Commands by flarn2006

Commands by flarn2006 (5)

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Re-execute a command using a saved /proc/pid/cmdline file

Replace $CMDLINE_FILENAME with the name of the cmdline file you copied from /proc/pid, and $COMMAND with the command to execute with those arguments.
This is sample output - yours may be different.
-2

tail -zn+2 $CMDLINE_FILENAME | xargs -0 $COMMAND

flarn2006 · 2020-06-23 05:31:45 28
Talk out of another computer's speakers

Exactly what the summary says. This command will connect to another computer via SSH, and stream audio from your computer's microphone to the other computer's speakers. Use it like an intercom.
This is sample output - yours may be different.
0

rec -t ogg - | ssh remote_hostname play -t ogg -

flarn2006 · 2016-10-07 07:29:53 0
See how many times you've typed 'ls' by itself

I seem to do this compulsively every time I change directories, sometimes even when I don't, even if I know exactly what I need to do. (Don't worry, the sample output is just an exaggeration. :) Show Sample Output
This is sample output - yours may be different.
```
23934729
```
0

grep -cx ls ~/.bash_history

flarn2006 · 2016-09-14 17:06:59 0
Display "ls -l" output with color in less
This is sample output - yours may be different.
0

ls -l --color | less -R

flarn2006 · 2016-05-07 17:19:56 0
Remove duplicate files from the current directory

Remove everything after the second "rev" to only display the duplicate filenames and their hashes.
This is sample output - yours may be different.
0

sha1sum * | sort | rev | uniq -df1 | rev | cut -d" " -f3 | xargs rm

flarn2006 · 2015-08-09 20:32:12 0

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Get curenttly playing track in Last.fm radio

Search some text from all files inside a directory

Delete all local git branches that have been merged

This checks if the branch has been merged with master and then will delete the ones that have been. Keeps your local git repo nice and clean from all the branches.

Function to change prompt

Bash function to change your default prompt to something simpler and restore it to normal afterwards.

Rename file to same name plus datestamp of last modification.

FILENAME=nohup.out mv -iv $FILENAME{,.$(stat -c %Y $FILENAME)} does it help ?

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

Burn a directory of mp3s to an audio cd.

This uses mpg123 to convert the files to wav before burning, but you can use mplayer or mencoder or ffmpeg or lame with the --decode option, or whatever you like.

JSON processing with Python

Validates and pretty-prints the content fetched from the URL.

Get yesterday's date or a previous time

With this command you can get a previous or future date or time. Where can you use this? How about finding all files modified or created in the last 5 mins? touch -t `echo $(date -d "5 minute ago" "+%G%m%d%H%M.%S")` me && find . -type f -newer me List all directories created since last week? touch -t `echo $(date -d "1 week ago" "+%G%m%d%H%M.%S")` me && find . -type d -cnewer me I'm sure you can think of more ways to use it. Requires coreutils package.

Extract HTTP Passwords in POST Requests

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