Refactored syntax highlighting shortcodes into markdown

content/blog/debian/error-during-signature-verification.md

@@ -9,9 +9,9 @@ tags:
 ## How to fix
 
 Here is how to fix the apt-get “Error occured during the signature verification” :
-{{< highlight sh >}}
+```sh
 cd /var/lib/apt
 mv lists lists.old
 mkdir -p lists/partial
 aptitude update
-{{< /highlight >}}
+```

content/blog/debian/force-package-removal.md

@@ -9,8 +9,8 @@ tags:
 ## How to force the removal of a package
 
 Here is how to force package removal when post-uninstall script fails :
-{{< highlight sh >}}
+```sh
 dpkg --purge --force-all <package>
-{{< /highlight >}}
+```
 
 There is another option if you need to be smarter or if it is a pre-uninstall script that fails. Look at `/var/lib/dpkg/info/<package>.*inst`, locate the line that fails, comment it out and try to purge again. Repeat until success!

content/blog/debian/no-public-key-error.md

@@ -9,6 +9,6 @@ tags:
 ## How to fix
 
 Here is how to fix the no public key available error :
-{{< highlight sh >}}
+```sh
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys KEYID
-{{< /highlight >}}
+```