Hey all. This is a short tutorial which contains ssh cheat sheet for Sys Admins working on Linux.

# To ssh via pem file

ssh -i /path/to/file.pem user@example.com

# To connect on an non-standard port:

ssh -p 2222 user@example.com

# To connect and forward the authentication agent

ssh -A user@example.com

# To execute a command on a remote server:

ssh -t user@example.com 'the-remote-command'

# To tunnel an x session over SSH:

ssh -X user@example.com
  • Redirect traffic with a tunnel between local host (port 8080) and a remote
  • host (remote.example.com:5000) through a proxy (personal.server.com):
ssh -f -L 8080:remote.example.com:5000 user@personal.server.com -N

# To launch a specific x application over SSH:

ssh -X -t user@example.com 'chromium-browser'

# To create a SOCKS proxy on localhost and port 9999

ssh -D 9999 user@example.com

# -X use an xsession, -C compress data, “-c blowfish” use the encryption blowfish

ssh user@example.com -C -c blowfish -X

# Copy files and folders through ssh from remote host to pwd with tar.gz compression. when there is no rsync command available

ssh user@example.com "cd /var/www/Shared/; tar zcf - asset1 asset2" | tar zxf -

# Mount folder/filesystem through SSH

Install SSHFS from https://github.com/libfuse/sshfs

# Will allow you to mount a folder securely over a network.

sshfs name@server:/path/to/folder /path/to/mount/point

# Emacs can read file through SSH
# Doc: http://www.gnu.org/software/emacs/manual/html_node/emacs/Remote-Files.html

emacs /ssh:name@server:/path/to/file

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