This note about software, config in my Ubuntu.

Ubuntu Setup.md

Ubuntu Setup

This note about software, config in my Ubuntu.

Change swap size

sudo swapoff -a
sudo fallocate -l 1G /swap.img
sudo chmod 600 /swap.img
sudo mkswap /swap.img
sudo swapon /swap.img

Check: free -m

Use apt

Install:

sudo apt install <package-name>
sudo apt insstall ./google-chrome-stable_current_amd64.deb

Purge:

sudo apt purge <package-name>

Autoremove:

sudo apt autoremove

Update:

sudo apt update -y
sudo apt upgrade -y
sudo apt dist-upgrade -y

dpkg

sudo dpkg -i google-chrome-stable_current_amd64.deb

Chrome

wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
sudo dpkg -i google-chrome-stable_current_amd64.deb
sudo apt install -f

Synaptics driver

sudo apt install xserver-xorg-input-synaptics

Gnome Shell Extensions

sudo apt install gnome-shell-extensions

Git client

sudo apt install git

LSD (LSDeluxe) - The next gen ls command

apt install lsd

Neovim - hyperextensible Vim-based text editor

sudo apt install neovim

TLP - Linux Advanced Power Management

sudo add-apt-repository ppa:linrunner/tlp
sudo apt install tlp tlp-rdw

Check: sudo tlp-stat

Open JDK

sudo apt install openjdk-17-jdk

Go lang

sudo add-apt-repository ppa:longsleep/golang-backports
sudo apt install golang-go

KVM - Kernel-based Virtual Machine

KVM

sudo apt install qemu-kvm libvirt-daemon-system virtinst libvirt-clients bridge-utils
sudo systemctl enable libvirtd
sudo systemctl start libvirtd
sudo usermod -aG kvm $USER
sudo usermod -aG libvirt $USER

Logout

Make a Bridge Network for the VMs

Create netplan configuration file: /etc/netplan/01-netcfg.yaml

network:
  version: 2
  ethernets:
    eth0:
      dhcp4: false
      dhcp6: false
  bridges:
    br0:
      interfaces: [eth0]
      dhcp4: false
      addresses: [10.254.152.27/24]
      macaddress: 01:26:3b:4b:1d:43
      routes:
        - to: default
          via: 10.254.152.1
          metric: 100
      nameservers:
        addresses: [8.8.8.8]
      parameters:
        stp: false
      dhcp6: false

VirtManager

sudo apt install virt-manager

WebVirtMgr

Install WebVirtMgr

Switch KVM to Virtualbox

/sbin/rmmod kvm_intel
/sbin/rmmod kvm
/etc/init.d/vboxdrv start

Switch Virtualbox to KVM

/etc/init.d/vboxdrv stop
/sbin/insmod /lib/modules/`uname -r`/kernel/arch/x86/kvm/kvm.ko
/sbin/insmod /lib/modules/`uname -r`/kernel/arch/x86/kvm/kvm-intel.ko

Docker

for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt-get remove $pkg; done

# Add Docker's official GPG key:
sudo apt update
sudo apt install ca-certificates curl gnupg
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg

# Add the repository to Apt sources:
echo \
  "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update

sudo usermod -a -G docker $USER
Restart computer.

# Setup firewall
sudo ufw allow from 172.0.0.0/8 to 172.17.0.1

Add cron: sudo crontab -e

@daily docker system prune --all --force
@reboot docker system prune --all --force

Edit /etc/docker/daemon.json

{
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "10m",
    "max-file": "3"
  }
}

Cloudflare WARP

curl https://pkg.cloudflareclient.com/pubkey.gpg | sudo gpg --yes --dearmor --output /usr/share/keyrings/cloudflare-warp-archive-keyring.gpg
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/cloudflare-warp-archive-keyring.gpg] https://pkg.cloudflareclient.com/ $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/cloudflare-client.list
sudo apt update
sudo apt install cloudflare-warp
warp-cli register
warp-cli connect

For Debian-based

curl https://pkg.cloudflareclient.com/pubkey.gpg | sudo gpg --yes --dearmor --output /usr/share/keyrings/cloudflare-warp-archive-keyring.gpg
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/cloudflare-warp-archive-keyring.gpg] https://pkg.cloudflareclient.com/ $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/cloudflare-client.list
sudo apt update
sudo apt install cloudflare-warp
warp-cli register
warp-cli connect

Check

curl -s https://www.cloudflare.com/cdn-cgi/trace/ | grep warp

Remmina - Remote Desktop Client

sudo apt-add-repository ppa:remmina-ppa-team/remmina-next
sudo apt install remmina remmina-plugin-rdp libfreerdp-plugins-standard

7zip, rar

sudo apt install p7zip-full p7zip-rar

Chromium browser

sudo apt install chromium-browser

LibreOffice

sudo add-apt-repository ppa:libreoffice/ppa
sudo apt install libreoffice

SimpleScreenRecorder

sudo apt install simplescreenrecorder

GoldenDict - Dictionary

sudo apt install goldendict goldendict-wordnet

Fix Lost Wire Network

Open file /etc/NetworkManager/NetworkManager.conf

And add a line: managed=true

Wine

sudo dpkg --add-architecture i386
wget -O- https://dl.winehq.org/wine-builds/winehq.key | sudo apt-key add -
sudo apt-add-repository https://dl.winehq.org/wine-builds/ubuntu/
sudo apt install winehq-stable

Lastly run winecfg in the terminal to make sure it configures Wine correctly.

Install winetricks

sudo apt install winetricks

Kodi

sudo add-apt-repository ppa:team-xbmc/ppa
sudo apt install kodi

qBittorrent

sudo add-apt-repository ppa:qbittorrent-team/qbittorrent-stable
sudo apt install qbittorrent

Caffeine

sudo add-apt-repository ppa:caffeine-developers/ppa
sudo apt install caffeine

WireGuard VPN

sudo apt install wireguard

Change swap size

sudo swapoff -a
sudo dd if=/dev/zero of=/swapfile bs=1G count=8
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile

Edit /etc/fstab and add the new swapfile if it isn’t already there

/swapfile none swap sw 0 0

Check the amount of swap available

grep SwapTotal /proc/meminfo

Disable IPv6 systemwide

Open the /etc/sysctl.conf file and add the following to the bottom of the file:

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

Then type sudo sysctl -p to activate your changes

Build vmmon and vmnet

sudo vmware-modconfig --console --install-all
openssl req -new -x509 -newkey rsa:2048 -keyout VMWARE.priv -outform DER -out VMWARE.der -nodes -days 36500 -subj "/CN=VMWARE/"
sudo /usr/src/linux-headers-$(uname -r)/scripts/sign-file sha256 ./VMWARE.priv ./VMWARE15.der $(modinfo -n vmmon)
sudo /usr/src/linux-headers-$(uname -r)/scripts/sign-file sha256 ./VMWARE.priv ./VMWARE15.der $(modinfo -n vmnet)
tail $(modinfo -n vmmon) | grep "Module signature appended"
sudo mokutil --import VMWARE.der
Reboot
mokutil --test-key VMWARE15.der

Enable promiscuous mode - VM Ware

Step 1: Shut down the VMware guest machine

Step 2: At you host, enable the promiscuous mode

sudo chmod a+rw /dev/vmnet0

or

sudo chmod 666 /dev/vmnet*

Reference: https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=287

Auto mount partition

ls -la /dev/disk/by-uuid/

lấy uuid của ổ đĩa, copy vào file /etc/fstab

vi du:

lrwxrwxrwx 1 root root 10 Th05 20 15:01 01CE66839C56B480 -> ../../sdb7
lrwxrwxrwx 1 root root 10 Th05 20 15:01 01D156D38069CA80 -> ../../sda6
lrwxrwxrwx 1 root root 10 Th05 20 15:01 01D1A8D1FE953E80 -> ../../sdb6
lrwxrwxrwx 1 root root 10 Th05 20 15:01 741A807E1A803EDC -> ../../sdb8
lrwxrwxrwx 1 root root 10 Th05 20 15:01 a71f0696-9d2b-41e6-b391-cb340b8f724d -> ../../sdb5
lrwxrwxrwx 1 root root 10 Th05 20 15:01 E04448E44448BED2 -> ../../sda1
lrwxrwxrwx 1 root root 10 Th05 20 15:01 f4bec8ae-68bf-404c-a6a2-846f08791117 -> ../../sda7

sửa file /etc/fstab

UUID=a71f0696-9d2b-41e6-b391-cb340b8f724d /data ext4 defaults 0 0