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Disable sending of start/stop characters
This command disable sending of start/stop characters. It's useful when you want to use incremental reverse history search forward shortcut (Ctrl+s). To enable again, type: $ stty -ixoff

Install a local RPM package from your desktop, then use the YUM repository to resolve its dependencies.
When downloading RPMs from the Internet, you don't have to 'rpm -i' or 'rpm -U' to install the package. Especially, if the package has dependencies. If you have YUM setup to access an RPM repository, this command will install the downloaded package, then any dependencies through YUM that it relies on. Very handy on RPM-based systems.

check open ports without netstat or lsof

live ssh network throughput test
connects to host via ssh and displays the live transfer speed, directing all transferred data to /dev/null needs pv installed Debian: 'apt-get install pv' Fedora: 'yum install pv' (may need the 'extras' repository enabled)

create pdf files from text files or stdout.

Remove stored .zip archive passwords from Windows credential manager
Don't want to log out but you do want to get rid of a stored .zip file password in Windows? This will do that.

Find the package that installed a command

whois filtering the important information

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

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"


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