Pinjasaur
9/19/2017 - 4:22 PM

SSH

SSH setup/install

ssh.md
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SSH

Generate a Key

Generate with ssh-keygen -t rsa -C "your_email@example.com". Add email/info to act as a label.

Add public key (id_rsa.pub) to ~/.ssh/authorized_keys.

Add to ssh-agent

  • eval "$(ssh-agent -s)"
  • ssh-add ~/.ssh/id_rsa

Permissions

  • ~ Not writeable by others (probably 0700)
  • ~/.ssh 0700
  • ~/.ssh/authorized_keys 0644
  • ~/.ssh/key 0600
  • ~/.ssh/key.pub 0644
config
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Host *
  Port 22
  IdentityFile ~/.ssh/id_rsa
  ServerAliveInterval 120
  TCPKeepAlive no
  # Keep this here, it's (potentially) important
  # https://serverfault.com/a/869394
  # XAuthLocation /opt/X11/bin/xauth

# Host with X11 forwarding
Host foo
  HostName foo.bar
  User foobar
  ForwardX11 yes
  # Might also be needed
  # ForwardX11Trusted yes

# Host with no X11 forwarding
Host foo-nox
  HostName foo.bar
  User foobar