Fix Duplicating Certificates in FreeIPA

While practicing with certificates reqeust using FreeIPA, I came across this duplicated certificates for the first time. This happened because I also practiced the same thing a few weeks ago. Here is how to re-produce this message: [root@client ~]# ipa-getcert request \ -f /etc/vsftpd/certs/cert.pem \ -k /etc/vsftpd/certs/cert.key \ -K ftp/client.lab.example.net \ -D client.lab.example.net Certificate at same location is already used by request with nickname "20201008131445". Because I’m still not familiar yet with FreeIPA on this certificate topic, I turned to Google search and found very useful information on this blog post: Dealing with Duplicate SSL certs from FreeIPA....

October 30, 2020 · 3 min · 450 words · kenno

BIOS Firmware for ThinkPad P1 Gen1 1.32

Lenovo just released a new BIOS firmware for its ThinkPad P1 Gen 1, v1.32. This version fixes a few issues, as well as update the CPU microcode. Here is the changes from Lenovo’s website. CHANGES IN THIS RELEASE Version 1.32 [Important updates] - Addresses CVE-2020-8696, CVE-2020-8698 - Addresses CVE-2020-8694, CVE-2020-8695 [New functions or enhancements] - Updated the CPU microcode. [Problem fixes] - Fixed an issue where system might hang up at POST when some KVM device was connected....

October 25, 2020 · 1 min · 203 words · kenno

Firewalld, nftables, and libvirt on Gentoo

After many and many weeks, I finally got libvirt working on this Gentoo machine. Before revealing how I’ve fixed this problem, let’s go through what the issues were. On this Gentoo I run Firewalld with nftables as backend. An alternative to nftables is iptables, but since nftables is newer and is becoming the default backend for more and more distribution including Fedora, I think it’s a good thing to adobt it early....

October 17, 2020 · 4 min · 801 words · kenno

Tmux - Open Terminal Failed Can't Find Terminfo Database

Apart from being an aparent Linux user, I’m also a fan of FreeBSD. A few years ago I challenged myself to perform all work related tasks on a FreeBSD machine for 6 months. It turned out that FreeBSD’s been working out quite well as a general usage work desktop. Today, I’d like to share a quick solution to a small annoying issue that may or may not affect you when you’re using FreeBSD....

October 15, 2020 · 2 min · 267 words · kenno

Dell Latitude 7400 System BIOS 1.10.1

Just found out that Dell just released the a new firmware, 1.10.1, for the Latitude 7400 series. This firmeware was released since 10 Sep 2020. Fixes: Firmware updates to address the Intel Technical Advisory INTEL-TA-00404 (CVE-2020-8758). Fixed the issue where an error message stating Key Mapping for Console Redirection BIOS is displayed before the Dell logo screen, Enhancements: Updated the Embedded Controller Engine firmware. I’m running Fedora 32 on this laptop....

October 1, 2020 · 2 min · 230 words · kenno