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... arcane linux knowledge collected over the eons, bit by bit ...
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Symptom:
– Your default File Manager is e.g. Thunar but Firefox uses Nautilus when saving files which is driving you bananas.
Solution (for XFCE):
1. Firstly make sure that your default Applilcation for that particular mime type (in this case it is the ‘inode/directory’ mime type) is actually setup properly. Open the “Preferred […]
This issue looks very much like a bug to me:
You start a brand new Linux installation You select wired Internet connection during install Your brand new Linux has no wireless connectivity (not even the drivers!) upon first boot.
This is what I did to fix it (on my Toshiba satellite with Fedora 24 and […]
Summary:
To find the PID of a running UNIX/XWindow process:
$ xprop _NET_WM_PID
If that fails:
$ ps -ww -fp <PID>
$ pwdx <PID>
Detailed explanation:
So How can you find the PID (not Window ID!) of a running UNIX/XWindow process?
Method 1 (simple):
$ xprop […]
Many of the major Linux distributions come bundled with OpenJDK Java instead of the “standard” Sun Java or — since Sun Microsystems acquisition by Oracle in 2010 — Oracle Java. One such distro is Fedora, for example.
Open JDK is ok in most cases but there are situations where you need to install the “real” […]
Some versions of VLC have this problem: once you enable visualisations it can not be disabled. Yes, there is a radion button in the menu in Audio –> Visualisations which can be set to “Disable” but to no effect – on next start of VLC it displays the visualizations plug-in screen again. Even if you’re […]
How can you remove a mounted USB stick or USB HDD from the list of mounted devices?
PROBLEM
We have all done it – in a hurry you unplug a USB drive which was mounted in your Linux system without properly unmounting it and then it sits there in your list of mounts and you […]
Use imagemagick – this is exactly what it was designed for! 🙂
For example:
– to resize all .jpeg files in the current directory to be 320 pixels wide, preserving the aspect ration, do this:
 $ convert ‘*.jpeg[320x]’ resized%03d.jpeg
– to shrink all .jpg files in the current directory […]
