Here is how you can change outgoing IP address for SMTP using iptables. On a server, if outgoing email is being blocked by spam filters, It can sometimes get around the problem by using an IPTables rule to force the email out through a different IP address like this: iptables -t nat -A POSTROUTING -p … Read more
We were migrating some complex databases via syncing the contents and found the following error with MySQL sartup on destination system, after the sync is completed [ERROR] Plugin ‘InnoDB’ init function returned error. [ERROR] Plugin ‘InnoDB’ registration as a STORAGE ENGINE failed. To fix it, we have removed ib_logfile0 and ib_logfile1 from the destination server … Read more
Ksplice is an extension to Linux Operating System Kernel, which pushes the Kernel updates and patches to the system without the necessity of a system reboot. This technique is also called “Dynamic Software Updating”. Keeping the Kernal upto date is a real headache for a System Admin, as it needs regular server reboots that kills server uptime and service … Read more