Some Quick-notes

These notes will be moved to another place soon

1 Using sshfs to mount remote-folder to local

Test with ubuntu 22.04

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  # Install
  sudo apt install sshfs

  # Show help message
  sshfs --help

  # Mount from folder /data from remote-server to folder /mnt/data at local-server
  sshfs USER@SERVER:/data /mnt/data -o reconnect,ServerAliveInterval=15,ServerAliveCountMax=3 ...

  # Unmount
  fusermount -u /mnt/data

2 Supervisor commands

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  # After change your config file, run these commands
  supervisorctl reread
  supervisorctl update

  # Restart some process
  supervisorctl restart SUPERVISOR-PROGRAM-NAME

3 Change route metric

• Problem: ???
• Edit file vi /etc/netplan/50-cloud-init.yaml
• Find your interface. Example ens3. Add these lines

  1 2	dhcp4-overrides: route-metric: 150 # This will change metric to 150.

• Apply change: sudo netplan apply

4 Change network metric of docker network and disable log

• Problem: ???
• Edit file: /etc/docker/daemon.json
• Add these lines:

  1 2	"mtu":1450, "log-driver": "none"

5 Install Ubuntu 24.04 notes

5.1 Install

• Download Ubuntu ISO from offical site.
• Use tool Start Disk Creator to make bootable-usb
• Start PC from USB, then follow the instructions.

5.2 After Install

• Install keepass2 mate-terminal net-tools ibus-unikey gimp ttf-mscorefonts-installer ubuntu-restricted-extras imagemagick

  1	sudo apt install keepass2 mate-terminal net-tools ibus-unikey gimp ttf-mscorefonts-installer ubuntu-restricted-extras imagemagick

• Install driver for usbwifi

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  cd /hdd/data/softs/rtl8812au/ git pull origin v5.6.4.2 sudo apt install build-essential dkms sudo make dkms_install

• Install VPN

  • Get file ovpn from vpn server.
  • Import ovpn file.
  • Connect.

• Change geany default font

• Set Shortcut key for main menu is: Meta (super, window, Microsoft)

• Vietnamese keyboard: gnome-control-center --> keyboard --> input sources --> add input sources

• Install docker

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  ## Add Docker's official GPG key: sudo apt update sudo apt install ca-certificates curl sudo install -m 0755 -d /etc/apt/keyrings sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc sudo chmod a+r /etc/apt/keyrings/docker.asc ## Add the repository to Apt sources: echo \ "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] 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 apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin sudo usermod -aG docker kiennd ## Change kiennd to your real username

• Install vscode

  • Download file .deb from microsoft site
  • sudo dpkg -i ….

• Set git parrams

  1 2	git config --global user.email "kienngd@gmail.com" git config --global user.name "Kien Nguyen"

• Install drawio

  • wget https://github.com/jgraph/drawio-desktop/releases/download/v24.2.5/drawio-amd64-24.2.5.deb
  • sudo dpkg -i drawio-amd64-24.2.5.deb

• Install Github-Desktop

  1 2	wget https://github.com/shiftkey/desktop/releases/download/release-3.3.12-linux2/GitHubDesktop-linux-amd64-3.3.12-linux2.deb ## Remember to check the newest version sudo dpkg -i GitHubDesktop-linux-amd64-3.3.12-linux2.deb

• Install Google chrome

  • Download file deb from google
  • sudo dpkg -i google-chrome-stable_current_amd64.deb

• Set alias: ~/.bash_aliases

• Config ssl:

• Auto-mount 2nd ddd

  • Edit file /etc/fstab

    UUID=... /mount-point ext4 discard 0 0

  • systemctl daemon-reload