Category Archives: Linux / Unix

~/.ssh/config: Preferring IPv6 SSH Connections

September 12th, 2021

I was interested in forcing ssh to use IPv6 if the connection is available. I considered writing a bash script that would test connectivity and would invoke ssh with the appropriate command line arguments. After reviewing the ssh configuration file documentation, I determined it was possible to implement what I wanted without standalone scripts. I […]

Installed Debian 10.4 on Mini 9

May 24th, 2020

I successfully installed Debian 10.4 on the Dell Mini 9 (Inspiron 910). Facing discontinuation of support for 32-bit x86 systems after Lubuntu 18.04 LTS, I was pressured to find another GNU/Linux distribution. I wanted to avoid future transitions and found several pages on the Internet suggesting that Debian is known for long term support of […]

utmpdump: Dump UTMP and WTMP Files in Raw Format

October 29th, 2019

Login attempts can be tracked in real time with the following command: /bin/utmpdump -f /var/log/btmp I received a Logwatch email reporting a “corruption detected in /var/log/btmp : XX time(s)” issue. By performing an Internet search for the reported issue, I found Gabriel Cánepa’s How to Monitor User Login History on CentOS with utmpdump. Cánepa describes […]

RHEL 8 Application Streams and SCL

August 14th, 2019

Red Hat Enterprise Linux 8 introduces Application Streams. Software Collections (SCLs) are no longer needed in RHEL 8. According to Introducing Application Streams in RHEL 8, Application Streams, containerization, or virtualization can be used to fulfill needs met previously by SCLs. I recently updated PHP and Apache httpd on a CentOS 6 server with Software […]

Installed Lubuntu 13.10 on Mini 9

January 11th, 2014
Posted in Linux / Unix | 1 Comment

I recently installed Lubuntu 13.10 to continue running updated versions of Ubuntu on my Dell Inspiron Mini 9. My Mini 9 was delivered with Hardy Heron (Ubuntu 8.04 LTS), and it will bother me to have installed a different flavor of Linux. The procedure that I describe requires an existing Ubuntu installation and wired ethernet […]