• Fonts I'm using for coding

    Here is a modest list of the fonts I have been using along my 15 years of coding/programming. If you read those lines, I assume you are looking for a good font which is pleasant to code with, easy to read with distinct characters (ex: O / 0 or l...

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  • Numeric Keypad not recognized in PuTTY

    In case you logged into an SSH session and your numeric keypad is not working, follow these steps to fix the problem: 1) Go to Change Settings… -> Terminal -> Features 2) Check the option Disable application keypad mode 3) Apply Test your numeric keypad and it should work. Sometimes...

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  • PuTTY - Unexpected SSH2 MSG UNIMPLEMENTED packet

    If you are here it’s you are wondering why your are getting a Disconnected: Server protocol violation: unexpected SSH2_MSG_UNIMPLEMENTED packet error on PuTTY. The reason is you actually use a deprecated SSH key exchange algorithm. To fix this you can first update your PuTTY version to the latest one. If...

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  • SSH - Authentication refused: bad ownership or modes for directory/file

    I got a message like “Server refused our key” when I tried to SSH my server using a PuTTY with a RSA key. After a log check in /var/log/auth.log (Ubuntu): sshd[2910]: Authentication refused: bad ownership or modes for file /home/user/.ssh/authorized_keys Ownership of .ssh folder and authorized_keys file should be: drwx------...

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