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  • How to enable SSH on Binder

    8 minute read #binder, #ssh

    ⚠️ This post is no longer valid.

    Running SSH on Binder has not been possible since late 2020. Due to abuse from botnets Binder will now kill sessions running sshd.

  • Fixing the SSH roaming vulnerability (CVE-2016-0777)

    2 minute read #vulnerability, #ssh, #os-x, #linux, #cve-2016-0777

    A vulnerability in the OpenSSH client has been discovered which means that if you SSH to a compromised server the server can steal your private key. This affects any operating system with OpenSSH client 5.4 and above, which is pretty much all flavors of linux and OS X.

  • SSH without a password on OS X with ssh-copy-id

    3 minute read #os-x, #ssh, #ssh-copy-id, #terminal

    What is ssh-copy-id?

    ssh-copy-id is a script that uses ssh to log into a remote machine (presumably using a login password, so password authentication should be enabled, unless you’ve done some clever use of multiple identities) It also changes the permissions of the remote user’s home, ~/.ssh, and ~/.ssh/authorized_keys to remove group writability (which would otherwise prevent you from logging in, if the remote sshd has StrictModes set in its configuration).