Apachetop is a very helpful application/tool that allows to administrator/webmaster to monitor Apache traffic in real time. Apachetop provide the output that how many requests per second are generating, which files have been opened and how many times. It bassically veiw domain’s log files in same time and...
Continue reading
August 25, 2014 Admin
Apache
No Comment
If you are getting error as “The bootloader for this VM returned an error” The issue generally occurs when booting sequence is not set. You can verify the booting order by following command. #xe vm-param-list uuid=a1e31ab1-964b-0426-9667-5b6c37b35431 | grep HVM-boot HVM-boot-policy ( RW): HVM-boot-params (MRW): The above output display...
Continue reading
August 22, 2014 Admin
Virtualization
No Comment
This tutorial will describe how to create virtual machine on XenServer (6.2.0) Virtual machine based on template. #xe template-list After selecting template, create VM: #xe vm-install template=”CentOS 6.0 (64-bit) (prod)” new-name-label=”webserverVM” Template Name= CentOS 6.0 (64-bit) (prod) VM name=webserVM Disable boot from VM hard disk: #xe vbd-list vm-uuid=a1e91ab3-964a-0426-9667-5c6c36b35431...
Continue reading
August 21, 2014 Admin
Virtualization
No Comment
HAProxy is a load balancer application that permits you to proxy HTTP and TCP connections to a group of back-end servers; Keepalived KeepAlived permit you to create a redundant pair of HAProxy servers by moving an IP address between HAProxy hosts in an active-passive configuration. Network Scenario LB1...
Continue reading
August 21, 2014 Admin
Apache
No Comment
You can enable or disable any apache module in Ubuntu using a2enmod and a2dismod, Not need to edit configuration file. Run the following command from root user To enable/disable a module: #a2enmod module_name #a2dismod module_name To enable modules #a2enmod expires #a2enmod headers #a2enmod rewrite #a2enmod mod-security #/etc/init.d/apache2 restart...
Continue reading
August 20, 2014 Admin
Apache
No Comment
