Hi It's openstack, so KVM. These are VMs.
On Thursday, 29 August 2019 22:57:28 UTC+1, Rickard von Essen wrote: > > Could you provide some more details? What's the underlying virtualization > system? Is this PV or HVM VM's? Etc > > On Thu, Aug 29, 2019, 19:34 Matt Faraday <matt....@gmail.com <javascript:>> > wrote: > >> Hi All, >> >> I'm facing a strange issue, where I've modified /etc/default/grub in my >> image to change GRUB_CMDLINE_LINUX to add some extra flags. If I do this to >> an already running instance, it's fine, a reboot and the changes persist. >> >> I'm creating images using packer, and if I make this change when creating >> an image, when the instance starts those changes are not there, despite >> packer making the change and then creating the image. >> >> Any idea what is over-writing this ? Can't seem to find any info online, >> and other people suggest making changes to the kernel boot parameters in >> the same way as I'm doing. I am also running grub2-mkconfig -o >> /boot/grub2/grub.cfg as well after making the change. >> >> OS is CentOS 7. >> >> Example output from packer (it does a cat /etc/default/grub for me to >> show what it is) >> >> [0;32m openstack: GRUB_TIMEOUT=1 [0m >> [0;32m openstack: GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' >> /etc/system-release)" [0m >> [0;32m openstack: GRUB_DEFAULT=saved [0m >> [0;32m openstack: GRUB_DISABLE_SUBMENU=true [0m >> [0;32m openstack: GRUB_TERMINAL="serial console" [0m >> [0;32m openstack: GRUB_SERIAL_COMMAND="serial --speed=115200" [0m >> [0;32m openstack: GRUB_CMDLINE_LINUX="console=tty0 crashkernel=auto >> console=ttyS0,115200 net.ifnames=0 biosdevname=0 audit=1" >> >> but after starting the image .... >> >> [root@kernel4-nic-test-2471ee92 cloud]# cat /etc/default/grub >> >> GRUB_TIMEOUT=1 >> GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" >> GRUB_DEFAULT=saved >> GRUB_DISABLE_SUBMENU=true >> GRUB_TERMINAL="serial console" >> GRUB_SERIAL_COMMAND="serial --speed=115200" >> GRUB_CMDLINE_LINUX="console=tty0 crashkernel=auto console=ttyS0,115200" >> >> >> Does anyone know what is overwriting this ? >> >> -- >> This mailing list is governed under the HashiCorp Community Guidelines - >> https://www.hashicorp.com/community-guidelines.html. Behavior in >> violation of those guidelines may result in your removal from this mailing >> list. >> >> GitHub Issues: https://github.com/mitchellh/packer/issues >> IRC: #packer-tool on Freenode >> --- >> You received this message because you are subscribed to the Google Groups >> "Packer" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to packe...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/packer-tool/ad7247f8-3b6f-482e-864b-8d165be39933%40googlegroups.com >> >> <https://groups.google.com/d/msgid/packer-tool/ad7247f8-3b6f-482e-864b-8d165be39933%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- This mailing list is governed under the HashiCorp Community Guidelines - https://www.hashicorp.com/community-guidelines.html. Behavior in violation of those guidelines may result in your removal from this mailing list. GitHub Issues: https://github.com/mitchellh/packer/issues IRC: #packer-tool on Freenode --- You received this message because you are subscribed to the Google Groups "Packer" group. To unsubscribe from this group and stop receiving emails from it, send an email to packer-tool+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/packer-tool/8e81a820-3b4a-4f48-a6b6-25312e8823e0%40googlegroups.com.
