What is fstrim? fstrim tells SSDs or thin-provisioned storage which blocks are no longer used by the filesystem so they can be reclaimed. Without TRIM/discard: deleted data still looks “used” to the storage layer SSD performance slowly degrades thin storage pools appear full even when files were deleted write amplification increases (reduces SSD lifespan) Running…
Tag: enable
Enable root login over SSH
1. As root, edit the sshd_config file in /etc/ssh/sshd_config: nano /etc/ssh/sshd_config 2. Add a line in the Authentication section of the file that says PermitRootLogin yes 3. Save the updated /etc/ssh/sshd_config file 4. Restart the SSH server: service sshd restart