Commands by Yeraze (1)

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Determining the excat memory usages by certain PID
this command gives you the total number of memory usuage and open files by the perticuler PID.

Query Wikipedia via console over DNS
Shorter version, works with multiple words.

Remove everything except that file
it will remove everything except the file names matching you can use also use wildcards

Install pip with Proxy
Installs pip packages defining a proxy

Sort your music
This will mv all your mp3 files in the current directory to $ARTIST/$ALBUM/$NAME.mp3 Make sure not to use sudo - as some weird things can happen if the mp3 file doesn't have id3 tags.

Get AWS temporary credentials ready to export based on a MFA virtual appliance
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

Listing directory content of a directory with a lot of entries
Ever wanted to get the directory content with 'ls' or 'find' and had to wait minutes until something was printed? Perl to the rescue. The one-liner above(redirected to a file) took less than five seconds to run in a directory with more man 2 million files. One can adapt it to e.g. delete files that match a certain pattern.

bash: hotkey to put current commandline to text-editor
* in bash-shell You can capture the current commandline to a text-editor: * simply press: CTRL+x+e * Your current commandline will pe put into Your default text-editor (export EDITOR=vim)

Copy the sound content of a video to an mp3 file
-vn removes tha video content, the copy option tells ffmpeg to use the same codec for generating the output

List of services sorted by boot order in Redhat-based systems


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