One Click Virtualization

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incus Installation Guide ​

If your host does not have an IPV6 subnet and you want to assign IPV6 addresses to containers, then please check the Customize partition in the incus module for the Attach a free IPV6 address segment to the host, and attach an IPV6 subnet to the host before installing the environment.

One-Click Installation ​

WARNING

If this is a new server, make sure that both apt update and apt install curl are working properly before executing this script. It is recommended to pre-install btrfs-progs to speed up the subsequent installation process, after installation it is recommended to reboot the system to load the settings, if it is not pre-installed it is no problem, just follow the prompts to execute the script.

TIP

It's recommended to wait for at least 5 minutes after the system boots up before executing the following commands. This is to avoid the script being executed by the default system settings, which could cause issues with apt sources.

  • Prerequisites: Ubuntu 20+ (recommended), Debian 11+
  • The virtual memory here is talking about the size of the SWAP to be opened, and the storage pool is the sum of the sizes of the disks occupied by all your servers to be opened
  • The server needs to be restarted after the environment installation process to load some default configurations
  • By default, lxd's lxcfs-related configuration is enabled, so that in-container querying of container information changes to information about the container itself rather than the host

Command:

shell
curl -L https://raw.githubusercontent.com/oneclickvirt/incus/main/scripts/incus_install.sh -o incus_install.sh && chmod +x incus_install.sh && bash incus_install.sh

Example of initialization configuration:

If there is 18GB of unused disk space on the system disk, after deducting the space already occupied, and you want to allocate 2GB of virtual memory (2048MB of SWAP) and a 15GB storage pool, then following the prompts in the command line, enter 2048 and 15.

TIP

If the implementation of the final stuck more than 60 seconds without log display, it is recommended to force a restart of the server through your server's control panel, may be the last step of the installation is stuck in the restart of the network that step!

Manual Installation ​

Recommended for beginners to avoid potential troubleshooting. However, if you're experienced and comfortable with debugging bugs, you can also use the above one-click installation method for convenience.

Disable Firewall ​

bash
apt update
apt install curl wget sudo dos2unix ufw jq -y
ufw disable

Enabling Virtual Memory SWAP ​

The amount of memory depends on how many instances you want to run. If you want to run 8 instances and calculate, you'll need 2GB of memory. If your actual physical memory is 512MB, you'll need an additional 1.5GB. To be cautious, allocate 2GB of virtual memory.

Execute the following commands: Enter '1', then enter '2048'. This signifies allocating 2GB of virtual memory.

Command:

shell
curl -L https://raw.githubusercontent.com/oneclickvirt/incus/main/scripts/swap.sh -o swap.sh && chmod +x swap.sh && bash swap.sh

Installing incus ​

Actually, the virtual memory allocated for swap should be twice the size of the actual memory. So, it's reasonable to allocate 1GB if the actual memory is 500MB. The scenario I described above is an excessive allocation.

sudo -i
mkdir -p /etc/apt/keyrings/
curl -fsSL https://pkgs.zabbly.com/key.asc -o /etc/apt/keyrings/zabbly.asc
sh -c 'cat <<EOF > /etc/apt/sources.list.d/zabbly-incus-stable.sources
Enabled: yes
Types: deb
URIs: https://pkgs.zabbly.com/incus/stable
Suites: $(. /etc/os-release && echo ${VERSION_CODENAME})
Components: main
Architectures: $(dpkg --print-architecture)
Signed-By: /etc/apt/keyrings/zabbly.asc

EOF'
apt-get update
apt-get install incus -y
incus -h

If there are no exceptions, continue execution

incus admin init

Just enter the default for the normal options

Choose the size of the physical disk (hint: select the default option with a minimum of 1GB). Generally, I fill in the available disk space minus the memory size, then multiply by 0.95 and round down. Here, I entered 10GB.

Remember to select 'no' for options containing 'auto' when prompted to update the image, in order to avoid occupying the system.