Well, recently came into the problem that I had some configuration that requires porting, I think. I wanted to get into the DNF scene, whilst Centos 7 still uses yum by default.
From Yum to DNF
I installed dnf, simply using.
yum install dnf
The packages yum, yum-plugin-fastestmirror, yum-utils are now no longer needed. Your original configuration file can then be found in yum.conf.rpmsave.
I installed "dnf-yum", to be able to use yum as a automatic redirect to dnf.
Yum.conf
The /etc/yum.conf shall have been replaced with /etc/dnf/dnf.conf.
Yum cron jobs
In DNF, this is replaced by the package "dnf-automatic"
3. The configuration of which is in /etc/dnf/automatic.conf.
Removed package
yum-cron as it is no longer needed.
To get started:
systemctl enable dnf-automatic.timer && systemctl start dnf-automatic.timer
To list the timers set:
systemctl list-timers *dnf-* -all
Excluding packages
I have added the java* packages to the exclude directive in yum.conf
1.
Of course, I do wish to manually install the java updates along with all the other updates
2. To do this I can use the command line:
yum --disableexcludes=all update
These switches in the commandline and changes in the config file of yum are ported identically over to dnf. So that's not a problem.
Yum Repos
Apparently, DNF still uses all the repositories defined under /etc/yum.repos.d. So that's a relief.
References
- [1] Redhat - How do I exclude kernel or other packages from getting updated in Red Hat Enterprise Linux while updating system via yum?
- https://access.redhat.com/solutions/10185
- [2] nixCraft - Force yum update Command To Exclude Certain Packages
- http://www.cyberciti.biz/faq/redhat-centos-linux-yum-update-exclude-packages/
- [3] Fedora Project - AutoUpdates
- https://fedoraproject.org/wiki/AutoUpdates
