Commands by sarahjames (0)

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Install pip with Proxy
Installs pip packages defining a proxy

get a random command
This command will show an random command. this is useful if you want to explore various random commands.

Ping all hosts on 192.168.1.0/24
Will report back IP address's of all hosts that are UP.

Create a persistent connection to a machine
Create a persistent SSH connection to the host in the background. Combine this with settings in your ~/.ssh/config: Host host ControlPath ~/.ssh/master-%r@%h:%p ControlMaster no All the SSH connections to the machine will then go through the persisten SSH socket. This is very useful if you are using SSH to synchronize files (using rsync/sftp/cvs/svn) on a regular basis because it won't create a new socket each time to open an ssh connection.

Find the package that installed a command

SSH connection through host in the middle

Install your ssh key file on a remote system

Create a file of a given size in linux
If you're trying to create a sparse file, you can use dd by 'skip'ing to the last block instance. ls -ls shows the actual size vs. the reported size

Find broken symlinks
Locate broken symlinks in the current directory. Also useful, to remove broken links: $ find . -type l ! -exec test -e {} \; -print0 | xargs -0 rm

cat a file backwards
Or "tail -r" on Solaris.


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