Ubuntu
Links
Installation
Ubuntu 20.04 LTS
Storage configuration
First create a boot partition!
Remember to umount cdrom before rebooting
Automatic install
- https://ubuntu.com/server/docs/install/autoinstall
- Ubuntu Server 20.04 autoinstall
- Understanding the Ubuntu 20.04 LTS Server Autoinstaller
- Discourse - Please test autoinstalls for 20.04
- Cloudconfig examples
Snags
Documentation
Network configuration
HOWTO
Change nameservers
If using systemd-resolved
Show nameservers
resolvectl status
Edit /etc/netplan/00-installer-config.yaml
netplan apply
Using Ubuntu live CD for resque
- [https://help.ubuntu.com/community/LiveCdRecovery LiveCdRecovery
FAQ
Installing Ubuntu
https://ubuntu.com/server/docs/install/storage
Select a boot disk
Set timezone
dpkg-reconfigure tzdata
Get ubuntu version
cat /etc/lsb-release
The repository 'http://packages.ros.org/ros/ubuntu cosmic Release' does not have a Release file.
Switch path to repositories to old-releases.ubuntu.com
disable ipv6
sysctl:
net.ipv6.conf.default.disable_ipv6=1 net.ipv6.conf.all.disable_ipv6=1
changing locale
/etc/default/locale
locale-gen
dpkg-reconfigure keyboard-configuration setupcon
loadkeys us
and lots more
mail: command not found
install heirloom-mailx
OR
install mailutils
REMEMBER: to fix sender domain
create /etc/mailutils.conf containing
address {
email-domain yourdom.ain;
};
and check out
mail --config-help
failed unmounting /var
ignore it? it's a journald issue
multipathd[667]: sda: failed to get sgio uid: No such file or directory
Seems to be vmware setting: disk.EnableUUID = true
CHECK!
The following signatures couldn't be verified because the public key is not available:
gpg --keyserver keyserver.ubuntu.com --recv-keys 9D6D8F6BC857C906
Upgrade to 22.04 (impish Release no longer has a Release file)
That sucks, now what? Check https://help.ubuntu.com/community/EOLUpgrades
When apt-get update fails, set your repositories to old-releases.ubuntu.com
Upgrades to the development release are only available from the latest supported release
More obscure mess. Check https://linuxconfig.org/how-to-upgrade-ubuntu-to-20-04-lts-focal-fossa
==Not all translations for this language are installed.== Use the Install
Missing Packages button to download and install all missing packages
Instead of trying to find that mysterious button, try
check-language-support
which will list missing packages
Release file not valid yet
Mirror not up to date?
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 23E7166788B63E1E
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 23E7166788B63E1E
Hold shift key
Error messages
The repository 'http://archive.ubuntu.com/ubuntu jammy InRelease' is no longer signed.
Try again later?
