Protected: Bash scripts to backup all databases in a MySQL server with the option to exclude some databases.

[root@srv01 demo]# grep -rl ‘from test old’ . | xargs sed -i ‘s/from test old/from test new/g’

Objective This articles describe on installing the paravirtualized drivers on a linux operating systems like centos, redhat, ubuntu Instructions 1. Insert the XenTools ISO in the DVD drive of the Linux VM2. Mount the DVD drive to /mnt using : “mount /dev/xvdd /mnt”It says , mount : block device /dev/xvdd is write-protected, mounting read-only  The…

In this article, we will explain swap space, and learn how to create swap space using a swap file in Linux: this is important in case we don’t have a swap partition created on the hard disk. Swap space/partition is space on a disk created for use by the operating system when memory has been…

Find and replace text within a file using sed command The procedure to change the text in files under Linux/Unix using sed: Use Stream EDitor (sed) as follows: sed -i ‘s/old-text/new-text/g’ input.txt It tells sed to find all occurrences of ‘old-text‘ and replace with ‘new-text‘ in a file named input.txt The s is the substitute…

Setup Virtual Hosts with Apache on Node.js CentOS Server Do you want to host multiple Node.js Websites on the same Server with different location stored? No Problem, we have a solution for you. We will use apache to turn our server into a web server. There are small requirements for this process. Requirements CentOS Machine…