Lukáš Zapletal
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linux
2022
Why Mastodon instances are difficult to scale
November 10, 2022
Apache2 http logging into journald ring buffer
November 7, 2022
Lightweight Mastodon instance: gotosocial
November 6, 2022
HTTP UEFI Boot with TianoCore libvirt
November 5, 2022
Send warning email when your drive is dying
October 22, 2022
The ultimate git hook to prevent push accidents
October 13, 2022
SQL joins really explained
September 2, 2022
Two DHCP servers in a libvirt network
February 23, 2022
Easy VM access with routed libvirt mode
February 23, 2022
Fast backups of Fedora with btrbk
January 25, 2022
2021
Fedora Silverlight: not only for your grandma
November 11, 2021
A sane vim configuration for Fedora
November 11, 2021
Denormalizing PostgreSQL join tables
August 30, 2021
Finding the right cost for bcrypt/pbkdf2
May 11, 2021
Crop and resize video to get rid of borders
April 19, 2021
FreeIPA and Foreman Proxy development setup
April 12, 2021
The Lounge web IRC client in Fedora
March 31, 2021
Letsencrypt a Fedora server
March 31, 2021
Enable serial console for libvirt
March 31, 2021
Thunderbolt bridge connection in Fedora 33
February 27, 2021
What is waking my HDD up in Linux
February 22, 2021
Use btrfs compression in Fedora 33
February 21, 2021
Remove rsyslog and use journald in Fedora
February 21, 2021
Installing Unifi Controller on Fedora 33
February 21, 2021
Helper script for easy cherry picks with git
February 19, 2021
Disabling Tracker in Fedora
February 2, 2021
Booting S390x libvirt VMs over network
February 2, 2021
Raspbery Pi as a Brother print server
February 1, 2021
Install RHEL 8.3 for free production use in a VM
January 20, 2021
Demux, mux and cut MP4 in ffmpeg
January 20, 2021
Normalizing audio and video files
January 13, 2021
RHEL/CentOS 8 shim kernel signatures
January 4, 2021
2020
Swap mouse buttons via key shortcut in Gnome
December 2, 2020
Backup your keys from Authy to cleartext
October 19, 2020
Enable video acceleration on Intel IGP in Fedora
October 16, 2020
Foreman development setup with libvirt 2020
September 22, 2020
Creating Windows 10 bootable USB drive
September 22, 2020
Overriding Gnome application command arguments
September 3, 2020
Prevent virt-manager from asking password
August 21, 2020
Dropping Feedburner update RSS ATOM URL
August 6, 2020
ASUS B350 PLUS EFI settings for Linux
August 5, 2020
Restore Windows EFI boot entry
July 21, 2020
Force PulseAudio to ignore a card
July 1, 2020
On git master, main and inclusion
June 19, 2020
Linux desktop notifications on your smart phone or watch
March 10, 2020
Fedora 31 and AMD Radeon 5600 XT
March 4, 2020
Linux as a L2 VLAN switch
February 19, 2020
AAAA DNS record in libvirt
January 31, 2020
Messing with CentOS 8 kickstart in libvirt
January 23, 2020
Setting a firewalld zone for libvirt network
January 14, 2020
Installing Unifi Controller on CentOS 8
January 13, 2020
Deploy PhotoPrism in CentOS 8
January 12, 2020
Samba and NFS shared folder on CentOS 8
January 11, 2020
How to get rid of Activate web console in CentOS 8
January 11, 2020
Configuring HDD to spin down in Linux via SMART
January 8, 2020
Values for WD idle time in Linux
January 7, 2020
2019
Minecraft server PMMP on Raspberry Pi 4B
December 11, 2019
Easy libvirt IPv6 routed network
December 10, 2019
How to easily send e-mails via mailx
November 27, 2019
Simple script to record a window and audio in Linux
November 25, 2019
Testing TLS CA, server and client certs
September 5, 2019
Hidden gem of Fedora: lbzip2
August 23, 2019
Capture and playback UDP packets
August 13, 2019
ThinkPad X1 Carbon 6th gen on Fedora
July 23, 2019
Slow boot: LVM2 PV scan on device
June 11, 2019
Switching from i3status to barista
June 7, 2019
Configuring Eaton 3S UPS with Fedora 30
June 7, 2019
How to report a SELinux bug
June 4, 2019
Different yum behavior in RHEL7 and 8
June 4, 2019
Installing Ansible Engine 2.8 on RHEL 8
June 3, 2019
LVM cache in six easy steps
May 20, 2019
Connecting a physical host to libvirt NAT network
February 19, 2019
Set the default route via nmcli
February 18, 2019
Linux as NAT server in two easy steps
February 18, 2019
Nice launcher for i3wm: xlunch
February 8, 2019
How to convert song to YouTube
February 7, 2019
2018
Delivering cron and logwatch emails to gmail in RHEL
September 19, 2018
Switching to Universal Ctags
September 18, 2018
Capturing Ruby backtrace in Sublime Text 3
September 5, 2018
Tracing Ruby apps with PCP
March 21, 2018
On generating kickstart passwords
February 27, 2018
Accessing libvirt VMs via telnet
February 20, 2018
Hidden gem of Fedora: virt-builder
February 6, 2018
How to remove file from last commit
February 1, 2018
2017
Definitive solution to libvirt guest naming
October 10, 2017
Ryzen and Linux is a disaster (2017)
October 6, 2017
EFI with libvirt in RHEL7
October 3, 2017
CentOS and security updates
August 1, 2017
Git auto fetch script I run every day
July 17, 2017
Ryzen workstation build 2017
June 7, 2017
PulseAudio headset switcher
April 13, 2017
2016
XTerm Zen mode
October 14, 2016
Hidden feature of Fedora 24: Live PXE boot
August 16, 2016
Probing Ruby 2.0 apps with SystemTap in RHEL7
August 2, 2016
Brother MFC L2700DW and Fedora 20-33
July 7, 2016
Hidden gem of Fedora: git xcleaner
May 6, 2016
Human readable name generator
March 7, 2016
Upgraded to Jekyll 3.0
February 22, 2016
2015
Served by CloudFlare
December 16, 2015
Image based deployment via dd and nbd
November 20, 2015
Foreman and PXE less environments
October 7, 2015
Fedora 22 libvirt with bridge
September 24, 2015
How to configure NFS firewall in RHEL7
September 11, 2015
Configure journal on your Fedora
April 1, 2015
Speech compressor and limiter for your headset in Fedora
January 7, 2015
2014
EFI in QEMU KVM on Fedora 20
September 30, 2014
Tunnel into your libvirt NAT network with SOCKS
July 31, 2014
Track short lived processes with auditd
May 27, 2014
SystemTap as a system wide strace tool
May 16, 2014
Virt builder quick provision script
May 15, 2014
Hidden feature of Fedora 20 - pass cli manager
April 15, 2014
SELinux Puppet update in Fedora 20 and Rawhide
April 10, 2014
Get any GDI printer to work on RHEL6
April 2, 2014
2013
Linux 3.13+ on Zyxel NSA 310
December 8, 2013
How to reach your Fedora/RHEL behind NAT
November 27, 2013
How to TRIM your encrypted SSD in Fedora 19
November 14, 2013
How to backup/migrate entire partitions easily
November 14, 2013
Installing Win XP/7/8 in RHEL6 KVM
November 8, 2013
Execute command during start with systemd
August 30, 2013
Hidden gems of xterm
July 17, 2013
OpenVPN root down plugin update in Fedora 18
May 23, 2013
Managing many servers with Foreman
April 10, 2013
Extracting strings for gettext with Vim
April 3, 2013
Git in Practice slides
March 25, 2013
Katello on TorqueBox talk recording
March 21, 2013
Booting 3.8+ kernels on Marwell Kirkwood ARM Zyxel NSA 310
March 17, 2013
Never lost your bash history again
March 11, 2013
Migrate Fedora 18 to LightDM
March 7, 2013
Katello on Torquebox talk from Dev Conf 2013
February 25, 2013
Faster backporting with git, ssh and patch
January 23, 2013
2012
Vim use case - fast edit in buffers
December 10, 2012
Vim use case - make and quick fix
December 6, 2012
Writing katello upgrade script
November 28, 2012
Want faster Java startups in Fedora?
November 19, 2012
Ruby 1.9 MRI vs Google Dart 0.2 TP
November 7, 2012
Three way git merging with meld
September 17, 2012
Ultra simple DHCP and caching DNS on RHEL6
September 16, 2012
The i3 4.2 tiling win manager
August 28, 2012
Meaningful use of the ThinkPad's ThinkVantage button
August 26, 2012
HTML and XHTML built in support in Vim
August 20, 2012
Like vi and mc? Try vifm
August 1, 2012
My Git aliases again
July 30, 2012
New firstboot option in snap guest
July 26, 2012
Initializing git repo with httpd anon access
July 26, 2012
2011
We are all celebrating soon
April 8, 2011
Skenovací server v Linuxu
February 24, 2011
ARM - procesory budoucnosti?
January 7, 2011
2010
Jsem RHCSA a RHCE
December 18, 2010
Poraďte prográmek na fotky v Linuxu
November 21, 2010
NetworkManager z příkazové řádky
October 25, 2010
Sdílení historie mezi terminály
October 20, 2010
IntelliJ IDEA a OpenJDK
September 16, 2010
Testování PAMu
September 14, 2010
Co na Linuxu smrdí - F1
July 22, 2010
Softwarový RAID v Linuxu
July 8, 2010
Bolí vás z autotools hlava? Zkuste waf!
June 1, 2010
Linux na desktopu se blíži (Stay Tuned)
April 25, 2010