Commands by ivanalejandro0

Commands by ivanalejandro0 (4)

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Shortcut to find files with ease.

It looks for files that contains the given word as parameter. * case insensitive * matches files containing the given word. Show Sample Output
This is sample output - yours may be different.
```
[~/openvpn.git] $ finame auth
./sample/sample-scripts/auth-pam.pl
./src/plugins/auth-pam
./src/plugins/auth-pam/auth-pam.c
./src/plugins/auth-pam/README.auth-pam
./src/plugins/auth-pam/auth-pam.exports
./AUTHORS
```
1

finame(){ find . -iname "*$1*"; }

ivanalejandro0 · 2014-12-31 22:33:08 10
Don't track history for the current session starting after the command

Yo run the `nohist` command and after that the commands won't get stored in the history file for the current session. This makes no permanent changes.
This is sample output - yours may be different.
0

nohist(){ export HISTFILE=/dev/null; }

ivanalejandro0 · 2014-12-31 22:30:08 11

Function that searchs a process by its name and shows in the terminal. * Shows the Header for reference * Hides the process 'grep' from the list * Case sensitive Show Sample Output

-1

psg(){ ps aux | grep -v grep | egrep -e "$1|USER"; }

ivanalejandro0 · 2014-12-31 22:27:27 9

send DD a signal to print its progress

Sends the "USR1" signal every 1 second (-n 1) to a process called exactly "dd". The signal in some systems can be INFO or SIGINFO ... look at the signals list in: man kill
This is sample output - yours may be different.
2

watch -n 1 pkill -USR1 "^dd$"

ivanalejandro0 · 2012-08-31 05:15:45 4

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back ssh from firewalled hosts

host B (you) redirects a modem port (62220) to his local ssh. host A is a remote machine (the ones that issues the ssh cmd). once connected port 5497 is in listening mode on host B. host B just do a ssh 127.0.0.1 -p 5497 -l user and reaches the remote host'ssh. This can be used also for vnc and so on.

change exif data in all jpeg's

this takes every jpg in the current directory and changes the exif data for manufactur and model. in my case i change it to LOMO LC-A because my scanner puts his data in there :]

Print text string vertically, one character per line.

Define a function $ vert () { echo $1 | grep -o '.'; } Use it to print some column headers $ paste

Reducing image size

Adding the exclamation mark to the image geometry ignores the original aspect ratio. More info about image geometry: http://www.imagemagick.org/script/command-line-processing.php#geometry

Convert CSV to JSON

Replace 'csv_file.csv' with your filename.

live ssh network throughput test

connects to host via ssh and displays the live transfer speed, directing all transferred data to /dev/null needs pv installed Debian: 'apt-get install pv' Fedora: 'yum install pv' (may need the 'extras' repository enabled)

Remove invalid host keys from ~/.ssh/known_hosts

Useful if you have to tunnel ssh through a local port and it complains of the host key being different. Much easier than manually editing the file.

Get a BOFH excuse

Almost same output with fewer typing... OP had a great idea : BOFH !!!

uncomment the lines where the word DEBUG is found

Get first Git commit hash

git log --format=%H | tail -1 doesn't work anymore

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