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Convert a .ogv recording (eg from recordmydesktop in Gnome/Linux) into a .wmv (eg for playback in Windows)

I needed to convert a screen capture when using Gnome's "recordmydesktop" and convert it to a .wmv for playback in Windows.
This is sample output - yours may be different.
0

ffmpeg -i input.ogv -qscale 0 output.wmv # convert .ogv to .wmv

mpb · 2014-06-24 16:23:18 7
Spoof your wget referring url
This is sample output - yours may be different.
0

H="--header"; wget $H="Accept-Language: en-us,en;q=0.5" $H="Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" $H="Connection: keep-alive" -U "Mozilla/5.0 (Windows NT 5.1; rv:10.0.2) Gecko/20100101 Firefox/10.0.2" --referer=urlhere

theabarnes · 2014-10-17 04:22:07 8
Convert JSON to YAML (unicode safe)
This is sample output - yours may be different.
0

json_xs -t yaml < foo.json > foo.yaml

chrapek · 2015-01-29 13:48:34 9
Create OS X install USB via one step CLI

If you've upgraded to OS X 10.10.x the OS installer should be on your system, otherwise its a free download (~ 5 GB). Added bonus, the above command does not require the USB pre-formatted. Show Sample Output
This is sample output - yours may be different.
```
Erasing Disk: 0%... 10%... 20%... 30%...100%...
Copying installer files to disk...
Copy complete.
Making disk bootable...
Copying boot files...
Copy complete.
Done.
```
0

sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ Yosemite.app/ --nointeraction

justinf · 2015-05-24 08:03:41 12
Write random data to a disk, quickly

Due to @tremby, here: http://unix.stackexchange.com/a/172088/58343. I'm looking for a way to parallelize openssl and feed that to dd since openssl is the bottleneck on my machine: http://unix.stackexchange.com/questions/253466/parallelize-openssl-as-input-to-dd
This is sample output - yours may be different.
0

openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64)" -nosalt </dev/zero | pv --progress --eta --rate --bytes --size 8000632782848 | dd of=/dev/md0 bs=2M

diagon · 2016-01-05 19:36:03 20
Delete all Vagrant boxes

Combs through your home directory and destroys all Vagrant boxes.
This is sample output - yours may be different.
0

find $HOME -type d -name .vagrant | xargs -i% bash -c "pushd %; cd ..;vagrant destroy -f; popd"

gtirloni · 2016-10-06 17:02:20 17
Find latest modified log
This is sample output - yours may be different.
0

find . -name '*.log' | xargs ls -hlt > /tmp/logs.txt && vi /tmp/logs.txt

zluyuer · 2017-07-07 05:13:51 20
Toggle the Touchpad on or off
This is sample output - yours may be different.
0

tp=$(synclient -l | grep TouchpadOff | awk '{ print $3 }') && tp=$((tp==0)) && synclient TouchpadOff=$tp

jny · 2018-10-09 07:42:32 369
replace @ symbol with new line character, to get new line character press Ctrl+v+enter --> ^M

replace @ symbol with new line character, to get new line character press Ctrl+v+enter --> ^M
This is sample output - yours may be different.
0

%s/@/^v[M]/g

xraj · 2009-09-17 11:47:24 4
Show a script or config file without comments
This is sample output - yours may be different.
0

egrep -v "^[[:blank:]]*($|#|//|/\*| \*|\*/)" somefile

sdadh01 · 2009-11-10 18:49:19 5
View a random xkcd comic

Only need to install Image Magick package. Display a xkcd comic with its title and save it in /tmp directory If you prefer to view the newest xkcd, use this command: wget -q http://xkcd.com/ -O-| sed -n '/<img src="http:\/\/imgs.xkcd.com\/comics/{s/.*$http:.*$" t.*/\1/;p}' | awk '{system ("wget -q " $1 " -O- | display -title $(basename " $1") -write /tmp/$(basename " $1")");}'
This is sample output - yours may be different.
0

wget -q http://dynamic.xkcd.com/comic/random/ -O-| sed -n '/<img src="http:\/\/imgs.xkcd.com\/comics/{s/.*$http:.*$" t.*/\1/;p}' | awk '{system ("wget -q " $1 " -O- | display -title $(basename " $1") -write /tmp/$(basename " $1")");}'

laugg · 2009-12-09 13:41:25 7
Show the command line of a process that use a specific port (ubuntu)

A way not so simple but functional for print the command for the process that's listening a specific port. I got the pid from lsof because I think it's more portable but can be used netstat netstat -tlnp Show Sample Output
This is sample output - yours may be different.
```
java -Dcom.sun.management.jmxremote -Xmx1024m -XX:MaxPermSize=300m -server -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8885 -jar /oc4j/j2ee/home/oc4j.jar 
```
0

port=8888;pid=$(lsof -Pan -i tcp -i udp | grep ":$port"|tr -s " " | cut -d" " -f2); ps -Afe|grep "$pid"|grep --invert-match grep | sed "s/^$[^ ]*[ ]*$\{7\}$.*$$/\2/g"

glaudiston · 2010-01-11 17:49:22 8
Status of Snow Armageddon in Washington DC Metro from the command line...

The Washington DC Metro area is not accustomed to getting large snow storms... http://snowpocalypsedc.com/
This is sample output - yours may be different.
0

/usr/bin/links --source http://weather.noaa.gov/pub/data/forecasts/zone/md/mdz009.txt

SuperFly · 2010-02-05 17:44:45 3
List a phone's filesystem with bitpim

This will list your phone's filesystem with bitpim. (works on many LG, Samsung, and Sanyo) See http://www.bitpim.org/help/phones-featuressupported.htm for full list.
This is sample output - yours may be different.
0

bitpim -p $PHONE_PORT ls

matthewbauer · 2010-04-09 02:20:53 10
shutdown pc in a 4 hours

((60 * 4)) will be turned into 240 by bash before being input to the shutdown command, replace the 4 with whatever number of hours you want, let bash do the math.
This is sample output - yours may be different.
0

shutdown -h $((60 * 4))

retrodanny · 2011-05-02 07:10:10 3
batch download jpgs which are in sequence
This is sample output - yours may be different.
0

curl -O http://www.site.com/img/image[001-175].jpg

kev · 2011-11-09 10:19:24 4
Show all archives.

That command make the same that "ls -a", but just typping "la". Tested in bash.
This is sample output - yours may be different.
0

la

rock_neurotiko · 2011-12-18 15:48:03 3
open a screenshot of a remote desktop via ssh

More stealthy ffmpeg method. The imagemagick 'import' method causes a system beep.
This is sample output - yours may be different.
0

ssh user@host "ffmpeg -f x11grab -s 1920x1080 -i :0 -r 1 -t 1 -f mjpeg -" | display

buhrietoe · 2012-05-01 04:45:15 3
Flush DNS in Mac OS X
This is sample output - yours may be different.
0

dscacheutil ?flushcache

edshadi · 2012-07-04 17:04:52 3
SoftHangup --Request a hangup on a given channel - in Asterisk 1.6.2:

If a call get hanged , one can disconnect the call using the above command i.e "soft hangup . The Zap/1-1 is the name of the Channel , you wish to disconnect. There may be many channels, but you need to pick the channel name of hanged call only ...
This is sample output - yours may be different.
0

soft hangup Zap/1-1

coolsanjiv · 2012-10-31 06:50:18 3
Suspend to RAM with KDE 4

%qdbus org.freedesktop.PowerManagement /org/kde/Solid/PowerManagement suspendToRam Service 'org.freedesktop.PowerManagement' does not exist.
This is sample output - yours may be different.
0

dbus-send --system --print-reply --dest="org.freedesktop.UPower" /org/freedesktop/UPower org.freedesktop.UPower.Suspend

unixmonkey45062 · 2013-01-03 21:35:19 6
launch bash without using any letters

Starts a new shell (in bash/sh, it starts bash/sh). 'man bash' explains: "If arguments remain after option processing, and neither the -c nor the -s option has been supplied, the first argument is assumed to be the name of a file containing shell commands. If bash is invoked in this fashion, $0 is set to the name of the file, and the positional parameters are set to the remaining arguments."
This is sample output - yours may be different.
0

$0

fhtagn · 2013-03-05 22:57:14 4
Display terminal command history with date

If the HISTTIMEFORMAT is set, the time stamp information associated with each history entry is written to the history file, marked with the history comment character. Show Sample Output
This is sample output - yours may be different.
```
    2  19/09/13 11:21:02 ./adb kill-server
    3  19/09/13 11:21:02 ./adb start-server
    4  19/09/13 11:21:02 ./adb 
    5  19/09/13 11:21:02 ./adb shell
    6  19/09/13 11:21:02 ./adb shell
    7  19/09/13 11:21:02 cd /Users/weng/Software/android-sdk-macosx/platform-tools/
    8  19/09/13 11:21:02 ./adb kill-server
    9  19/09/13 11:21:02 ./adb start-server
   10  19/09/13 11:21:02 ping 192.168.1.10
```
0

echo 'export HISTTIMEFORMAT="%d/%m/%y %T "' >> ~/.bash_profile

99RedBalloons · 2013-09-19 03:25:14 13
truncate deleted files from lsof

Be careful, first run: lsof | grep -i deleted | grep REG | grep -v txt Then, give it the boot!
This is sample output - yours may be different.
0

lsof | grep -i deleted | grep REG | grep -v txt | ruby -r 'pp' -e 'STDIN.each do |v| a = v.split(/ +/); puts `:> /proc/#{a[1]}/fd/#{a[3].chop}`; end'

jim80net · 2014-03-11 06:02:09 7
Show an alphabetized list of all mcollective nodes
This is sample output - yours may be different.
0

mco ping | head -n -4 | awk '{print $1}' | sort

mrwulf · 2014-06-24 18:20:16 7
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Find last reboot time

Specific to OSX.

eth-tool summary of eth# devices

Give the Speed and Link status of eth# 0-3. This is sort of what mii-tool does, but eth-tool is better, yet lacks device discovery.

Auto Rotate Cube (compiz)

Strip my code to: wmctrl -o 0,0 # autorotates to the first face. In fact [0-1279],0 wmctrl - 1280,0 # goes to the second face wmctrl -o 2560,0 # goes to the third face, and so on. # Use multiples of the horizontal display resolution. My example work for 1280x800 display, been 1280 the number of interest. Tweak the number, try a biiiig one and see your cube spinning... I put a complex example to show how fun things can be, even for my ademco and paradox alarm central network advisor interface xpto etc. It rotates two faces, print the alarm message, and goes back tho where it was. Tested on BIGLINUX 4.2, equivalent to ubuntu LTS hardy. Do not forget to activate 3D efects ( compiz cube )

Show all symlinks

Remove ( color / special / escape / ANSI ) codes, from text, with sed

Remove ( color / special / escape / ANSI ) codes, from text, with sed Credit to the original folks who I've copied this command from. The diff here is: Theirs: [m|K] Theirs is supposed to remove \E[NUMBERS;NUMBERS[m OR K] This statement is incorrect in 2 ways. 1. The letters m and K are two of more than 20+ possible letters that can end these sequences. 2. Inside []'s , OR is already assumed, so they are also looking for sequences ending with | which is not correct. This : [a-zA-Z] This resolves the "OR" issue noted above, and takes care of all sequences, as they all end with a lower or upper cased letter. This ensures 100% of any escape code 'mess' is removed.

SSH connection through host in the middle

Download latest NVIDIA Geforce x64 Windows driver

Download latest NVIDIA Geforce x64 Windows7-8 driver from Nvidia's website. Pulls the latest download version (which includes beta). This is the "English" version. The following command includes a 'sed' line to replace "english" with "international" if needed. You can also replace the starting subdomain with "eu." "uk." and others. Enjoy this one liner! 1 character under the max :) $wget "us.download.nvidia.com$(wget -qO- "$(wget -qO- "nvidia.com/Download/processFind.aspx?psid=95&pfid=695&osid=19&lid=1&lang=en-us" | awk '/driverResults.aspx/ {print $4}' | cut -d "'" -f2 | head -n 1)" | awk '/url=/ {print $2}' | sed -e "s/english/international/" | cut -d '=' -f3 | cut -d '&' -f1)"

dstat- this command is powerful one to monitor system activity . It has combined the power of vmstat,iostat,mpstat,df,free,sar .

As mentioned in the summery that it is a powerful command to monitor system activity in great way. It has got the power of vmstat,iostat,mpstat,df,free and sar.Instead of firing each single command separately ,one can fire one single command to get all the info at once.But there is a way to get the individual information too. Please see the man page . You can get it from here : http://dag.wieers.com/home-made/dstat/

Rename files in batch

Print summary of referers with X amount of occurances

This prints a summary of your referers from your logs as long as they occurred a certain number of times (in this case 500). The grep command excludes the terms, I add this in to remove results Im not interested in.

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