Updated over 6 years ago by Jack Aponte

• Table of contents
• Debian 8 to 9
  • Update sources list
  • Upgrade the system
    • Check for Necessary Disk Space
    • Update the sources
    • Minimal Upgrade
    • Full Upgrade
    • Upgrade MySQL databases (if MySQL/MariaDB installed)
  • Common problems
    • iBackup
    • backupninja
    • samba-ad-dc
    • Removing old versions of interpreters.

Debian 8 to 9¶

Update sources list¶

vim /etc/apt/sources.list

:%s/jessie/stretch/g

Upgrade the system¶

Check for Necessary Disk Space¶

apt-get -o APT::Get::Trivial-Only=true dist-upgrade

Update the sources¶

apt-get update

Minimal Upgrade¶

 apt-get upgrade

Full Upgrade¶

apt-get dist-upgrade

Upgrade MySQL databases (if MySQL/MariaDB installed)¶

mysql_upgrade

Common problems¶

iBackup¶

PT ticket #35194-19

header.pl and constants.pm are in the ibackup directory but perl on debian does not look in the local directory for @INC.
to fix copy both header.pl and Constants.pm into /etc/perl/

backupninja¶

Until backupninja gets the fixes pushed out to the Debian repo (PT ticket #35353), errors like these may be reported by backupninja:

    CRITICAL - 38 errors or warnings
May 27 01:00:03 Warning: The partition table for /dev/ram0 could not be saved.
May 27 01:00:03 Warning: The partition table for /dev/ram1 could not be saved.
May 27 01:00:03 Warning: The partition table for /dev/ram2 could not be saved.

Resolution: add partitions = no to job 15/in 15-info.sys.

samba-ad-dc¶

if Samba is in AD-DC mode, it and winbind fail.
do these commands, then try to run the upgrade again

systemctl stop smbd nmbd winbind
systemctl disable smbd nmbd winbind
systemctl unmask samba-ad-dc
systemctl start samba-ad-dc
systemctl enable samba-ad-dc

https://lists.samba.org/archive/samba/2017-July/209972.html

Removing old versions of interpreters.¶

PHP5 (and Ruby 2.1) are not removed by default and will still be used if loaded!
If there is no need for these things to exist remove them with apt-get uninstall.

https://www.howtoforge.com/tutorial/how-to-upgrade-debian-8-jessie-to-9-stretch/