This system is currently building an EasyApache 3 stack
Today i was upgrading EasyApache3 to EasyApache4 on a server and faced this problem. It was saying that an instance of EasyApache3 was running and I have to wait for…
Why you should move to CWP (CentOS WebPanel) instead of using cPanel
After reading above line the first thing that will come to cpanel lovers mind will be "Is this guy an idiot?". cPanel is one of the most advanced, stable and…
How query cache can cause performance problems?
How query cache can cause performance problems? Whenever query cache is enabled, any query executed has to access it for one reason or another. For example, the text of a…
How to upgrade MariaDB in Plesk CentOS 7
CentOS 7 already comes with MariaDB but the version is older. You may need to upgrade it to latest version so that your magento and other scripts can work properly.…
nconf stopped working after update to nagios 4
I recently updated our nagios monitoring system from Nagios 3 to Nagios 4 and nconf started giving below error when I generate the new configuration files. Error: Service has no…
Upstream timed out (110: Connection timed out) while reading response header from upstream
Today I found below error in the nginx logs. Upstream timed out (110: Connection timed out) while reading response header from upstream This error generally occurs when nginx is configured…
How to check if the disk is SSD?
Most of the data centers and hosting providers are now offering SSD (Solid-state drive). If you run the fdisk command to check the drives it's still going to show as…
Varnish: VCL version declaration missing Update your VCL to Version 4 syntax
Today I installed latest version of varnish on a new server and configured it manually. I tried to start it but it was failing. So I did a configuration file…
How to install VIRTUALIZOR on OVH Servers
OVH provide dedicated servers with their own customized kernels. Also the loaded disk partitions too will look odd to you. Now if you directly run the virtualizor installation script then…
SMTP Authenticated email using Python script
System administrators generally use the sendmail or mail utility from mailx to send emails. Which automatically send the email from username@hostname. But there are times when you want to send…