Delete the last character of a string using string manipulation in shell script
I would like to delete the last character of a string, I tried this little script :
Unix & Linux
How to asynchronously launch external program from cli and discard its output?
I’m writing a simple desktop initiation script which waits for disk idle, and then launches next external program (like Firefox, Skype or conky) using &, like:
How can I unmount cgroup version 1?
How can I remove cgroup version 1 mount points such that I only cgroup version 2 in my /sys/fs/?
Corruption-proof SD card filesystem for embedded Linux?
Recently we had a rather unpleasant situation with our customer – Raspberry Pi based “kiosk” used to display remote sensing data (nothing more fancy than a kiosk mode browser displaying a self-updating webpage from the data-collection server) failed to boot due to filesystem corruption. Ext4, Manual fsck required, the system will be a part of tomorrow’s important presentation, service required immediately. Of course we can’t require the customer to shut down the system nicely when switching it off for the night; the system must simply withstand such mistreatment.
Ctrl-s hangs the terminal emulator?
I came across a sentence in vimdoc:
Avoid running the script if a variable is not defined
I have a script looks like:
Bash – how to make explicit operator precedence without creating a subshell
I’m sure this is posted somewhere, but I haven’t been able to find it.
Sorting down processes by memory usage
I am able to see the list of all the processes and the memory via
How to recover a shell after a disconnection
Am doing some work on a remote CentOS 5.6 machine and my network keeps dropping.
Is there a way that I can recover my hung sessions after I reconnect?
Is it possible to specify a path in which a directory name is variable?
Asking this question on mpv player and dvds, I stumbled into a more generic question: is it generally possible to specify a path in which one of the directory names is variable?