How can get a list of all scheduled cron jobs on my machine?
My sysadmin has set up a bunch of cron jobs on my machine. I’d like to know exactly what is scheduled for what time. How can I get that list?
Unix & Linux
Is it possible to rename a Unix user account?
I installed Ubuntu on a computer that is now used by somebody else. I renamed the account with her name, but it only changes the fullname, not the user name, which is still displayed in the top right (in the fast-user-switch-applet). Is there a command to rename an Unix user account?
What’s the fastest way to generate a 1 GB text file containing random digits?
I tried a bash script, but it took too long to create a simple 1 MB file. I think the answer lies in using /dev/random or /dev/urandom, but other posts here only show how to add all kinds of data to a file using these things, but I want to add only numbers.
Swap alt and super
I have a Macbook Air that runs Linux. I want to swap the alt and super keys in both sides of the keyboard with each other.
How to install Adobe Acrobat Reader in Debian?
I’ve got deb http://debian-multimedia.org squeeze main in “/etc/apt/sources.list“, but wajig update && wajig install acroread results in:
How to use command line to change volume?
I am trying to control the volume using my programming script. How can I do the following in Fedora 15, Ubuntu linux?
Find any lines exceeding a certain length
Is it possible to find any lines in a file that exceed 79 characters?
Storing shell scripts
Turn on executable mode for your script:
How do I remove a user from a group?
Which command should I use to remove a user from a group in Debian?
How to find all hard links to a given file?
-samefile name
File refers to the same inode as name. When -L is in effect, this can include symbolic links.