Commands by javier (0)

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remove newlines from specific lines in a file using sed

Show running services (using systemctl)

Run a command as root, with a delay
$ sleep 1h ; sudo command or $ sudo sleep 1h ; sudo command won't work, because by the time the delay is up, sudo will want your password again.

Alternative for basename using grep to extract file name
Here's a bash version.

list all file extensions in a directory
Works on current directory, with built-in sorting.

check open ports without netstat or lsof

Recursively create a TAGS file for an entire source tree. TAGS files are useful for editors like Vim and Emacs

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"

Eliminate dead symlinks interactively in /usr/ recursevely
Its not mine... I get from textlive migration in gentoo : http://www.gentoo.org/proj/en/tex/texlive-migration-guide.xml

Update program providing java on Debian
Lets you set all the java alternatives at once to a matching version. Also has options for just changing the jre or the plugin.

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