Commands by kulor

Commands by kulor (4)

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Find all dot files and directories

trying to copy all your dotfiles from one location to another, this may help Show Sample Output
This is sample output - yours may be different.
```
.bash_profile
.bashrc
.ssh
```
-2

ls -a | egrep "^\.\w"

kulor · 2009-11-11 18:19:56 9
Add user to group on OS X 10.5

adding users to groups on OS X is not a straightforward process, you need to use the new in built in Directory Service command line utility...
This is sample output - yours may be different.
0

sudo dscl localhost -append /Local/Default/Groups/admin GroupMembership username

kulor · 2009-09-03 04:40:10 0
Get your external IP address
This is sample output - yours may be different.
9

curl -s 'http://checkip.dyndns.org' | sed 's/.*Current IP Address: $[0-9\.]*$.*/\1/g'

kulor · 2009-08-06 11:54:31 1
ssh autocomplete

Could use your ssh bash history if your known_hosts are hashed and you want to keep it hashed
This is sample output - yours may be different.
-3

complete -W "$(echo `cat .bash_history | egrep '^ssh ' | sort | uniq | sed 's/^ssh //'`;)" ssh

kulor · 2009-07-24 09:48:46 2

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Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Reverse a file

resize(1/2) the image using imagemagick

Fill up disk space (for testing)

Put into some file. No special purpouse, just for fun...

Get the gravatar UTL for a given email address

Do command when logged in from certain ips using ssh

Place in ~/.bashrc If you login to a ssh server from different ips, sometimes you want to do something specific for each. e.g., quickly go into screen -x session from a phone, but not your desktop.

enable all bash completions in gentoo

Create a mirror of a local folder, on a remote server

Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Produce a pseudo random password with given length in base 64

Don't copy trailing '=' or use head -c to limit to desired length.

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"

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