Automation In Shell Script
I am DevOps Engineer who works on DevOps tools like Docker, Kubernetes, Terraform, Git, GitHub, Jenkins and AWS services.
-> We can automate our shell script using two ways
Using AT command
-> Using at command we can automate the script if we have to run one time.
at <time>
<command> Ex- bash <path of the script>
ctrl+d
#!/bin/bash
echo "We are checking the at automation" >> redirect.log
-> Here we are saving the logs in a redirect.log file


-> To see all the job-
run atq

-> To remove the scheduled job
atrm <id>

Using Crontab Command
-> To check the existing jobs - crontab -l
-> To add a new job - crontab -e
* * * * * cd /home/ubuntu && bash at_test.sh
