Apt-install preseed

Ask Ubuntu is a question and answer site for Ubuntu users and developers. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. I am creating an unattended installation using preseed for Ubuntu Desktop Hence you included the openssh-sftp-server package in this line:. I tested your preseed file by using Ubuntu minimal iso which can be found here.

On selection screen I moved the cursor to command-line install and pressed tab key. Notice the attributes which appeared in the bottom of the screen:. The preseed file can be hosted on localhost of your host machine, for example by using python3 -m http.

Your IP address will differ obviously. Press enter and the installation will proceed and the instalator will only prompt you for repo server as it is not defined in your preseed file. After installation is complete you can login and confirm that openssh-sftp-server and other packages are installed. Ubuntu Community Ask! Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. How to install software using preseed. Ask Question. Asked 1 year, 9 months ago.

Active 3 months ago. Viewed 4k times. The preseed does not install software nor does it update the packages. Improve this question. Add a comment. Active Oldest Votes. Improve this answer. Community Bot 1. I'm using Packer for installation of this Ubuntu Desktop client.

The preseed is "hosted" by the packer service. As of Debian 10 preseed file can be loaded using these URL schemes: file floppy http https tftp file URL scheme requires a full path inside the installer initrd. Adding the preseed file to the installer's initrd. This method is described in detail in this wiki article. The downside of this method is that new installer has to be generated whenever a preseed file is modified. Autoloading the preseeding file from a webserver via DHCP If you have control over the DHCP server on your network, this method allows fully automated installations; as demonstrated and documented at Hands-off.

Loading the preseeding file from a webserver Most install methods you can interrupt early on and add a URL to a preseed file, for an almost fully automated installations.

Note that if the preseed config is loaded over https the install environment may not recognise the certificates presented by the webserver. Default preseed files When creating a preseed file, you should start from a known good, default preseed file: Preseed file example for Debian Stable If you use a preseed file for an older, newer or otherwise different OS, you will most likely be prompted for answers at some point, even if you thought you automated everything.

Obtaining the answers given during an interactive installer run The DebianInstaller logs the answers given during an interactive installation which can then be used to preseed a noninteractive installation. Those logs can be accessed by giving the --installer option to debconf-get-selections.

More information can be found in chapter B. You can preseed answers for any debconf item in the following way: Install the debconf-utils package Get current debconf settings for DebianInstaller : debconf-get-selections --installer Get current debconf settings for installed packages: debconf-get-selections Copy any relevant values from the output of these commands, and add it to your custom preseed.

Do not work off a debconf-get-selections --installer generated preseed. You can check that the preseed file syntax is valid with debconf-set-selections -c preseed. Exhaustive preseed files SteveMcIntyre provides preseed files that contain the full list of available preseed options, extracted from the templates in all packages in the Debian archive. Preseeding and the installer's debconf templates As part of its construction the DebianInstaller uses udeb files. These files are similar to normal.

The answers to these questions can, in many cases, be preseeded. Not all udebs have a templates file. If you have a. With ls -l you should see something like file. S7Fsld file. This contains the information necessary to preseed answers to questions asked by the installer. Processing templates files Let's assume you have all the available udeb files for your chosen suite stable, testing or unstable and are in the directory containing them.