↓ Skip to Main Content

[Vratislav].[Hut][Sky].[Net]

Main Navigation

  • Home

Tag: linux

Migration from OpenLDAP 2.3 to 2.4

By Vratislav Hutsky Posted on 25. 8. 2018 Posted in Operating systems Tagged with centos, ldap, linux

Note: I wrote this post during Christmas break 2017, but it took me some time before I managed to give it a better form, verify the steps again and publish it. Hence some Xmas references in a text published during …

Migration from OpenLDAP 2.3 to 2.4 Read more »

Debian buster and wake on lan

By Vratislav Hutsky Posted on 3. 3. 2018 Posted in Hardware, Operating systems Tagged with debian, linux, networking

For quite some time, I used to have a low-end motherboard that didn’t support Wake on LAN. So when I left for work or holiday, I would usually leave my home PC on, because sometimes I just needed to access …

Debian buster and wake on lan Read more »

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

By Vratislav Hutsky Posted on 7. 1. 2018 Posted in Hardware, Operating systems Tagged with centos, hardware, linux

I installed Centos 7 on a brand new machine about a half a year ago, and set up KVM with two data pools – one just a regular directory for old raw images, the second being an LVM volume group. …

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

Scroll emulation with Trackman Marble in Debian 9

By Vratislav Hutsky Posted on 4. 2. 2017 Posted in Hardware Tagged with debian, hardware, linux, mate

Spending a lot of time with mouse and keyboard, I decided I would give it a try with trackball. A friend lent me Logitech Trackman Marble for a week to see if I can get used to it. The one …

Scroll emulation with Trackman Marble in Debian 9 Read more »

header_checks and Spamassassin headers in Postfix 2.6

By Vratislav Hutsky Posted on 3. 7. 2016 Posted in Operating systems Tagged with centos, linux, networking

I’ve had this mail server of mine for some time. I was an early adopter of Gmail back then, but as years went on and it became obvious that messages were data-mined by Gmail, I eventually started running my own …

header_checks and Spamassassin headers in Postfix 2.6 Read more »

Apache and umask 002

By Vratislav Hutsky Posted on 9. 6. 2016 Posted in Operating systems, Web-related Tagged with apache, centos, linux, nginx, web

I ran into a problem with Apache on Centos 6. For some time, I was the only person who had access to this particular machine so permissions were not a problem. However, now that somebody else is taking care of the website …

Apache and umask 002 Read more »

Centos 7 – bridge for KVM

By Vratislav Hutsky Posted on 25. 2. 2016 Posted in Operating systems Tagged with centos, linux, networking, OS

I got a machine on which I wanted to try Centos 7 and KVM virtualization. As usual, I had to search for how to do a network bridge as it’s been quite long since I did it last time (on …

Centos 7 – bridge for KVM Read more »

AWK – print no newline

By Vratislav Hutsky Posted on 16. 12. 2014 Posted in Operating systems Tagged with awk, linux, shell

Using awk to display information, the print function, by default, adds newline after each iteration. I wanted to copy the results and use them as an actual array in a program and preferred to have them all on one line, …

AWK – print no newline Read more »

Grep result to a shell variable – no line breaks

By admin Posted on 3. 12. 2014 Posted in Programming Tagged with linux, shell, web

There was this website containing regularly updated content I wanted to follow. Unfortunately, they had no RSS feed available and I didn’t feel like checking on the website every now and then. Also, what I needed was just the posts …

Grep result to a shell variable – no line breaks Read more »

Mount a disk image containing LVM

By Vratislav Hutsky Posted on 3. 6. 2014 Posted in Operating systems Tagged with linux, OS

If you have an image with standard partitions, you can mount any partition as a loopback device using the offset given by fdisk: user@machine:/home/user# fdisk -l disk.img Disk disk.img: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total …

Mount a disk image containing LVM Read more »

Posts pagination

Previous 1 2 3 Next

About me

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

Categories

  • Games (7)
  • General thoughts (13)
  • Hardware (9)
  • jQuery (3)
  • Mobile web (1)
  • Operating systems (34)
  • Programming (9)
  • Web-related (9)

Other links

  • atomicbee.cz
  • github
  • Mastodon

Tags

ajax apache awk browser centos css debian desktop dosbox email ERP framework games git gnome hardware html javascript jQuery kohana kvm ldap linux LXDE mate Mobile web mysql NAS networking nginx opensolaris OS perl php postgresql python remote desktop RHEL rpg shell ubuntu vim web windows yii
Copyright © 2025 [Vratislav].[Hut][Sky].[Net] | Powered by Responsive Theme