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Operating systems

Operating systems

RHEL 8 Beta

Vratislav Hutsky Dec 29, 2018 Tagged with desktop, kvm, linux, OS, RHEL

Beta version of Red Hat Enterprise Linux 8.0 was announced recently. It can be downloaded without …

RHEL 8 Beta Read more →

Operating systems

Migration from OpenLDAP 2.3 to 2.4

Vratislav Hutsky Aug 25, 2018 Tagged with centos, ldap, linux

Note: I wrote this post during Christmas break 2017, but it took me some time before …

Migration from OpenLDAP 2.3 to 2.4 Read more →

Hardware, Operating systems

Debian buster and wake on lan

Vratislav Hutsky Mar 3, 2018 Tagged with debian, linux, networking

For quite some time, I used to have a low-end motherboard that didn’t support Wake on …

Debian buster and wake on lan Read more →

Hardware, Operating systems

KVM: Cannot find any matching source devices for logical volume group vg2

Vratislav Hutsky Jan 7, 2018 Tagged with centos, hardware, linux

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 →

Operating systems

IPv6 with gateway in a different subnet

Vratislav Hutsky Sep 15, 2017 Tagged with centos, networking

I’ve run across this peculiar problem. I was trying to set up IPv6 on a Centos …

IPv6 with gateway in a different subnet Read more →

Operating systems

header_checks and Spamassassin headers in Postfix 2.6

Vratislav Hutsky Jul 3, 2016 Tagged with centos, linux, networking

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 →

Operating systems, Web-related

Apache and umask 002

Vratislav Hutsky Jun 9, 2016 Tagged with apache, centos, linux, nginx, web

I ran into a problem with Apache on Centos 6. For some time, I was the only …

Apache and umask 002 Read more →

Hardware, Operating systems

“Lazy” Synolocker

Vratislav Hutsky Mar 26, 2016 Tagged with hardware, NAS

A funny thing happened to me the other day. Someone brought me a 4-bay Synology NAS …

“Lazy” Synolocker Read more →

Operating systems

Centos 7 – bridge for KVM

Vratislav Hutsky Feb 25, 2016 Tagged with centos, linux, networking, OS

I got a machine on which I wanted to try Centos 7 and KVM virtualization. As …

Centos 7 – bridge for KVM Read more →

General thoughts, Operating systems

Systemd problem

Vratislav Hutsky Feb 11, 2016 Tagged with debian, OS

At home, I’ve been using rolling release of Debian for my desktop for quite some time. …

Systemd problem Read more →

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About me

linkedinMy name is Vratislav Hutsky. I work as a Senior Manager at Red Hat. Before that, I was a freelance server admin and developer.

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