syslog-ng and Fedora Upgrade Stories
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Upgrading syslog-ng PE from version 6 to 7
Learn the major steps necessary to upgrade your system from syslog-ng Premium Edition version 6 to 7. As you will see, it is no more difficult than any other major software version upgrade, and after the upgrade you can start using all the new and useful features that are available in version 7.
Version 7 of syslog-ng Premium Edition (PE) brought quite a lot of changes compared version 6. The main reason for this was that syslog-ng PE source code was synchronized with syslog-ng Open Source Edition (OSE), and initially many of the PE specific features were unavailable in version 7. It also meant, that direct upgrade between version 6 and 7 was not possible.
There are many new features in syslog-ng PE version 7 and most of the old features are available again. Due to this people started to upgrade their old installations and easy upgrade between the two versions became an important topic. Obviously, as with any major software upgrades, there are some limitations, but you do not need start an installation from scratch if you want to migrate from syslog-ng PE version 6 to 7.
Making upgrades easy needed two major changes in syslog-ng PE 7. One is providing backwards compatibility to the old way of configuring features together with warning messages related to changes. The other is handling the persists file – a file containing internal syslog-ng data, like the position until syslog-ng read a source – from the old syslog-ng version properly. Starting with syslog-ng PE 7.0.17 both are handled properly.
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The Changes that November Brought
I realized that Fedora 31 had been released on October 29, so I decided to install it to my laptop three days ago.
Putting on the Fedora is a touchy operation: generally, installing this distro implies a fresh install keeping my home partition, running DNF commands to install the RPM fusion repo afterwards, and finally configuring my brand new Fedora desktop. Although that sounds pretty standard, the problem lies on the fact that I am dealing with a laptop that has OpenMandriva Lx 4, Mageia 7, PCLinuxOS, Elive 3.0, PicarOS Diego, and Pisi Linux. The changes that Fedora makes to the OpenMandriva-controlled GRUB2 regularly lead to a kernel panic in OpenMandriva and a slow start in Mageia.
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