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Distributed Replicated Block Device (DRBD)  or network raid mirrors block devices between multiple hosts. A block device is the type of device used to represent storage in the Linux Kernel. All physical disk devices present a block device interface. DRBD mirrors a partition between two machines allowing only one of them to mount it at […]

Mysql server optimization requires customization of various values based on the requirement and availability of resources. An admin needs to be shrewd while making a decision about the values to be placed for each variable to fine-tune it to provide excellent performance. To avoid the overhead of calculating each variable, most admins prefer to copy […]

In server monitoring service we have come across the term Process many times and we are here explaining what is mean by a process in Linux systems Program Vs Process A program is an executable file, while a process is a program in execution. A program is a set of instructions written down to do […]

This database backup script is actually a small modification of another backup script available in Google. I am not able to get that URL to mark/link reference. The only modification I added is a four liner to remove a week old backup automatically. You may also see https://www.supportsages.com/2011/05/applying-wildcards-in-grant-option-of-mysql/ as well. Indenting in python is lost, […]

In this post, I’ll explain some MySQL basics that would be very useful for beginners Reset MySQL root password Log in as Root and Stop the MySQL daemon. Then Start the MySQL daemon and skip the grant tables which store the passwords. Now you should be able to connect to mysql without a password. If […]