Learn how to get free ssl certificate using certbot and auto-renew certificate.
📄️ Certificates and Keys
Learn how to convert public/private key and certificates to different formats.
Learn some basics of curl cli tool and usefull combination of its options.
📄️ Disk Management
Learn how to using system disk management cli utilities to manage disk and perform mount, format, partation and other system disk operations.
Learn basic of network cli tools in linux/unix
Learn basics of rsync cli to sync files and directories.
📄️ System Information
Tools to gather system information
📄️ User-Permission Management
Learn how to manage user permissions in Linux/Ubuntu and debian OS.