Commands using watch sorted by votes

Commands using watch (155)

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Displaying wireless signal on screen in realtime.

Values will depend on the driver and the hardware specifics, so you need to refer to your driver documentation for proper interpretation of those values. Show Sample Output

-3

watch -n 1 cat /proc/net/wireless

cantormath · 2012-06-07 10:38:21 4

shows the space of a folder in bytes ever two seconds.

my $.02 Show Sample Output
This is sample output - yours may be different.
```
Every 2.0s: df | grep /media/cdrom0                                                                                                         Thu Feb  5 20:24:22 2009

/dev/sde1            976760000  40156816 936603184   5% /media/cdrom0
```
-4

watch "df | grep /this/folder/"

bbelt16ag · 2009-02-06 01:25:58 52
Poll and print end of lates modified file

Watches for file modifications in the current directory and tails the file.
This is sample output - yours may be different.
-4

watch 'ls -tr1 | tail -n1 | xargs tail'

batandwa · 2013-05-09 11:37:59 10
Monitor server load as well as running MySQL processes

Useful for monitoring both MySQL and the server load at the same time.
This is sample output - yours may be different.
-6

watch -n 1 uptime\;myqladmin --user=<user> --password=<password> --verbose processlist

root · 2009-03-21 18:29:28 8
alarm central using keyboard as zone inputs ( output spoken out aloud )

evento.sh needed for awk syntax the aplay command makes a camera sound. It takes a picture of who looked at the display #!/bin/bash # evento.sh: deteta evento e fala awk '{print}' | espeak -v pt -stdin awk '/e/{print "emergencia"}' | espeak -v pt -stdin aplay -q /home/mm/bash/camera.wav # -q inibe verbose do comand aplay exit 0
This is sample output - yours may be different.
-7

watch '/home/mm/bash/keypress.sh |/home/mm/bash/evento.sh'

m33600 · 2009-06-07 20:57:49 5
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send a circular

Wait the end of prog1 and launch prog2

Duplicate several drives concurrently

If you have some drive imaging to do, you can boot into any liveCD and use a commodity machine. The drives will be written in parallel. To improve efficiency, specify a larger block size in dd: $dd if=/dev/sda bs=64k | tee >(dd of=/dev/sdb bs=64k) | dd of=/dev/sdc bs=64k To image more drives , insert them as additional arguments to tee: $dd if=/dev/sda | tee >(dd of=/dev/sdb) >(dd of=/dev/sdc) >(dd of=/dev/sdd) | dd of=/dev/sde

Find usb device in realtime

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

Drop all tables from a database, without deleting it

Uses two comands, requieres mysqldump, but works as expected.

Limit the cpu usage of a process

Similar to `cpulimit`, although `prlimit` can be found shipped with recent util-linux. Example: limit CPU consumption to 10% for a math problem which ordinarily takes up 100% CPU: Before: $ bc -l

pretty print JavaScript source code

https://github.com/mishoo/UglifyJS

resize all JPG images in folder and create new images (w/o overwriting)

Convert all jpegs in the current directory into ~1024*768 pixels and ~ 150 KBytes jpegs

Print unique ipaddresses as they come in from Apache Access Log File

Prints the unique IP Addresses as they arrive from an Apache `access.log` file. The '-W interactive' tells awk to start writing to stdout immediately and not buffer the output. This command builds on the uniq lines without sorting command (http://www.commandlinefu.com/commands/view/4389/remove-duplicate-entries-in-a-file-without-sorting.)

parse html/stdin with lynx

strips html from stdin

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Commands using watch (155)

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