Commands by lowrez

Commands by lowrez (6)

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Find Words of Arbitrary Length

Sample: nword 3 err nword 18 misinterpretations
This is sample output - yours may be different.
0

$ nword() { grep -P "^.{$1}\$" /usr/share/dict/words | shuf -n1; }

lowrez · 2016-01-02 03:34:50 11
Find Rhyming Words

rhyme time mime rhyme lowrez Juarez
This is sample output - yours may be different.
0

rhyme() { { cat /usr/share/dict/words; printf %s\\n "$1"; } | rev | sort | rev | grep -FxC15 -e "${1?}" | grep -Fxve "$1" | shuf -n1; }

lowrez · 2016-01-02 03:24:44 13
Pulse Volume Control Using Zenity

This produces a little bar that you can use to set the volume percentage.
This is sample output - yours may be different.
1

amixer -D pulse sset Master $(zenity --scale --text="Select a number" --value=$(amixer -D pulse sget Master | grep -Eo '..[0-9]'% | tr -d '%[, ' | tail -n 1) --min-value="0" --max-value="100" --step="1")%

lowrez · 2016-01-02 03:20:41 10
Screenshot Directly To Clipboard

This will take a screenshot of a selected area and save it as foo.png as well as sending it straight to the clipboard for pasting into GIMP, Anki, Zim, etc.
This is sample output - yours may be different.
1

scrot -s -q 100 foo.png ; xclip -selection c -t image/png < foo.png

lowrez · 2016-01-01 23:15:09 886
Random Wallpaper From Reddit
This is sample output - yours may be different.
0

wget -O - http://www.reddit.com/r/wallpaper | grep -Eo 'http://i.imgur.com[^&]+jpg' | shuf -n 1 | xargs wget -O background.jpg ; feh --bg-fill background.jpg

lowrez · 2015-12-22 19:11:02 21

Works on *.mp4 as well. Show Sample Output

avconv -i vid.avi

lowrez · 2015-10-16 22:49:52 10

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list block devices

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

Open Finder from the current Terminal location

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cleanup /tmp directory

Cleans all files in /tmp that have been accessed at least 2 days ago.

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

list block devices

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

Process command output line by line in a while loop

This snippet allows to process the output of any bash command line by line.

Scan for new SCSI devices

Issues a scan command on the given scsi host adapter (ex. a fibre channel adapter, in the example above on host0). Output can be watched in the messages log or in "dmesg"

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Backup all databases in a MySQL container

sort list of email addresses by domain.tld

email random list can be created here: https://www.randomlists.com/email-addresses

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