Stretch to Buster Upgrade

Notes and issues are tracked via #15136

Upgrade

These are the general steps if you are NOT upgrading a MOSH (see below for MOSH's), but please read this full page before starting!

rm /etc/apt/sources.list.d/*
rm /etc/apt/preferences.d/*
sed -i "s/jessie/stretch/" /etc/apt/sources.list
apt update
apt dist-upgrade
gpg --change-passphrase root@$(hostname).mayfirst.org
freepuppet-run
freepuppet-run # again
apt dist-upgrade # again
shutdown -h now # or shutdown -r now for physical hosts

Upgrading a mosh

Run: mf-dist-upgrade-mosh

It will warn you about problems and try to run the entire upgrade with minimal intervention.

Prompted config files

• /etc/logrotate.d/apache2: Do we still need our customizations of this file?
• /etc/systemd/journald.conf: The new default file has some changes to commented out things... we should update ours to reflect the changes
• /etc/systemd/timesyncd.conf: The new default file has some changes to commented out things... we should update ours to reflect the changes
• /etc/cronttab: THe new default has helpful comments... we should update ours to reflect the changes
• /etc/logrotate.conf: new defaults keep less logs around, we should update ours to reflect
• /etc/ssh/sshd_config: I think we have already incorporated these changes
• /etc/default/postfwd
• /etc/default/spamassassin

Next steps

• Examine differences between the new config files and incorporate into puppet as needed
• Re-write mf-dist-upgrade-mosh
• Update red control panel to add php 7.3 option and figure out plan to upgrade everyone
• fix resourcehog