Commands by Buzzcp

Commands by Buzzcp (4)

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Use a variable in a find command. Useful in scripting.

You define your variable MYVAR with the desired search pattern: MYVAR= ...which can then be searched with the find command. This is useful if you in a script, where you want the arguments to be fed into the find command. The provided search is case insensitive (-iname) and will find all files and directories with the pattern MYVAR (not exact matches). This may go without saying, but if you want exact matches remove the \* and if you want case sensitive, use the -name argument.
This is sample output - yours may be different.
0

find . -iname \*${MYVAR}\* -print

Buzzcp · 2010-08-04 05:43:51 0
Edit video by cutting the part you like without transcoding.

Examples: The following will take frames starting at 15.2 seconds for a total of 45.9 seconds: mencoder -ss 15.2 -endpos 30.7 -oac copy -ovc copy mymovie.avi -o myeditedmovie.avi Keep in mind -endpos is the total time, i.e. the output video in this is 3 minutes 3 seconds in length: mencoder -ss 1 minute -endpos 2 minutes 3 seconds -oac copy -ovc copy mymovie.avi -o myeditedmovie.avi
This is sample output - yours may be different.
8

mencoder -ss <start point> -endpos <time from start point> -oac copy -ovc copy <invid> -o <outvid>

Buzzcp · 2010-01-11 22:59:13 1
Date shows dates at other times/dates

Use date to find the date at other days and times.
This is sample output - yours may be different.
5

date -d '2 weeks ago'

Buzzcp · 2009-04-28 03:09:23 4
Monitor dynamic changes in the dmesg log.

Other logs can be monitored similarly, e.g. watch "tail -15 /var/log/daemon.log"
This is sample output - yours may be different.
11

watch "dmesg |tail -15"

Buzzcp · 2009-04-14 03:13:17 5

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To have only unique lines in a file

Display top Keywords from history

Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Open a manpage in the default (graphical) web browser

An easy alias for opening a manpage, nicely HTML formatted, in your set internet browser. If you get a "command exited with status 3" error you need to install groff.

Tail -f at your own pace

The -s option allows you to specify the update interval

Show memory usage of all docker / lxc containers (works on CoreOS)

Get your external IP address ( 10 characters long )

Shortest url to a external IP-service, 10 characters.

add all files not under version control to repository

With the force options the same results can be achieved

convert a line to a space

Beep siren

Infinitely plays beeps with sinusoidally changing sound frequency. Ideal for alarm on an event.

Stay in the loop…

Follow the Tweets.

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