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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
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This is a useful command to backup an sd card with relative total size for piping to pv with a progressbar
Nethogs groups bandwidth by process.
MAC OSX doesn't come with a locate command, This will do the same thing as the locate command on a typical Linux OS.
Simply add it to your ~/.bash_profile
Magic line will extract almost all possible archives from current folder in its own folders. Don't forget to change USER name in sudo command. sed is used to create names for folders from archive names w/o extension. You can test sed expression, used in this command:
arg='war.lan.net' ; x=$(echo $arg|sed 's/\(.*\)\..*/\1/') ; echo $x
If some archives can't be extracted, install packages:
apt-get install p7zip-full p7zip-rar
Hope this will save a lot of your time. Enjoy.
you will be sad after you run a command and find out it needs root, so you should run it again but with prefix sudo.
so this line is to make it simple. just 'sudo !!'
Command used to know if we are working on a virtual or physical machine. This command will use the dmidecode utility to retrieve hardware information of your computer via the BIOS. Run this command as root or with sudo.
Replace 500ms by the desired delay.
To remove it: sudo tc qdisc del dev lo root netem delay 500ms
you need ruby gems and localtunnel, further instruction on their website
for ubuntu precise, just intall ...
sudo apt-get install ruby ruby1.8-dev rubygems1.8 libopenssl-ruby
sudo gem install localtunnel
ssh-keygen -t rsa
python -m SimpleHTTPServer 8000
sudo localtunnel -k ~/.ssh/id_rsa.pub 8000
This should be an option to rpm, but isn't. I wind up using it a lot because I always forget the full name of the packages I want to delete.
`mount -o remount` doesn't pick up new NFS options (eg. timeo, soft, retrans, etc) so you need to do a full mount/remount cycle. This one-liner makes it quick and easy :) Update your fstab with the new options, then run it.
Show the UUID-based alternate device names of ZEVO-related partitions on Darwin/OS X. Adapted from the lines by dbrady at http://zevo.getgreenbytes.com/forum/viewtopic.php?p=700#p700 and following the disk device naming scheme at http://zevo.getgreenbytes.com/wiki/pmwiki.php?n=Site.DiskDeviceNames
Sometimes my /var/cache/pacman/pkg directory gets quite big in size. If that happens I run this command to remove old package files. Packages that we're upgraded in last N days are kept in case you are forced to downgrade a specific package. The command is obviously Arch Linux related.
Kill all processes belonging to a user, with a minimum of resource usage. Great for the times when a user fork-bombs the system and it's difficult to login or run commands.