Posted in troubleshooting, Uncategorized on Oct 7th, 2020
Working in a Ubuntu world now, I really miss the Anaconda installer that CentOS/Fedora used. Every time I find myself having a problem with the d-i installer when doing network PXE installs, I find myself grepping and tracing through the source code. While doing a Ubuntu 18 network install with a preseed file (all of which […]
Posted in troubleshooting, Uncategorized on Sep 18th, 2018
Throwing another tidbit of recently found knowledge out here. Along the way with playing different certs on my EAP-TLS I wound up removing the 802.1x password entry from the OS X Keychain (at the time thinking it would help my problem). What I discovered after that, even after reverting my RADIUS server config, I couldn’t […]
Posted in troubleshooting, Uncategorized on May 30th, 2016
My colleague Matthew gave a presentation about bare metal provisioning servers at Facebook on IPv6-only networks at SREcon last month. He discusses the entire process from why we went v6-only, selection of DHCP server and network boot loaders, through installing CentOS on hosts, and all of the gotchas along the way. By audience survey it […]
Posted in troubleshooting, Uncategorized on May 2nd, 2016
It turns out my SuperMicro A1SAI boards made a fucking liar out of me. I bitched and moaned it was 2016 and they didn’t support UEFI PXE booting despite supporting UEFI, but they do. I just didn’t know where to look. Under “PCIe/PCI/PNP Configuration” in boot setup, the “Launch Storage OpROM Policy” and “Launch Network OpROM […]
