Does anyone use fstrim on an XFS formatted SSD partition?
I’ve got two systems with XFS root partitions that fstrim seems to do (almost) nothing on, but it seems to work correctly on another system with formatted with ext4.
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Jan 072012
This has been a minor annoyance for the last few months, and I've finally figured out how to fix it:
Sometime within the last few months, an upgrade prevented Chromium from finding its application icon…with the result that when minimised (or displayed in the panel window list or Alt-Tab) it used the default application icon.
It looks to me as if the problem is that Chromium is now looking for chromium-browser.svg but chromium.svg is what's on my debian system.
To restore, all you need to do is:
$ mkdir -p ~/.local/share/icons/hicolor/scalable/apps $ cd ~/.local/share/icons/hicolor/scalable/apps $ ln -s /usr/share/icons/hicolor/scalable/apps/chromium.svg chromium-browser.svg
great, done. Now my chromium windows don't look the same as my mrxvt windows in Alt-Tab, they're quite clearly Chromium windows. The icon now looks like this: 
rather than an icon i'd insert here if i knew what its filename is – it looks like a white window with a blue title bar and a thinner blue bar at the bottom (about half the height/thickness of the "title bar") I've spent half an hour searching for it and have given up – anyone know what it is?
alternatively, use cp rather than ln – just in case some future upgrade removes or renames the chromium.svg file
How to set gnome-fallback as the default session for gnome3 & gdm3.
The easiest way to do it in debian is to use update-alternatives to "install" a new alternative x-session-manager.