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+# To ssh via pem file (which normally needs 0600 permissions):
+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
+
+# For more information, see:
+# http://unix.stackexchange.com/q/12755/44856
+
+# 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
+
+# Generate ssh key
+ssh-keygen -t rsa -C "your_email@example.com" -P "" -q -f ~/.ssh/gitlab_rsa
+
+# ed25519 key
+# Added in OpenSSH 6.5
+ssh-keygen -t ed25519
+
+ssh-keygen -t ed25519 -C "user@example.com" -q -f ~/.ssh/user@example.com
+
+ssh-copy-id -i ~/.ssh/id_dsa.pub user@machine