Symptoms I’ve encountered this error after upgrading a RHV 4.3 environment to 4.4 and since this release already permits updating both the cluster and the data center to 4.5 (I’d have expected 4.4) I tried and failed a couple of times because upgrading the cluster level to 4.4 always failed because of a couple of … more
… and removing the bullet yourself. Backstory One part of a network I’ve been caring for uses Cisco WLC 3504’s with 1852i APs (802.11ac Wave 2). Moving to new hardware also enabled me to revisit some options the old setup had previously needed to drag forward. Compard to the previous 1602i’s these newer APs supported … more
I’ve worked on a network upgrading from Netgear M4100 to M4300 switches, with the intent to upgrade from 1000BASE-SX SFP modules to 10GBASE-SR SFP+ modules in a second step since the M4300 are SFP/SFP+ slots. All (that is most) links initially were left at 1G using the SFP modules from the M4100 until we’d swap … more
Introduction: On good and and bad luck … and likely some bad practise: Sometimes bad and good luck come together bringing both things together. I had my FreeNAS Mini box humming on 11.1-U1 and … like I regularly do after waiting a couple of days after a release: Update the OS not expecting any major … more
Many server vendors ship their servers with branded MegaRAID RAID controllers. The relationship I have with the many flavours they come in is sometimes a bit poluted I dare to saay. An excellent quick guide to the more modern StorCLI utility available to Linux, Windows, FreeBSD and others is Thomas Krenn’s Wiki page on StorCLI. … more
Although announced a bit more than a month ago on the FreeRADIUS-users list, I though I might mention the package repository that I maintain for FreeRADIUS on Debian: Welcome 1Labs Packages! There you can find: Point releases for Debian jessie and wheezy of 3.0 (Bi-)weekly snapshots for Debian jessie and wheezy of 3.0 (Bi-)weekly snapshots … more
Since I migrated a FreeRADIUS 2.x server to 3.0 (finally!) I ran across some syntactical changes that have been in this release branch and sharing a small bit on the experience here on my blog. Do I have redo my config from scratch? The good news from my experience: No. If you haven’t totally messed … more
These are notes on a system I made a couple of months ago but never got around polishing up, but finally kicked it out At time of writing the Sun Fire v210, a entry-level UltraSPARC IIIi server from around 2003 was already dated, nonetheless I was able to get my hands on such a machine including … more
Just something quick, when you have to find the IP address of a host that is tacking its MAC address via DHCP – and you don’t have access to the DHCP server in charge and its logs about given leases. There are a couple of ways doing so, and mine is likely not the most … more
Recently I had the need to get myself a VPN since I was more travelling and had to use networks with proxies that not only blocked illegal sites, but yielded timeouts on perfectly legal content. Using BSDnow’s excellent OpenVPN tutorial I whent ahead in a breeze. But normally I use OpenVPN to connect to a remote (internal) network. This time … more