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Script to backup MySQL databases
Sometimes we need a automated system which will make the backup of our database server. But some of the Databases are unnecessary for us to make those backup. This script will help you to make backup...
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Backup script for AWS EBS volumes.
Here is a bash script to automated the EBS volumes backup. The sctipt will create snapshots for the mentioned EBS volumes and also it will delete the snapshots older than 7 days. To run the sctipt you...
View ArticleBasic Shell Scripting: Chapter-I
If you are not a programmer and you are doing a repetitive task daily by issuing some commands to complete a task then, you can write a shell script to do the same thing for you by issuing a single...
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In this Chapter we will wirte and execute some basic shell scripts. Example 1 :#!/bin/bash clear echo "The System Date and time is:`date`" echo "Your username is: `whoami`" echo "Your current directory...
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Shell Script Variables: Variable in shell script means, referencing a numeric or character value. We can access the value of a variable, prefix it with a dollar sign. eg:value=5 or value ='linuxfunda'...
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Shell Conditional Statements: (if, elif, else) Usage:if [expression]; then code if 'expression' is true. elif [expresion1]; then code if 'expression1' is true. else code if 'expression' and...
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Loop in Shell Script: (while, until, for) The while executes a piece of code if the control expression is true, and only stops when it is false. While Statement Example:#!/bin/bash NMB=100 while [ $NMB...
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Case Statement in Shell Script: In shell script case statement is similar to switch statement in C. The case statement allows you to easily check pattern (conditions) and then process a command-line if...
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Functions in Shell Script: Function is a subscript inside a shell script. We can separate a complex script to multiple task by adding function to it. Just we need to call them where it required. In...
View ArticleSecure File Transfer Protocol (SFTP) commands
SFTP: It’s secure file transfer protocol or SSH file transfer protocol. We can also use FTP and SCP to transfer files to remote server. But SFTP is the most secure and interactive way to transfer files...
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