Commands using rpm (53)

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Show max lengths of all fields in a pipe delimited file with header row

multiline data block parse and CSV data extraction with perl
extract data in multiline blocks of data with perl pattern matching loop

Query cheat.sh from the termianl. A quick access cheat sheet for a range of linux commands!

Replicate a directory structure dropping the files
Here is how to replicate the directory structure in the current directory to a destination directory (given by the variable DESTDIR), without copying the files.

Screencast of your PC Display with mp4 output
Since ffmpeg on Ubuntu is deprecated, now there is avconv. Please note that the screen area here is set with a predefined format "-s wxga" that is corresponding to "-s 1366x768") There is also the option to add a title in the metadata of the resulting video.

Print the current time on the whole screen, updated every second
http://www.joachim-breitner.de/projects#screen-message now also supports reading stdin continuously to update what it shows, different ?slides? separated by a form feed character. Here, we feed the current time into it each second to create a large clock.

Runs previous command replacing foo by bar every time that foo appears
Very useful for rerunning a long command changing some arguments globally. As opposed to ^foo^bar, which only replaces the first occurrence of foo, this one changes every occurrence.

Ping all hosts on 192.168.1.0/24
Will report back IP address's of all hosts that are UP.

List total available upgrades from apt without upgrading the system
This let's you find out the total packages that have available upgrades. Usefull if you want to check or show the total available upgrades on your system.

list block devices
Shows all block devices in a tree with descruptions of what they are.

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