Welcome to Dave’s Brain

I've been a developer for years and have kept some notes. This is my place to share them. I'll add more. Hopefully they are useful to somebody.

• 2024.oct.15 Computer - http-ping: see how long it takes to access a website - without downloading extra programs
• 2024.oct.11 Computer - Dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssl_dh=/path/to/dh.pem
• 2024.oct.05 Computer - Fedora: getting temperatures of devices
• 2024.sep.21 Computer - Fedora: automatically install updates
• 2024.sep.18 Programming - Linux: pragmatically follow a symlink
• 2024.sep.05 Computer - keytool error: java.lang.Exception: Input not an X.509 certificate

More recent articles >