balamaci

du -hc --max-depth=1

balamaci

ssh -p 3333 -L local_port:remote_host:remote_port user@machine
 - after a connection to 'machine' is established, all tunneled connections will be directed to the 'remote_host'.
1. ssh -p 3333 -L 3307:localhost:3306 sbalamaci@machine1.ocean.digital
2. ssh -p 3333 -L 3307:82.67.89.3:3306 sbalamaci@machine1.ocean.digital
it matters to which mysql interface the bind is done. 

careful with testing the setup with mysql client connecting to 'localhost' as it will bypass network and connect through a socket file. So even if you messed the setup it will connect to a local mysql instance if available.

to be ran on server for desktop publishing.
x11vnc -safer -localhost -nopw -noxdamage -ncache 10 -once -display :0

balamaci

Copy the file "foobar.txt" from a remote host to the local host:
$ scp your_username@remotehost.edu:foobar.txt /some/local/directory

Copy the file "foobar.txt" from the local host to a remote host:
$ scp foobar.txt your_username@remotehost.edu:/some/remote/directory

Copy the directory "foo" from the local host to a remote host's directory "bar":
$ scp -r foo your_username@remotehost.edu:/some/remote/directory/bar

Copy the file "foobar.txt" from the local host to a remote host using port 2264: