Linux
SSH
Push public SSH key to a server
$ ssh-copy-id -p 41111 -i ~/.ssh/id_rsa.pub mhan@remote.server.com
File
Permissions
r = 4
w = 2
x = 1
rw = 6
r-x = 5
rwx = 7
$ ssh-copy-id -p 41111 -i ~/.ssh/id_rsa.pub mhan@remote.server.com
r = 4
w = 2
x = 1
rw = 6
r-x = 5
rwx = 7