Casandra, thanks. I use "rinstall us5 osimage=ubuntu18.04.5-x86_64-install-compute". The process actually successfully selects and partitions a disk (/dev/sdb) and creates all the files systems. Then right in the middle of the installation it prompts me with "Install the GRUB boot loader". I type in /dev/sdb in the field, and the installation continues till the end.
After a bit of guesswork and experimentation I figured that the prompt is thrown only if there are additional drives with partitions present. If those additional drives are wiped (wipefs -a) prior to rinstall, the prompt isn't displayed. I googled around but couldn't find any useful into that would help me understand how to turn that prompting off with extra partitioned drives present. Unfortunately my knowledge about Ubuntu "preseed" isn't deep enough to figure this out completely on my own. Another question is about ssh keys for the root user. Those don't seem to be installed by default like it happens in CentOS/RHEL. Any pointers? Thanks, Michael > On Sep 17, 2020, at 12:05 PM, Casandra H Qiu <cxh...@us.ibm.com> wrote: > > Ubuntu 20 seems only have "*-live-server-* now. xCAT needs to start to verify > the newer ubuntu version. > > The installation should not be interrupted with the prompt. how did u kick > off install? rinstall or nodeset ? you should use rinstall . it combine three > command: nodeset, rsetboot and rpower > > If you want to modify the config file, you should write a postscripts. > current xcat code didn't disable the SSH login for ubuntu. > > Use postscripts maybe more simple to replace source.list. > The other method you can add those `http://` links to osimage's pkgdir. each > dir in the pkgdir will be added to source.list. > > > Thanks, > Casandra Qiu > ................................................................... > Casandra Hong Qiu > Phone: (845) 433-9291, t/l 293-9291 > Office: Building 8, 3-B-04 > cxh...@us.ibm.com > > > > <graycol.gif>Michael Green ---09/17/2020 11:42:09 AM---Casandra, thanks a lot > for the link. I downloaded and deployed the "*18.04.5-server-*" ISO and the i > > From: Michael Green <mishagr...@gmail.com> > To: xCAT Users Mailing list <xcat-user@lists.sourceforge.net> > Date: 09/17/2020 11:42 AM > Subject: [EXTERNAL] Re: [xcat-user] Ubuntu 18.04.5: > > > > > Casandra, thanks a lot for the link. I downloaded and deployed the > "*18.04.5-server-*" ISO and the installation worked. > > My suggestion would be to amend the documentation warning users that for the > purpose of xCAT, they should NOT get "*18.04.5-live-server*" ISO image. This > is because somehow Ubuntu makes it much easier to find the "*-live-server-*" > ISO as opposed to just "*-sever-*". I'm saying this from my own experience - > if you google something obvious like "ubuntu server download iso 18.04" and > follow the links, you'll eventually land on > https://releases.ubuntu.com/18.04.5/ <https://releases.ubuntu.com/18.04.5/> > which presents links to the live ISOs only. > > I took a bit of time to look into the installed system and I have some > questions: > The installation the process is interrupted with a prompt "Install the GRUB > boot loader on a hard disk". The prompt asks the users to specify a path to > the drive where the boot loader should be installed. Is this working as > designed? If yes, how can I eliminate this prompt in order to make the > installation fully automatic, like CentOS? > As it is customary with Ubuntu, password based root SSH login is prohibited > by default. Is there a way (a postscript?) that can be used to unlock that in > /etc/ssh/sshd_config (yes, I know about all the security implications, but > for the purpose of this environment I don't care). I can right my own > postscript, but I was wondering if one already exists, or if, perhaps, there > is a method already built into xCAT. Don't want to spend time solving problem > if it's already solved. > The /etc/apt/source.list appears to be pointing to the xCAT repository, > instead of the original Ubuntu repos (ex http://us.archive.ubuntu.com/ubuntu > <http://us.archive.ubuntu.com/ubuntu>). But because the image on the xCAT > server is a lean one (not much software in it), most of the packages one may > want to install are missing from it. I fixed that manually by overwriting the > sources.list with a copy from another Ubuntu server and got apt-get working. > Is this an Ubuntu installer thing or an xCAT issue? How can I make sure that > apt is pointing to the internet sources instead of the local ones? Should I > write a postscript or there is a better way? > > Thanks a lot, > Michael > > P.S. https://sourceforge.net/p/xcat/mailman/ > <https://sourceforge.net/p/xcat/mailman/> shows "Oh snap! We can't process > this request." this morning for me. I couldn't search mail list archives to > find answer to my questions above. >
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