Tried upgrading to 2.7.0, and as per usual, (mini) disasters ensued…

Here are some tips I need to remind myself:

• install the sudo package (since the default admin account is disabled) – you should be able to sudo tcsh after logging in using SSH2
• ensure your configuration backup is current (and try changing the number of auto-backup-on-change to some high number, found under Diagnostics > Backup and Restore > Config History)
  
• if using “old” RSA keys for SSH2 authentication, ensure to add the following to /etc/sshd:
  • under the “if ($config['system']['ssh']['sshdkeyonly'] == "both")” and “} else {” sections:
    
    • $sshconf .= "PubkeyAcceptedKeyTypes +ssh-rsa\n";
  • I will be rolling up my sleeves to try to lodge a PR for both UI and sshd script to allow using ssh-rsa…

• try forcing a higher resolution text mode (unfortunately, that didn’t work for me):

  • /boot/loader.conf.local:

    kern.vty=sc
    

  • /boot/device.hints:

    hint.sc.0.flags="0x180"
    hint.sc.0.vesa_mode="279"