Linux df says disk is full, du does not add up
karloThere might be files which you deleted but but are still on disk. This happens if a process still has the file open. You can check for open files by…
LVM lv logical volumes not in mapper (or in /dev)
vgdisplay (are they there?) vgscan --mknodes -v vgchange -a y
Reboot failing in RHEL/centos: Failed to talk to init daemon.
Use reboot -f # reboot Failed to start reboot.target: Activation of org.freedesktop.systemd1 timed out Failed to open /dev/initctl: No such device or address Failed to talk to init daemon. #…
Bash compound commands (()){{}}{}[[]]
Compound Commands A compound command is one of the following. In most cases a list in a command's description may be separated from the rest of the command by one…
Bash inline number increase (( ++i ))
i=0 (( ++i )) echo $i Will give 1