF_INET6, map<span style=color:#f92672>(</span>int, x.packed<span style=color:#f92672>))</span> <span style=color:#66d9ef>for</span> x in servers<span style=color:#f92672>]</span>
</span></span><span style=display:flex><span>module <span style=color:#e6db74>&#39;platform&#39;</span> has no attribute <span style=color:#e6db74>&#39;linux_distribution&#39;</span>
</span></span></code></pre></div><p>This is a breaking change in Python3.8.</p><p>So what is calling <code>platform.linux_distribution</code>?</p><p>Let&rsquo;s search for it:</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-shell data-lang=shell><span style=display:flex><span>$ sudo grep -r <span style=color:#e6db74>&#39;linux_distribution&#39;</span> /opt/appgate/linux/
</span></span><span style=display:flex><span>/opt/appgate/linux/nm.py: <span style=color:#66d9ef>if</span> platform.linux_distribution<span style=color:#f92672>()[</span>0<span style=color:#f92672>]</span> !<span style=color:#f92672>=</span> <span style=color:#e6db74>&#39;Fedora&#39;</span>:
</span></span></code></pre></div><p>Aha! So this is in the local AppGate source code. This should be an easy fix. Let&rsquo;s just replace this line with:</p><div class=highlight><pre tabindex=0 style=color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-python data-lang=python><span style=display:flex><span><span style=color:#66d9ef>if</span> <span style=color:#66d9ef>True</span>: <span style=color:#75715e># Since we are not using Fedora :)</span>
</span></span></code></pre></div><h1 id=wrapping-up>Wrapping up<a href=#wrapping-up class=post-heading__anchor aria-hidden=true>#</a></h1><p>It turns out there are <a href=https://docs.python.org/3.7/library/platform.html#platform.linux_distribution class=link--external target=_blank rel=noreferrer>breaking changes</a> in Python3.8.</p><p>The docs say <code>Deprecated since version 3.5, will be removed in version 3.8: See alternative like the distro package.</code></p><p>I suppose this highlights one of the caveats of relying upon the system&rsquo;s python, rather than having an isolated, dedicated environment for all dependencies.</p></div><script type=text/javascript src=https://storage.ko-fi.com/cdn/widget/Widget_2.js></script><script type=text/javascript>kofiwidget2.init("Buy me a coffee","#458588","F1F2S4LWI"),kofiwidget2.draw()</script><section id=comments class=comments><div class='container sep-before'><div class=comments><script>var 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