I got an error related to “bc” the command-line calculator while executing the MySQL tuning script. The fix was also simple 🙂 Error details Error: Command line calculator ‘bc’ not found! The “bc” is the command-line calculator for Linux. You…
Errors
[Solved] : MySQL server has gone away – error while restoring the DB
Managing MySQL server is one of the interesting thing for every sys admins. In this article I’m just sharing a quick fix for the error that I got while restoring the database from its backup file. I hope this will…
0% [Connecting to archive.ubuntu.com] – Ubuntu
apt-get error ubuntu I got one error with “apt-get” command in one of our server which has Ubuntu 12.04 OS. After the Y/N confirmation of apt-get installation command the server went to un-responded state for 4-6 minutes. Error details are pasted…
[Solved] pop3-login: Maximum number of connections from user – IP exceeded
This directive is included in Dovecot configuration to avoid large number of connections from a particular user. This option will be very helpful to mitigate some sort of attacks to this service. In this article we discuss how to manage…
Possible root compromise detected: Failed to create directory /dev/null – cPanel
Hey, have you ever got this email from cPanel? Attempts to create new directories or files whose file-names begin with numbers have failed. This is indicative of a root compromise of the server. The exact error encountered was: Failed to…
[Solved] su: cannot set user id: Resource temporarily unavailable
OpenVZ is a container based virtualization technique for Linux. OpenVZ creates multiple secure, isolated Linux containers (otherwise known as VEs or VPSs) on a single physical server. Each container performs and executes exactly like a stand-alone server; a container can…
Error while adding an Addon domain in cPanel account
Error while adding an Addon domain in cPanel (sorry the domain is already pointed to an IP address). cPanel/WHM is an easily managing control panel for Linux web hosting servers. You can create accounts for hosting, you can add sub-domains,…