Dart
Dart
HTML Canvas
HTML Canvas
Redis
Redis
Bash
Bash
JavaScript
JavaScript
SSH

Getting Started

ssh-copy-id

$ ssh-copy-id user@server

Copy to alias server

$ ssh-copy-id server1

Copy specific key

$ ssh-copy-id -i ~/.ssh/id\_rsa.pub user@server

ProxyJump

$ ssh -J proxy\_host1 remote\_host2

$ ssh -J user@proxy\_host1 user@remote\_host2

Multiple jumps

$ ssh -J user@proxy\_host1:port1,user@proxy\_host2:port2 user@remote\_host3

Config sample

Host server1 
    HostName 192.168.1.5
    User root
    Port 22
    IdentityFile ~/.ssh/server1.key

Launch by alias

$ ssh server1

See: Full Config Options

SCP Options

Options Description
scp -r Recursively copy entire directories
scp -C Compresses data
scp -v Prints verbose info
scp -P 8080 Uses a specific Port
scp -B Batch mode (Prevents password)
scp -p Preserves times and modes

Config location

File Path Description
/etc/ssh/ssh_config System-wide config
~/.ssh/config User-specific config
~/.ssh/id_{type} Private key
~/.ssh/id_{type}.pub Public key
~/.ssh/known_hosts Logged in host
~/.ssh/authorized_keys Authorized login key

SCP

Copies from remote to local

$ scp user@server:/dir/file.ext dest/

Copies between two servers

$ scp user@server:/file user@server:/dir

Copies from local to remote

$ scp dest/file.ext user@server:/dir

Copies a whole folder

$ scp -r user@server:/dir dest/

Copies all files from a folder

$ scp user@server:/dir/\* dest/

Copies from a server folder to the current folder

$ scp user@server:/dir/\* .

Executing

Executes remote command

$ ssh [[email protected]](/cdn-cgi/l/email-protection) 'ls -l'

Invoke a local script

$ ssh [[email&nbsp;protected]](/cdn-cgi/l/email-protection) bash < script.sh

Compresses and downloads from a server

$ ssh [[email&nbsp;protected]](/cdn-cgi/l/email-protection) "tar cvzf - ~/source" > output.tgz

Connecting

Connect to a server (default port 22)

$ ssh [[email&nbsp;protected]](/cdn-cgi/l/email-protection)

Connect on a specific port

$ ssh [[email&nbsp;protected]](/cdn-cgi/l/email-protection) -p 6222

Connect via pem file (0400 permissions)

$ ssh -i /path/file.pem [[email&nbsp;protected]](/cdn-cgi/l/email-protection)

See: SSH Permissions

Comments
Related