- #How to netboot ubuntu usb install
- #How to netboot ubuntu usb upgrade
- #How to netboot ubuntu usb iso
- #How to netboot ubuntu usb download
1įind /sys/class/net - type l -not -lname '*virtual*' - printf '%f\n' | python3 -c "Ĭ = Of course, this script should be executed by cloud-init as bootcmd. All interfaces will contact the DHCP server to get available IP addresses simultaneously. I wrote a script /usr/bin/asc_init_net to automatically generate configuration file for Netplan during post-installation. If your machine happens to have one interface, you can skip this part. Meanwhile, cloud-init also only configure one interface since most of the cloud instances only have one. Optional: Configure DHCP for all network interfaces after installationĭebian-installer has a known bug: netcfg/choose_interface=auto fails to pick the functional network interface from many ones. I attach my script located at /etc/cloud//20-asc-init.cfg here for your reference. It is recommended to refer to these examples to customize your script. In fact, we could utilize it to do post-installation configuration.
#How to netboot ubuntu usb upgrade
Therefore, you still need to perform apt upgrade after installation.
#How to netboot ubuntu usb install
upload successful Install and Upgrade SoftwareĬonsider that Ubuntu 18.04.3 is a bit outdated, so some build-in software should be upgraded. Thus, you can preinstall some software in this step. Generally speaking, all the files existing in the virtual environment will be directly copied to the machine where this system is installed, except several files generated during installation. Run cubic command in the terminal to launch this program. Sudo apt-add-repository ppa:cubic-wizard/release Also, it will automatically set up the virtual environment ( chroot), where modifying the root filesystem is quite easy, just like operating a regular Ubuntu.
#How to netboot ubuntu usb iso
There is an excellent tool called cubic, which helps us decompress and repack the ISO file and rootfs image.
#How to netboot ubuntu usb download
Make sure what you download is a non-live version, such as, 1 Thus it can only be downloaded from old-releases site. Since Ubuntu 18.04.4~18.04.5 doesn't support unattended installation, we have to use Ubuntu 18.04.3 as the original version. As for Ubuntu 20.04 users, please refer to this tutorial or my newer blog post for your information, and you can still read this tutorial because some approaches mentioned in this article also work.
![how to netboot ubuntu usb how to netboot ubuntu usb](https://blog.viktorpetersson.com/assets/netboot.png)
![how to netboot ubuntu usb how to netboot ubuntu usb](https://www.alphr.com/wp-content/uploads/2021/05/Ubuntu-64-bit-VMware-Workstation-16-Player-Non-commercial-use-only-6_7_2021-11_29_56-AM.png)
It will be convenient if the installation is fully automated when configuring multiple nodes at the same time.