Jan
04
2026
Docker Contexts: Managing Multiple Docker Environments
Posted by ebal at 20:35:01 in blog

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Dec
24
2025
Exposing Homelab Services Securely with Traefik, Tailscale, and Lets Encrypt
Posted by ebal at 20:05:43 in blog

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Oct
10
2025
Setting Up Traefik and Let’s Encrypt (ACME) with LuaDNS in Docker
Posted by ebal at 18:46:59 in blog

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Oct
01
2025
Your MacBook can run AI too
Posted by ebal at 19:14:17 in blog

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Sep
21
2025
AI Notes: Using LLM + Perplexity from the terminal
Posted by ebal at 18:56:33 in blog

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Apr
17
2025
Automating Let’s Encrypt Wildcard Certificates with acme.sh and LuaDNS
Posted by ebal at 16:55:57 in blog

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Mar
03
2025
Introduction to Traefik - Part Three
Posted by ebal at 14:27:53 in blog

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Feb
27
2025
Introduction to Traefik - Part Two
Posted by ebal at 17:16:56 in blog

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Feb
27
2025
Introduction to Traefik
Posted by ebal at 09:02:27 in blog

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Nov
27
2024
Creating a kubernetes cluster with kubeadm on Ubuntu 24.04 LTS
Posted by ebal at 18:04:10 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Oct
02
2024
SSH Hardening Ubuntu 24.04 LTS
Posted by ebal at 13:54:38 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
28
2024
Postfix Hardening Ubuntu 24.04 LTS
Posted by ebal at 15:11:40 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
08
2024
Install tailscale to very old linux systems with init script
Posted by ebal at 15:16:04 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
05
2024
Migrate legacy openldap to a docker container.
Posted by ebal at 15:58:23 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
02
2024
How to Install Jellyfin on Samsung Smart TV
Posted by ebal at 18:26:08 in blog

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May
17
2023
Copy specific mailboxes from one account to another in dovecot
Posted by ebal at 19:17:20 in blog

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Apr
21
2023
Migrate docker images to another disk
Posted by ebal at 16:17:57 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Nov
20
2022
BTRFS Snapshot Cron Script
Posted by ebal at 18:49:13 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Nov
19
2022
Baking Qemu KVM Snapshot to Base Image
Posted by ebal at 22:17:42 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Nov
11
2022
GitLab as a Terraform state backend
Posted by ebal at 14:30:10 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Oct
21
2022
Automatically delete files in object storage
Posted by ebal at 12:19:24 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
31
2022
Creating a kubernetes cluster with kubeadm on Ubuntu 22.04 LTS
Posted by ebal at 15:58:41 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
24
2022
Remove Previous GitLab Pipelines from a project
Posted by ebal at 21:44:52 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Feb
10
2022
the peculiar case of urllib2 in python2
Posted by ebal at 13:05:35 in

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Nov
13
2021
Walkthrough Installation of WackoWiki v6.0.25
Posted by ebal at 19:44:55 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
21
2021
wireguard
Posted by ebal at 22:05:08 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
16
2021
LibreDNS DnsOverTLS no ads with systemd-resolved
Posted by ebal at 11:41:58 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
05
2021
Deployed my blog on Kubernetes
Posted by ebal at 12:02:12 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
01
2021
systemd in WSLv2
Posted by ebal at 13:36:14 in blog, planet_ellak, planet_fsfe

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Apr
18
2021
Linux bluetooth HeadSet Audio HSP/HFP WH-1000XM3
Posted by ebal at 08:09:00 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
14
2021
WSLv2 limiting resource usage
Posted by ebal at 11:28:52 in blog, planet_ellak

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Mar
28
2021
Fedora 34 beta visual Installation guide
Posted by ebal at 08:54:14 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Feb
20
2021
How to build your own dyndns with PowerDNS
Posted by ebal at 21:25:40 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
03
2020
BTRFS and RAID1 over LUKS
Posted by ebal at 14:15:38 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Nov
27
2020
Network Booting into Graphical Linux, before it was cool!
Posted by ebal at 15:50:56 in blog

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Sep
12
2020
VMs on KVM with Terraform
Posted by ebal at 19:26:56 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
20
2020
Curse of knowledge
Posted by ebal at 08:59:36 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
23
2020
How to build a SSH Bastion host
Posted by ebal at 20:01:51 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
10
2020
How to use cloud-init with Edis
Posted by ebal at 12:45:09 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
09
2020
a story about inclusion in tech
Posted by ebal at 14:30:40 in blog

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May
16
2020
Network Namespaces - Part Three
Posted by ebal at 21:05:31 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
12
2020
Network Namespaces - Part Two
Posted by ebal at 21:45:35 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
09
2020
Network Namespaces - Part One
Posted by ebal at 08:47:13 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
06
2020
cloudflared as a doh client with libredns
Posted by ebal at 22:14:54 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
27
2020
Run your CI test with GitLab-Runner on your system
Posted by ebal at 08:27:54 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
26
2020
Upgrading from Ubuntu 18.04 LTS to Ubuntu 20.04 LTS
Posted by ebal at 12:47:34 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
25
2020
Ubuntu Server 20.04 LTS walkthrough
Posted by ebal at 10:45:09 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
21
2020
Using LibreDNS with dnscrypt-proxy
Posted by ebal at 20:32:00 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
19
2020
Tools I use daily the Win10 edition
Posted by ebal at 20:53:20 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
15
2020
restic with minio
Posted by ebal at 21:42:37 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jan
22
2020
The story of my first job in Tech Industry
Posted by ebal at 12:33:57 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jan
20
2020
The importance of culture
Posted by ebal at 09:24:49 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
27
2019
How to create an AppImage
Posted by ebal at 00:01:29 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
25
2019
doh-cli, a simple DoH client
Posted by ebal at 19:12:18 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
24
2019
ipname - hostnames for all
Posted by ebal at 22:30:32 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
13
2019
a simple DoH/DoT using only dnsdist
Posted by ebal at 16:53:59 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
08
2019
Kubernetes as a Service with Rancer2 at Hetzner using Terraform and Helm
Posted by ebal at 18:03:20 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Oct
26
2019
LibreDNS has a new AdBlock endpoint
Posted by ebal at 12:00:41 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Oct
15
2019
self-hosted Dns Over Https service
Posted by ebal at 12:01:32 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Sep
28
2019
CentOS 8 NetInstall
Posted by ebal at 19:53:51 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Sep
26
2019
Using template file with terraform
Posted by ebal at 14:07:30 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Sep
20
2019
Partition MisAlignment
Posted by ebal at 17:38:08 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Sep
01
2019
php7 constructor on class extends
Posted by ebal at 14:04:21 in blog

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Aug
24
2019
Walkthrough Installation of WackoWiki v5.5.12
Posted by ebal at 18:56:07 in blog, wiki, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
17
2019
Building Archlinux Packages in Gitlab
Posted by ebal at 18:20:19 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
15
2019
MinIO Intro Notes
Posted by ebal at 20:52:59 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
03
2019
Object storage with Backblaze, Rclone, MinIO and s3cmd
Posted by ebal at 23:18:18 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
20
2019
A Dead Simple VPN
Posted by ebal at 19:00:11 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
18
2019
slack-desktop and xdg-open
Posted by ebal at 21:20:18 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
14
2019
kubernetes with minikube - Intro Notes
Posted by ebal at 18:41:19 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
08
2019
Repair a Faulty Disk in Raid-5
Posted by ebal at 00:09:07 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
03
2019
Down the troubleshooting rabbit-hole
Posted by ebal at 22:06:41 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
20
2019
Tools I use daily the Win10 edition
Posted by ebal at 20:25:39 in blog

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Jun
10
2019
MariaDB Galera Cluster on Ubuntu 18.04.2 LTS
Posted by ebal at 17:24:10 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
08
2019
arch-audit
Posted by ebal at 20:12:54 in blog

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Jun
06
2019
Using OpenTelekomCloud with the native python-openstackclient
Posted by ebal at 11:59:46 in blog

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May
04
2019
Hardening OpenSSH Server
Posted by ebal at 18:03:18 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
01
2019
ansible assertations tests with Loop
Posted by ebal at 20:39:09 in blog

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Mar
10
2019
Generate a random root password aka Ansible Password Plugin
Posted by ebal at 19:00:35 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
03
2019
Scaling automation with ansible-pull
Posted by ebal at 19:22:13 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Feb
27
2019
ansible tips
Posted by ebal at 22:00:13 in blog, planet_ellak, planet_Sysadmin

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Feb
21
2019
ArchLinux WSL
Posted by ebal at 22:50:31 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Feb
11
2019
Flatpak
Posted by ebal at 16:36:26 in blog

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Feb
11
2019
exit codes & I/O Redirection
Posted by ebal at 16:18:53 in blog

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Jan
21
2019
Using Terraform and cloud-init on Hetzner
Posted by ebal at 20:09:06 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
18
2018
Dropbox To End Sync Support For All Filesystems Except Ext4 on Linux
Posted by ebal at 15:26:51 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
15
2018
Setup VLC Remote
Posted by ebal at 19:11:21 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Nov
18
2018
Apple iOS Vs your Linux Mail, Contact and Calendar Server
Posted by ebal at 20:51:19 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Nov
18
2018
Cloud-init with CentOS 7
Posted by ebal at 14:04:17 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Oct
28
2018
Linux Software RAID mismatch Warning
Posted by ebal at 16:18:00 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Oct
20
2018
sharing keyboard and mouse with synergy
Posted by ebal at 21:34:33 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Oct
15
2018
WslRegisterDistribution failed with error: 0×800703fa
Posted by ebal at 09:39:07 in blog

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Sep
23
2018
dovecot mountpoints
Posted by ebal at 11:34:10 in blog

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Sep
06
2018
DevOps Failures, Virtualization Can Help!
Posted by ebal at 11:55:38 in blog

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Aug
18
2018
books
Posted by ebal at 14:27:00 in blog, books

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Jun
13
2018
Terraform Gandi
Posted by ebal at 16:27:49 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
08
2018
Packer by HashiCorp
Posted by ebal at 18:06:40 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
23
2018
CentOS Bootstrap
Posted by ebal at 20:28:38 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
22
2018
Restrict email addresses for sending emails
Posted by ebal at 17:12:34 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
13
2018
USBGuard
Posted by ebal at 18:42:18 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
11
2018
CentOS Dist Upgrade
Posted by ebal at 14:54:38 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
11
2018
Taking Up Serpents
Posted by ebal at 10:53:44 in blog, books

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Apr
29
2018
DNS RPZ with PowerDNS
Posted by ebal at 14:01:53 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
17
2018
Toyota Kata
Posted by ebal at 16:19:03 in blog, books

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Apr
17
2018
Beyond
Posted by ebal at 16:02:00 in blog, books

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Apr
07
2018
Anything You Want
Posted by ebal at 12:31:22 in blog, books

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Apr
05
2018
Nested Loops in Ansible
Posted by ebal at 10:09:02 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
03
2018
How to run Ansible2.5 on CentOS 5
Posted by ebal at 13:35:22 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
31
2018
Working with Yaml and Jinja2 in Python3
Posted by ebal at 18:17:20 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
20
2018
Migrating to PowerDNS
Posted by ebal at 18:47:10 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
14
2018
Let’s Encrypt Wildcard Certificate
Posted by ebal at 12:49:19 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
10
2018
GitLab CI/CD for building RPM
Posted by ebal at 23:28:59 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
04
2018
Encrypted files in Dropbox
Posted by ebal at 19:18:28 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Feb
26
2018
The Goal and The DevOps Handbook
Posted by ebal at 12:44:59 in blog, planet_ellak, books, planet_Sysadmin, planet_fsfe

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Feb
01
2018
containers containers containers
Posted by ebal at 21:08:57 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jan
31
2018
Network-Bound Disk Encryption
Posted by ebal at 23:25:50 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jan
29
2018
The Subtle Art of Not Giving a Fck by Mark Manson
Posted by ebal at 15:50:09 in blog, books

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Jan
24
2018
Ready Player One by Ernest Cline
Posted by ebal at 10:51:48 in blog, planet_ellak, books, planet_Sysadmin, planet_fsfe

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Jan
21
2018
Fabric MiniTutorial
Posted by ebal at 20:27:45 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
25
2017
2FA SSH aka OpenSSH OATH, Two-Factor Authentication
Posted by ebal at 11:17:34 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Dec
04
2017
Install Signal Desktop to Archlinux
Posted by ebal at 22:41:00 in blog, planet_ellak, archlinux, planet_Sysadmin, planet_fsfe

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Oct
25
2017
Autonomous by Annalee Newitz
Posted by ebal at 11:09:35 in blog, planet_ellak, books, planet_Sysadmin, planet_fsfe

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Sep
27
2017
Rspamd Fast, free and open-source spam filtering system
Posted by ebal at 00:05:33 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Sep
23
2017
Walkaway by Cory Doctorow
Posted by ebal at 09:36:47 in planet_ellak, books, planet_Sysadmin, planet_fsfe

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Aug
15
2017
Nagios with PNP4Nagios on CentOS 6.x
Posted by ebal at 18:18:31 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Aug
14
2017
Cosmote υπηρεσία OTEnet Mail
Posted by ebal at 16:53:18 in blog, planet_ellak

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Jul
24
2017
Let’s Encrypt - Auto Renewal
Posted by ebal at 22:03:03 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
14
2017
Install Slack Desktop to Archlinux
Posted by ebal at 10:28:38 in blog, planet_ellak, planet_Sysadmin

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Jul
07
2017
PHP Sorting Iterators
Posted by ebal at 20:24:28 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jul
04
2017
Malicious ReplyTo
Posted by ebal at 07:44:08 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
29
2017
STARTTLS with CRAM-MD5 on dovecot using LDAP
Posted by ebal at 23:06:47 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
25
2017
How to Clean a Coffee Grinder With Rice
Posted by ebal at 14:13:19 in blog

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Jun
23
2017
Visiting ProgressBar HackerSpace in Bratislava
Posted by ebal at 11:34:56 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
20
2017
No Place To Hide
Posted by ebal at 22:10:13 in blog, planet_ellak, books, planet_Sysadmin, planet_fsfe

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Jun
13
2017
Failures will occur, even with ansible and version control systems!
Posted by ebal at 19:57:17 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
04
2017
DNS Certification Authority Authorization
Posted by ebal at 14:39:08 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Jun
04
2017
postfix TLS & ipv6
Posted by ebal at 11:15:04 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
11
2017
time offset and nagios nrpe check
Posted by ebal at 17:18:11 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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May
07
2017
How a slow disk affects your system
Posted by ebal at 10:26:38 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
29
2017
Protecting your Authoritative PowerDNS Server with dnsdist
Posted by ebal at 23:27:56 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Apr
20
2017
Cyberspies: The Secret History of Surveillance, Hacking, and Digital Espionage
Posted by ebal at 16:04:43 in books

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Apr
08
2017
regular expressions in find
Posted by ebal at 17:08:13 in blog, planet_ellak, planet_Sysadmin

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Apr
05
2017
Ghost in the Wires
Posted by ebal at 14:01:46 in books

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Mar
26
2017
swapfile on centos7
Posted by ebal at 18:55:16 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Mar
24
2017
The Phoenix Project
Posted by ebal at 20:02:11 in blog, books

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Feb
25
2017
Docker Swarm a native clustering system
Posted by ebal at 21:19:36 in blog, planet_ellak, planet_Sysadmin

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Feb
14
2017
LDAP User Authentication on CentOS 7
Posted by ebal at 00:19:36 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Feb
09
2017
free-as-in-freedom Google Apps on Fairphone Android
Posted by ebal at 19:03:26 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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Feb
08
2017
upgrading baikal - contact calendar server
Posted by ebal at 11:19:28 in blog, planet_ellak, planet_Sysadmin

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Jan
29
2017
PHP Recursive Directory File Listing
Posted by ebal at 09:53:49 in blog, planet_ellak, planet_Sysadmin

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Jan
25
2017
ffmpeg video from images
Posted by ebal at 13:27:39 in blog, planet_ellak, planet_Sysadmin

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Jan
10
2017
Tools I use daily
Posted by ebal at 22:01:47 in blog, planet_ellak, planet_Sysadmin

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Dec
22
2016
Elasticsearch, Logstash, Kibana or ELK Crash Course 101
Posted by ebal at 22:42:52 in blog, planet_ellak, planet_Sysadmin

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Nov
17
2016
enlarge your disk image aka windows extend volume
Posted by ebal at 10:45:40 in blog, planet_ellak, planet_Sysadmin

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Oct
26
2016
Thunderbird Enigmail
Posted by ebal at 22:26:55 in blog, planet_ellak, planet_Sysadmin

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Oct
17
2016
Linux Raid mdadm md0
Posted by ebal at 15:38:08 in blog, planet_ellak, planet_Sysadmin

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Oct
11
2016
Find your hard disk model
Posted by ebal at 09:30:15 in blog, planet_ellak, planet_Sysadmin

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Oct
10
2016
JS get HTML code from a DIV element
Posted by ebal at 11:43:51 in blog, planet_ellak, planet_Sysadmin

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Aug
22
2016
Read It Later or Read It Never ?
Posted by ebal at 17:42:20 in blog, planet_ellak, planet_Sysadmin

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Aug
04
2016
Open compressed file with gzip zcat perl php lua python
Posted by ebal at 18:12:06 in blog, planet_ellak, planet_Sysadmin

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Aug
03
2016
How to dockerize a live system
Posted by ebal at 15:20:57 in blog, planet_ellak, planet_Sysadmin

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Jul
21
2016
Gaggia Classic - Graef CM 800
Posted by ebal at 09:15:57 in blog

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