Tag: CentOS7

  • nscd on CentOS7 is being stupid

    Today, while “playing” with my servers to get them to use LDAP for authentication, I realized that nscd on CentOS7 (possibly on other Linux distros as well) is being a bit stupid. Normally to get your Linux system to authenticate against LDAP you’d need to adjust quite a few config files (i.e. /etc/openldap/ldap.conf, stuff in…

  • CentOS7 build environment (src.rpm -> rpm)

    One of the things I hate the most about CentOS is the fact that once they release a new version they seem to also lock major versions of various packages with it like for example php or mysql which seem frozen in time, not to mention the kernel. My solution usually is to simply use…

  • KVM – Nested virtualization

    Ever wondered about the possibility of running VMs inside VMs ? If so then you’ll want to read further. In my particular case I have because (might have mentioned this before on my blog) I’m constantly “playing” with stuff for testing and proof of concept reasons. The HOW TO part: 1. Enable the settings for…

  • virt-install kickstart CentOS 7 vs CentOS8

    I’m a fan of KVM (for various reasons, one of which being the fact that it’s there in the kernel for free) and like to automate stuff as much as I can. Every so often I find myself needing to provision VMs to test or to deploy all sorts of setups and when that happens…

  • Patching for zombieload and friends on Linux – Dell Precision 5530

    If you’re like me and like Linux enough to install it on hardware which is sold as a Windows running device then you’ll probably want to keep reading. During the last 1 – 2 years or so we started seeing new vectors of attack being discovered / exploited which unfortunately come from cutting corners when…