Category Archives: Plesk / Onyx

How do I prevent my website or VPS from being hacked?

There are a number of measures you can take to prevent your website or VPS from being hacked: Keep your website(s) up-to-date. Remove plugins, themes, or modules that you no longer use. Use passwords that are not easy to guess. Change your passwords regularly. Never use the username ‘admin’ or ‘root’. Make regular backups. Make […]

Fail2ban jails not activated: NOK: (‘database disk image is malformed’)

Symptoms Activating fail2ban generates errors in Plesk: ERROR NOK: (‘database disk image is malformed’,) ERROR NOK: (‘columns jail, path, firstlinemd5 are not unique’,) ERROR NOK: (‘database or disk is full’,) ERROR:f2bmng:Command ‘[‘/usr/bin/fail2ban-client’, ‘reload’, ‘plesk-wordpress’]’ returned non-zero exit status 255 ERROR:f2bmng:Failed to reload following jails due to errors in configuration: plesk-wordpress Plesk panel.log You get the […]