$ sudo setcap cap_net_raw,cap_net_admin=eip /path/to/java

1. sudo apt install libavcodec-extra

2. Enable DRM

Install Docker CE

• apt install apt-transport-https ca-certificates curl gnupg-agent software-properties-common

• curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -

• echo "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -sc) stable" > /etc/apt/sources.list.d/docker-ce.list

• apt update

• apt install docker-ce

Enable Docker and Containerd to run on system boot

• systemctl enable --now docker containerd

Running Docker as a non-root user

• exit (Back to normal user)

• sudo usermod -aG docker ${USER}

• sudo chmod 666 /var/run/docker.sock

Done

Install GNS3

1. sudo add-apt-repository ppa:gns3/ppa

2. sudo apt update

3. sudo apt install gns3-server gns3-gui

Install IOU Support (Optional)

IOU (IOS over Unix) is an internal Cisco tool for simulating the ASICs in Cisco Switches. This enables you to play with Layer 2 switching in your LABS.

1. sudo dpkg --add-architecture i386
2. sudo apt update
3. sudo apt install gns3-iou

Add your user to the following groups:

for i in ubridge libvirt kvm wireshark; do
  sudo usermod -aG $i $USER
done

Done.

Unmount and format USB drive (FAT32)

# umount /dev/sd[X|Y]

Creating new partition table on /dev/sdX

# parted --script /dev/sdX mklabel msdos

# parted --script /dev/sdX mklabel gpt

Write into USB drive

• # dd bs=4M if=ubuntu-20.04-desktop-amd64.iso of=/dev/sdX status=progress oflag=sync

Reboot

• # shutdown -r 0