Commands by sara (0)

  • bash: commands not found

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List dot-files and dirs, but not . or ..

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Job Control
You're running a script, command, whatever.. You don't expect it to take long, now 5pm has rolled around and you're ready to go home... Wait, it's still running... You forgot to nohup it before running it... Suspend it, send it to the background, then disown it... The ouput wont go anywhere, but at least the command will still run...

extract element of xml

Find the package that installed a command

Read aloud a text file in Ubuntu (and other Unixes with espeak installed

mkdir & cd into it as single command
The biggest advantage of this over the functions is that it is portable.

switch case of a text file

List only executables installed by a debian package
Safe for whitespaces in names.

Parallel file downloading with wget
xargs can be used in this manner to download multiple files at a time, and xargs will in this case run 10 processes at a time and initiate a new one when the number running falls below 10.


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