Category Archives: Servers

Linux : perl: warning: Setting locale failed

You probably noticed the following output on your console after logging to your newly installed CloudLinux server : perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_CTYPE = “UTF-8”, LANG = “en_US.UTF-8” are supported and installed on your system. perl: warning: Falling back to… Read More »

Linux : CloudLinux installation error “You have third-party kernel module rpm installed”

Ending up with the following error trying to install CloudLinux? You have third-party kernel module rpm installed. It’s not compatible with CloudLinux kernel. Please contact CloudLinux support at https://helpdesk.cloudlinux.com In my case, this was because of the “kmod-vmware-tools-vmxnet3” module, since it was on a VMware guest machine. Since removing it isn’t an option and I… Read More »

Windows : The following error occurred attempting to join the domain “domain.tld”: The request is not supported.

Ending up with the following error trying to join a server or workstation to an existing Active Directory domain? The following error occurred attempting to join the domain “domain.tld”: The request is not supported. Additionally, if you have a look at the EventViewer, you can see the following log entries under the following logging facility… Read More »

Linux : fuser command not found on CentOS/RHEL 7

You may have encountered the following issue trying to run “fuser” command on CentOS/RHEL 7 : fuser: command not found Many system administrators turn to do minimalist installation with version 7, unfortunately this even cut some critical basic components such as “traceroute, ifconfig, fuser, etc.” which in my opinion should be a part of a… Read More »

Linux : Port forwarding with IPtables

Need to forward a custom port to an existing port on your Linux box? Simply use the following command as root :

Example : Assuming you want to forward port 1025 to port 587 :

The command above won’t survive to reboot, see the configuration below to enter in the IPTables script :… Read More »