Linux Virtualization Part 4: Manage, Monitor, and Control Your Virtual Machines with libvirt
I’ve been writing the last two weeks about Linux virtualization, including how to use Containers and Docker and how to virtualize multiple operating systems on different architectures. We can do many powerful things, but you may be getting worried — how hard is it to control all these widely varying virtualization technologies? There’s good news: […]
Red Hat’s NetworkManager and Firewall Daemon — Nice Ideas, But Not For My Server
I have a suggestion that may look strange at first, but bear with me: Red Hat Enterprise Linux includes two core networking services that should be disabled. Red Hat provides two operating systems, Fedora and Red Hat Enterprise Linux or RHEL. My suggestion makes more sense when we consider how RHEL is developed. Both Fedora […]
RHEL 7 New Features: Samba 4 Changes
I’ve recently been describing some of the many changes in the past few years since Red Hat Enterprise Linux 6 came out. Its successor RHEL 7 have been out for almost a year, but from what I’ve seen both in consulting and in teaching Learning Tree’s Linux server administration & support course and their Linux […]
RHEL 7 Changes: Where Did My Network Interface Go?
There are enormous changes when upgrading from RHEL 6 to 7 (Red Hat Enterprise Linux). It’s not that Red Hat decided to change almost everything. Several different communities working on different projects have independently made significant RHEL 7 changes. These occurred between the release of RHEL 6 in November, 2010, and the release of RHEL […]