Commands by putnamhill (75)

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Open (in vim) all modified files in a git repository
The option --porcelain makes the output of git easier to parse. This one-liner may not work if there is a space in the modified file name.

Detect illegal access to kernel space, potentially useful for Meltdown detection
Based on capsule8 agent examples, not rigorously tested

For Gentoo users : helping with USE / emerge
This command puts all the flags of the USE variable actually used by the packages you emerged to the file "use", and those which are unused but available to the file "notuse"

Find the files that contain a certain term
Simple use of find and grep to recursively search a directory for files that contain a certain term.

if you are working in two different directories; e.g. verifying files in your home directory; ls ~/ and you need to cd to the /etc/directory. you can enter 'cd -' (no single quotes) to go back and forth between directories.

cpu process limitation for specific processname like java,kibana
apt-get install cpulimit

Switch all connected PulseAudio bluetooth devices to A2DP profile
Tries to switch all audio devices to the A2DP profile for optimal sound quality. Useful for bluetooth speakers and headphones that always power up in HSP/HFP mode. Note however that this command is only a shorthand for the GUI, so it cannot fix stubborn BT controllers that leave your device stuck in HSP mode until a manual re-coupling.

Testing reading speed with dd

Download all manuals RedHat 7 (CentOS/Fedora) with one command in Linux

Super Speedy Hexadecimal or Octal Calculations and Conversions to Decimal.
^Hexadecimal Ten minus Octal Ten is Eight(in Decimal). $ echo "$(( 0xaf )) = $(( 0257 ))" ^Hexadecimal AF and Octal 257 are both Decimal 175.


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