Linux

Check the Status of the Firewall sudo firewall-cmd --state List All Firewall Rules sudo firewall-cmd --list-all Create a New Zone firewall-cmd --permanent --new-zone=allowed Add the Specific IP Address ( allowed…

Following are the useful commands to manage the firewall on ubuntu using UFW sudo ufw enable sudo ufw disable Default Policies sudo ufw default deny incoming sudo ufw default allow…

1- Check all the cron jobs running for logged in user crontab -l 2- Create a new cron job crontab -e 3- Using or viewing the cron job of the…