How can I play a sound when script execution is ready?
I am executing every now and then some python scripts which take quite long to execute.
Unix & Linux
Why does reboot and poweroff require root privileges?
What security risk is posed by not requiring this to have root privileges? The GUI provides a way for any user to shut off or restart, so why do the terminal commands need to be run as root?
How do I substitute only first occurence with sed?
Original file
How to execute a script in shell when a shortcut key is pressed
How could I execute a script in Shell when a shortcut key is pressed.
Passing binary data to curl without using a @file
Is it possible to use curl and post binary data without passing in a file name? For example, you can post a form using binary via –data-binary:
How does the “1 month ago” option in date command work?
I’m not sure if this gets the past date within the current day or if it only takes 30 or 31 days to it.
Back up and restore file permissions
Is there a way to back up and restore file ownership and permissions (the things that can be changed with chown and chmod)?
Cannot update APT list: “repository no longer has a Release file”
I cannot run apt-get update as I encounter the following error:
Is there a JavaScript shell?
Recently I’ve been working with JS and I’m very enthusiastic about this language. I know that there is node.js for running JS at server side, but is there a shell that uses JS as a scripting language? If such thing exists, how usable & stable is it?
convert CSV to XLS file on linux
The following Perl script can convert CSV file to XLS file