Commands by chronos

Commands by chronos (2)

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dump a remote db via ssh and populate local db with postgres
This is sample output - yours may be different.
0

ssh user@remoteserver "PGPASSWORD='passwd' pg_dump -U user bd_name | bzip2 -zv9" | bzcat | psql -U user bd_name

chronos · 2010-09-24 20:25:42 1
enable all bash completions in gentoo

enable each bash completion that you have installed at your system, that's very nice ;)
This is sample output - yours may be different.
3

for x in $(eselect bashcomp list | sed -e 's/ //g' | cut -d']' -f2 | sed -e 's/\*//');do eselect bashcomp enable $x --global;sleep 0.5s;done

chronos · 2010-09-21 00:17:26 0

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Rename files in batch

return a titlecased version of the string

Needs Bash4. Found at http://stackoverflow.com/questions/2264428/converting-string-to-lower-case-in-bash-shell-scripting alongside a few other tricks.

Generate QR code for a WiFi hotspot

Prompts for network name (SSID) and password, and generates (as qr-wifi.png) a WiFi QR code (e.g. "WIFI:S:mynet;T:WPA;P:mypass;;" for mynet/mypass). Dependencies [sudo apt-get install]: qrencode zenity

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"

Find last reboot time

Specific to OSX.

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)

Get your outgoing IP address

Do one ping to a URL, I use this in a MRTG gauge graph to monitor connectivity

List docker volumes by container

Cleanup firefox's database.

For Mac OS X users only

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