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systemd-networkd on Ubuntu 16.04 LTS (Xenial)

··529 words·3 mins
My OpenStack cloud depends on Ubuntu, and the latest release of OpenStack-Ansible (what I use to deploy OpenStack) requires Ubuntu 16.

Display auditd messages with journalctl

··525 words·3 mins
All systems running systemd come with a powerful tool for reviewing the system journal: journalctl.


Tinkering with systemd’s predictable network names

··549 words·3 mins
I’ve talked about predictable network names (and seemingly unpredictable ones) on the blog before, but some readers asked me how they could alter the network naming to fit a particular situation.


GRE tunnels with systemd-networkd

··868 words·5 mins
Switching to systemd-networkd for managing your networking interfaces makes things quite a bit simpler over standard networking scripts or NetworkManager.

Understanding systemd’s predictable network device names

··1310 words·7 mins
I talked a bit about systemd’s network device name in my earlier post about systemd-networkd and bonding and I received some questions about how systemd rolls through the possible names of network devices to choose the final name.

Very slow ssh logins on Fedora 22

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I’ve recently set up a Fedora 22 firewall/router at home (more on that later) and I noticed that remote ssh logins were extremely slow.

Automatic package updates with dnf

··354 words·2 mins
With Fedora 22’s release date quickly approaching, it’s time to familiarize yourself with dnf.


Unexpected predictable network naming with systemd

··472 words·3 mins
While using a Dell R720 at work today, we stumbled upon a problem where the predictable network device naming with systemd gave us some unpredictable results.