Minor markdown fixes

_source/_posts/2014-11-22-debian-jessie-on-dell-precision-m4800.markdown

@@ -48,8 +48,9 @@ Support for smart-card reader
 Network
 -------
 
-Disable [IPv6 Privacy Extensions](https://home.regit.org/2011/04/ipv6-privacy/)
-```plain /etc/sysctl.conf
+Disable [IPv6 Privacy Extensions](https://home.regit.org/2011/04/ipv6-privacy/) in `/etc/sysctl.conf`:
+
+```plain
 # Disable IPv6 "Privacy extensions" (random SLAAC addresses)
 net.ipv6.conf.all.use_tempaddr=0
 net.ipv6.conf.default.use_tempaddr=0 

_source/_posts/2015-02-18-upgrading-to-freebsd-10-1-release.markdown

@@ -34,7 +34,7 @@ New Xorg
 As of Apr. 16, 2014, the X server has been upgraded to a new
 release. From https://wiki.freebsd.org/Graphics/WITH_NEW_XORG:
 
-```plain linenos:false
+```plain
 Note that there's a know regression with syscons and kernel video
 drivers: you can't switch back to a console once an X.Org session is
 started. A new console driver called vt(4) fixes this issue while
@@ -58,9 +58,11 @@ Both GDM and the GNOME desktop now require DRI access. At least
 for ATI video cards, this means that user `gdm`, as well as anyone
 logging in to a GNOME session, must have access to `/dev/dri/card0`:
 
-``` plain /etc/devfs.rules linenos:false
+{% figure caption:"`/etc/devfs.rules`" %}
+``` plain
 add path 'dri/card0 mode 0666
 ```
+{% endfigure %}
 
 GDM
 ---
@@ -80,7 +82,8 @@ would always revert to US layout, no matter what. Initially I thought
 the X server had an incorrect keymap due to HAL device enumeration,
 so I added the following to my setup:
 
-```xml /usr/local/share/hal/fdi/policy/99local/10-x11-keymap.fdi
+{% figure caption:"`/usr/local/share/hal/fdi/policy/99local/10-x11-keymap.fdi`" %}
+```xml
 <?xml version="1.0" encoding="ISO-8859-1"?>
 
 <deviceinfo version="0.2">
@@ -102,12 +105,12 @@ so I added the following to my setup:
 	Option	"XkbOptions"	"compose:rctrl" 
   -->
 ```
+{% endfigure %}
 
 However this happened to be a total red herring, as by default the
 port configures Xorg to use devd, not HAL. For devd, I
 [found out](http://olivier.cochard.me/bidouillage/installation-et-configuration-de-freebsd-comme-poste-de-travail#TOC-Configuration-de-la-langue-du-clavier-sans-HAL)
-this is achieved
-using xorg.conf options:
+this is achieved using `xorg.conf` options:
 
 ```
 Section "InputClass"