Commands by microft (3)

  • get a list of temps of your hard-drives. Show Sample Output

    hddtemp /dev/sda /dev/sdb /dev/hda /dev/hdb | gawk '{print $NF}' | perl -n -e '$_ =~ s/(\d+)/print "$1 "/eg }{ print "\n"'
    microft · 2009-05-20 16:01:58 0
  • connects to all the screen instances running.

    screen -ls | grep pts | gawk '{ split($1, x, "."); print x[1] }' | while read i; do gnome-terminal -e screen\ -dx\ $i; done
    microft · 2009-04-22 10:36:39 4
  • I use this to generate a playlist with all the podcasts I listen to. Ordered from most recent to older. Show Sample Output

    find . -type f -print0 | xargs -r0 stat -c %Y\ %n | sort -rn | gawk '{sub(/.\//,"",$2); print $2}' > /tmp/playlist.m3u
    microft · 2009-03-04 16:41:02 1

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convert doc to pdf
convert to pdf and many other formats and vise versa to get a list of supported formats, run $ unoconv --show

cd into the latest directory

Converting video file (.flv, .avi etc.) to .3gp
ffmpeg -i = input file name -s = set frame size, qcif=176x144 -vcodec = force video codec -r = frame-rate [default = 25] -b = bit-rate [200 kb/s] -acodec = force audio codec -ab = audio bitrate in bits/s [64k] -ac = no. of audio channels [1] -ar = audio sampling frequency [44100 Hz] optional: -sameq = use same video quality as source (implies VBR) -f = force format -y = overwrite output files

Regex to remove HTML-Tags from a file
This regular expression removes all HTML-Tags from the file.

Convert multiple flac files to mp3
make sure that flac and lame are installed sudo apt-get install lame flac

Delete all files older than X in given path
This will find all files under the path "." which are older than 10 days, and delete them. If you wish to use the "rm" command instead, replace "-delete" with "-exec rm [options] {} \;"

Quick case-insenstive partial filename search
This is a simple command, but extremely useful. It's a quick way to search the file names in the current directory for a substring. Normally people use "ls *term*" but that requires the stars and is not case insensitive. Color (for both ls and grep) is an added bonus.

Detect illegal access to kernel space, potentially useful for Meltdown detection
Based on capsule8 agent examples, not rigorously tested

Find the ratio between ram usage and swap usage.
it provides the ratio used for the RAM and The SWAP under Linux. When swappiness is high, Swap usage is high. When swappiness is low, Ram usage is high.

Filter IP's in apache access logs based on use
Show's per IP of how many requests they did to the Apache webserver

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