While doing live migration of OpenVZ vps I got below error Solution: This happened because the module vzcpt was not loaded on the source server. So we will have to manually load this module. First of check your kernel version. The the load the module /lib/modules/KERNEL_VERSION/kernel/kernel/cpt/vzcpt.ko to resolve the problem. In my case the kernel …
Today we had a client who wanted us to whitelist Cloudflare IP’s on thirteen of his Plesk-Onyx servers. If you have installed and enabled the Plesk Firewall extension. Then you can whitelist those IP ranges from Plesk >> Tools & Settings >> Firewall (Under Security) >> Modify Plesk Firewall Rules >> Add Custom Rule >> …
In CentOS 7 you will often find /etc/resolv.conf overwritten after each reboot or network service restart. It’s done the NetworkManager. If you check your resolv.conf after reboot you will see that your changes are gone and it will look something like this This happens because of the DNS entries present in the network interface files. …
One of our clients today had problem with their soyoustart.com (an ovh.com brand) server. The server was not booting up. OVH provide an option to boot the server from a rescue disk. So I used that feature to boot the server in rescue mode. Then mounted the server disks and check the system log, boot …
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 it to finish before I can upgrade. But I double checked and there was no instance of EasyApache3 running. root@server [~]# /scripts/migrate_ea3_to_ea4 –run checkyum …
This system is currently building an EasyApache 3 stack Read More »
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 reliable control panel with vast number of features that makes server management extremely easy. Also almost every hosting company providing linux shared hosting uses cPanel …
Why you should move to CWP (CentOS WebPanel) instead of using cPanel Read More »
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 reading query has to be looked up against the cache contents in search for the previously buffered result that could be returned, a freshly generated …
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. First of all create backup of all the databases using below command. mkdir /mysqlbackup MYSQL_PWD=`cat /etc/psa/.psa.shadow` mysqldump -u admin –all-databases > /mysqlbackup/all-databases.sql Now stop the …
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 hosts and/or service_description (config file ‘nconf/temp/Default_collector/advanced_services.cfg’, starting on line 195) It was no surprise because the last release of nconf was on Dec 2011 which …
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 as reverse proxy to other webserver like Apache and till now I was fixing it by increasing the proxy_read_timeout in nginx configuration. Nginx Reverse Proxy …