Learn Ubuntu Fast: Learn, Practice, and Advance your Career

Learn how to install VMware workstation player on Windows 10, allocate RAM for a Ubuntu VM, and use the free version for home labs, including basic setup and VMware tools.

Run Linux on Mac with VMware Fusion, a powerful Mac-specific virtualization tool, and install Ubuntu 20.04 via easy install for a streamlined VM setup.

Explore how shells serve as interfaces to the Linux operating system, switch between bash, dash, and other shells, and set a default shell with the change shell command.

Learn to navigate directories in Linux using cd, pwd, and ls, understanding the present working directory, absolute paths, and up-level navigation with dot dot for efficient file management.

Explore the root (super user) account and the sudo command in Ubuntu, why using sudo improves security, and how to grant and use elevated privileges for software installation.

Master the find command to locate files from a starting path. Use case sensitive or insensitive searches and wildcards for flexible queries.

This lecture explains archiving with tar in linux, grouping files into a single tar file, and how to extract with tar x and -C to a directory.

Learn to create tar archives and add gzip or bzip2 compression, then extract with tar using the same approach, demonstrating practical commands and file naming conventions.

Switch between Linux users on Ubuntu using su, including root with dash for a full login, then verify with who am I.

Learn how to view and update the Linux hostname by editing /etc/hostname and /etc/hosts, verify with the hostname command, and reboot to apply changes.

Begin challenge lab to practice linux commands and tasks, creating directories and files, editing old cfg text and new cfg text, checking shell, changing password, and locating dot text files.

Set the hostname to swordfish, verify it, and explore directory creation with main and old files, create backup, and use interactive deletion to practice safe Linux commands.

Install software on Ubuntu using apt, update the local package database, and verify installations. Learn to upgrade packages, list upgradable and installed packages, and handle common command prompts.

Explore Linux streams—standard input, standard output, and standard error—and master output redirection to files or logs, including redirecting errors and appending when needed.

Master sed for Ubuntu file editing: perform find and replace, insert text, delete lines, and in-place edits with -i, using examples from replacing dog with cat and commenting lines.

Learn how hard and soft links work in Linux, noting that hard links share the same inode and cannot reference directories, while soft links can point to files or directories.

Learn to create and compare hard and soft links in Ubuntu, using ln and ln -s, and understand how inode and file edits affect linked files and originals.

Master Linux shutdown and reboot commands with a practical cheat sheet, including power off, shutdown -h, shutdown -r, and shutdown -c.

Install and verify apache2, confirm /var/www/html, rename index.html to indexed.html.old. Create a file in $HOME, grep 'remote db' in /etc/fstab, set ownership to Dinesh, adjust permissions, then view with cat.

Install Apache2 on an Ubuntu VM, verify index.html is served via systemctl, then rename index.html to index.old and adjust permissions and ownership with chmod, chown, and nano.

Configure a static IP in Ubuntu by editing the net plan yaml, set addresses and gateway4, apply with sudo net plan apply, and verify with ip a and ping 8.8.8.8.

Understand name resolution in Ubuntu by using the hosts file for local mapping, learn how DNS servers are configured (manual or via DHCP), and verify resolution with ping and nslookup.

Master scp, the secure copy protocol, to transfer files between Linux and other systems. Copy files and directories in both directions using ssh-based scp commands with syntax like user@host:/path localpath.

Demonstrates a basic ubuntu shell script that updates and upgrades, autoremove, and autoclean, using a shebang and dash or bash for portable execution.

Master crosstab scheduling by checking existing jobs, editing entries with crosstab dash e, configuring hourly and every-minute tasks, and understanding that root and user crosstab files are separate.

Learn how to capture and analyze network traffic with tcpdump, using interface selection, filters, and options to troubleshoot DNS, HTTP, and server connectivity issues on Ubuntu.