Upgrade Postgresql from 9.3 to 11
I had to update an already unsupported Postgresql instance running on version 9.3 to the latest …
Tag: linux
RHEL 8 Beta
Beta version of Red Hat Enterprise Linux 8.0 was announced recently. It can be downloaded without …
Migration from OpenLDAP 2.3 to 2.4
Note: I wrote this post during Christmas break 2017, but it took me some time before …
Debian buster and wake on lan
For quite some time, I used to have a low-end motherboard that didn’t support Wake on …
KVM: Cannot find any matching source devices for logical volume group vg2
I installed Centos 7 on a brand new machine about a half a year ago, and …
KVM: Cannot find any matching source devices for logical volume group vg2 Read more →
Scroll emulation with Trackman Marble in Debian 9
Spending a lot of time with mouse and keyboard, I decided I would give it a …
Scroll emulation with Trackman Marble in Debian 9 Read more →
header_checks and Spamassassin headers in Postfix 2.6
I’ve had this mail server of mine for some time. I was an early adopter of …
header_checks and Spamassassin headers in Postfix 2.6 Read more →
Apache and umask 002
I ran into a problem with Apache on Centos 6. For some time, I was the only …
Centos 7 – bridge for KVM
I got a machine on which I wanted to try Centos 7 and KVM virtualization. As …
AWK – print no newline
Using awk to display information, the print function, by default, adds newline after each iteration. I …