The Pi has a hardware random number generator. Source. Hat tip. This is running Centos 7. It presents as /dev/hwrng. yum install rng-tools systemctl enable rngd systemctl start rngd # rngd -l Entropy sources that are available but disabled 1: TPM RNG Device 4: NIST Network Entropy Beacon Oh. It’s running as a daemon on […]
Part 1 – running tftp server non root (xinetd) Part 2 – the tftp client requires firewalld changes as well Part 3 – replacing xinetd with systemd (this blog post) Oooh, nice one systemd. During my investigation in Part 1, I tried to eliminate xinetd as the reason for the misbehaviour. I started up the […]
Part 1 – running tftp server non root (xinetd) Part 2 – the tftp client requires firewalld changes as well (this blog post) Part 3 – replacing xinetd with systemd firewalld change on TFTP clients The rest of this blog post will elaborate on what happens if you don’t do this. The quick bit […]
I was trying to get the components of my PXE build server working; ie: http and tftp. xinetd and tftpd installed on Centos 7 (on a pi.) tftp client installed on Centos 7. Both with firewalld and selinux enforcing. I stumbled over a few things in the process, and have reposted that information in three […]
I’ve not used RH Bugzilla much, and want to learn from my limited exposure to save time later. That’s what this post is for: it will be updated and change in the future. Searching for existing bugs You’re looking for a recent bug; such as a misbehaviour in a package you’ve just upgraded to. Use […]
This is mainly for my reference, and will get updated from time to time. More systemd stuff via the systemd tag. Introduction On systems with init.d start scripts, if it was necessary to modify a boot script, updating the package would back out the change. Systemd provides a number of ways to change the behaviour […]
Two main things covered off in this post: Getting libvirt-guests to work correctly, and machined/machinectl libvirt-guests This is configured via /etc/sysconfig/libvirt-guests and there’s a systemd service to enable: libvirt-guests.service Enabling it allows you to configure how guests start and stop with more flexibility. Some features libvirt-guests provides: On host shutdown, suspend the guests or shut […]
