Running a nested X-Windows server

Why? It’s sometimes desired to run an X-Windows program in a separate “screen” but not actually have another screen. The expensive way is to bring up a whole virtual server. But if it’s fine to run the program on the same computer, all we want is to have a window, in which the program is [...]

A ghost process eating up all RAM?

After a “find” operation spanning the entire disk, I suddenly had System Monitor (2.28.0 of Fedora 12) telling me that 11.5 GB out of the existing 16 GB were used up, and the applet said 75% was “in use by programs”. Really. Virtually nothing was running on the system. Just to be sure, I tried [...]

Gnome 2 failing to load an Applet for no apparent reason

Fedora 12: It started with some error message about something crashing, and the Workspace Switcher applet was gone. I tried re-adding it to the panel, but I got an error window saying that the panel encountered a problem while loading “OAFIID:GNOME_WorkspaceSwitcherApplet”. And offered me to delete it from the panel. Or not delete it. Nothing [...]

Linux kernel version magic: Adding the missing plus suffix

Trying to insmod a kernel module, which was just compiled against the true headers of the running kernel, I got: # insmod mymodule.ko insmod: error inserting ‘mymodule.ko’: -1 Invalid module format And this in /var/log/syslog: mymodule: version magic ’3.3.0-xxx SMP preempt mod_unload ARMv7 ‘ should be ’3.3.0-xxx+ SMP preempt mod_unload ARMv7 ‘ Really? Are you [...]