Evaggelos Balaskas - System Engineer

The sky above the port was the color of television, tuned to a dead channel

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

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    Tag(s): docker, context, docker-context
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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    Tag(s): traefik, letsencrypt, immch, luadns, tailscale
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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    Tag(s): Traefik, letsencrypt, acme, luadns
Oct
01
2025
Your MacBook can run AI too
Posted by ebal at 19:14:17 in blog

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    Tag(s): llm, mistral, ai, macbook
Sep
21
2025
AI Notes: Using LLM + Perplexity from the terminal
Posted by ebal at 18:56:33 in blog

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    Tag(s): llm, perplexity, ai
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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    Tag(s): letsencrypt, acme, acme.sh, luadns
Mar
03
2025
Introduction to Traefik - Part Three
Posted by ebal at 14:27:53 in blog

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    Tag(s): Traefik, docker-compose
Feb
27
2025
Introduction to Traefik - Part Two
Posted by ebal at 17:16:56 in blog

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    Tag(s): Traefik, docker-compose
Feb
27
2025
Introduction to Traefik
Posted by ebal at 09:02:27 in blog

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    Tag(s): Traefik, docker, docker-compose
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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    Tag(s): SSH, ubuntu, 24.04, hardening
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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    Tag(s): postfix, TLS, ubuntu
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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    Tag(s): centos6, tailscale, init
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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    Tag(s): openldap, docker, bitnami, docker-compose
Mar
02
2024
How to Install Jellyfin on Samsung Smart TV
Posted by ebal at 18:26:08 in blog

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    Tag(s): jellyfin, samsung, tizen, smarttv
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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    Tag(s): dovecot
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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    Tag(s): docker, btrfs
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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    Tag(s): btrfs, subvolume, snapshot
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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    Tag(s): qemu, kvm, libvirt, snapshot
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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    Tag(s): gitlab, terraform
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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    Tag(s): OBS, bucket, OTC, cloud
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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    Tag(s): kubernetes, ubuntu, terraform, kubeadm, 22.04, k8s
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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    Tag(s): gitlab, api, pipeline
Feb
10
2022
the peculiar case of urllib2 in python2
Posted by ebal at 13:05:35 in

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    Tag(s): python2, ssl
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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    Tag(s): wacko, wiki
Jul
21
2021
wireguard
Posted by ebal at 22:05:08 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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    Tag(s): wireguard, vpn
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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    Tag(s): LibreDNS, systemd, DoT
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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    Tag(s): kubernetes, k8s, k3s, helm, terraform
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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    Tag(s): fedora, bluetooth, WH-1000XM3, linux, pipewire
Apr
14
2021
WSLv2 limiting resource usage
Posted by ebal at 11:28:52 in blog, planet_ellak

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    Tag(s): win10, WSL, archlinux, linux
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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    Tag(s): fedora
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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    Tag(s): php, curl, dyndns, PowerDNS
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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    Tag(s): btrfs, raid, raid1, luks
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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    Tag(s): ltsp
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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    Tag(s): libvirt, kvm, cloud-init, terraform, ubuntu, qemu
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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    Tag(s): knowledge
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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    Tag(s): edis, cloud-init
Jun
09
2020
a story about inclusion in tech
Posted by ebal at 14:30:40 in blog

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    Tag(s): story
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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    Tag(s): linux, namespaces, network, ip-netns, veth, iproute2
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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    Tag(s): linux, namespaces, network, ip-netns, veth, iproute2
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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    Tag(s): linux, namespaces, network, ip-netns, veth, iproute2
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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    Tag(s): gitlab, gitlab-runner, tmux, centos6, centos7, docker, dind
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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    Tag(s): ubuntu, 18.04, 20.04, LTS
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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    Tag(s): ubuntu, 20.04
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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    Tag(s): LibreDNS, dnscrypt-proxy
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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    Tag(s): win10
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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    Tag(s): restic, minio
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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    Tag(s): AppImage, firefox
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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    Tag(s): doh-cli, DoH, python
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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    Tag(s): ipname, dnsdist
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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    Tag(s): DoH, DoT, PowerDNS, dnsdist
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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    Tag(s): kubernetes, k8s, helm, terraform, hetzner, rancher2
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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    Tag(s): LibreDNS, LibreOps
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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    Tag(s): LibreDNS, DoH, DoT, DNS, TLS, letsencrypt
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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    Tag(s): centos8
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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    Tag(s): terraform
Sep
20
2019
Partition MisAlignment
Posted by ebal at 17:38:08 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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    Tag(s): partition, alignment
Sep
01
2019
php7 constructor on class extends
Posted by ebal at 14:04:21 in blog

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    Tag(s): php
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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    Tag(s): wacko, wiki
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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    Tag(s): archlinux, gitlab
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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    Tag(s): minio, s3
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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    Tag(s): backblaze, b2, rclone, crypt, minio, s3cmd, s4cmd, s3, obs
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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    Tag(s): vpn, dsvpn
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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    Tag(s): slack, xdg
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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    Tag(s): minikube, kubernetes
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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    Tag(s): mdadm, raid5
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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    Tag(s): ubuntu, centos, raid, xfs, mdadm, swap
Jun
20
2019
Tools I use daily the Win10 edition
Posted by ebal at 20:25:39 in blog

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    Tag(s): win10
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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    Tag(s): galera, mariadb, mysql, ubuntu
Jun
08
2019
arch-audit
Posted by ebal at 20:12:54 in blog

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

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    Tag(s): otc, python, openstack
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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    Tag(s): openssh
Apr
01
2019
ansible assertations tests with Loop
Posted by ebal at 20:39:09 in blog

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    Tag(s): ansible, loop, assert
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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    Tag(s): ansible, password
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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    Tag(s): ansible, ansible-pull, gitlab, cloud-init
Feb
27
2019
ansible tips
Posted by ebal at 22:00:13 in blog, planet_ellak, planet_Sysadmin

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    Tag(s): ansible
Feb
21
2019
ArchLinux WSL
Posted by ebal at 22:50:31 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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    Tag(s): archlinux, win10, WSL
Feb
11
2019
Flatpak
Posted by ebal at 16:36:26 in blog

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

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    Tag(s): bash
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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    Tag(s): terraform, cloud-init, hetzner
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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    Tag(s): dropbox
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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    Tag(s): vlc
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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    Tag(s): apple, iOS, dovecot, postfix, baikal, starttls
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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    Tag(s): cloud-init, libvirt, qemu, kvm, centos7
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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    Tag(s): md0, mdadm, linux, raid
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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    Tag(s): windows, win10, Linux Subsystem, ubuntu
Sep
23
2018
dovecot mountpoints
Posted by ebal at 11:34:10 in blog

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

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    Tag(s): devops, Virtualization
Aug
18
2018
books
Posted by ebal at 14:27:00 in blog, books

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    Tag(s): books
Jun
13
2018
Terraform Gandi
Posted by ebal at 16:27:49 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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    Tag(s): terraform, gandi
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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    Tag(s): packer, ansible, qemu
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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    Tag(s): postfix, ldap
May
13
2018
USBGuard
Posted by ebal at 18:42:18 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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    Tag(s): usbguard, archlinux, redhat, usb
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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    Tag(s): centos, centos7
May
11
2018
Taking Up Serpents
Posted by ebal at 10:53:44 in blog, books

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    Tag(s): books
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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    Tag(s): dns, rpz, PowerDNS
Apr
17
2018
Toyota Kata
Posted by ebal at 16:19:03 in blog, books

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    Tag(s): books, toyota, kata
Apr
17
2018
Beyond
Posted by ebal at 16:02:00 in blog, books

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

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    Tag(s): books
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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    Tag(s): ansible
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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    Tag(s): python, centos, ansible
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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    Tag(s): python, python3, yaml, jinja, jinja2
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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    Tag(s): powerdns, sqlite, api
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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    Tag(s): acme, letsencrypt, powerdns
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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    Tag(s): gitlab, docker, CI/CD
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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    Tag(s): encfs, dropbox
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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    Tag(s): books, devops
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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    Tag(s): systemd, containers
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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    Tag(s): NBDE, luks, centos7, tang, clevis
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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    Tag(s): books
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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    Tag(s): books, readyplayerone
Jan
21
2018
Fabric MiniTutorial
Posted by ebal at 20:27:45 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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    Tag(s): python, fabric
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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    Tag(s): SSH, FreeOTP, HOTP
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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    Tag(s): signal, archlinux
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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    Tag(s): Autonomous, books
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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    Tag(s): rspamd, postfix, apache
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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    Tag(s): books
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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    Tag(s): nagios, pnp4nagios, selinux, apache
Aug
14
2017
Cosmote υπηρεσία OTEnet Mail
Posted by ebal at 16:53:18 in blog, planet_ellak

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    Tag(s): cosmote, scam
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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    Tag(s): letsencrypt
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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    Tag(s): slack
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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    Tag(s): php, iterator
Jul
04
2017
Malicious ReplyTo
Posted by ebal at 07:44:08 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

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    Tag(s): spam
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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    Tag(s): dovecot, postfix, ldap, openldap, TLS, starttls, cram-md5, authentication
Jun
25
2017
How to Clean a Coffee Grinder With Rice
Posted by ebal at 14:13:19 in blog

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    Tag(s): coffee, gaggia, Graef, grinder
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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    Tag(s): hackerspace, progressbar, bratislava
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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    Tag(s): books
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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    Tag(s): failures, ansible
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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    Tag(s): dns, CAA, letsencrypt
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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    Tag(s): postfix, tls, ipv6
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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    Tag(s): nagios, nrpe, ntp, time
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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    Tag(s): linux, mdadm, md0
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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    Tag(s): dnsdist, powerdns
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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    Tag(s): books
Apr
08
2017
regular expressions in find
Posted by ebal at 17:08:13 in blog, planet_ellak, planet_Sysadmin

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    Tag(s): find, regular, expression
Apr
05
2017
Ghost in the Wires
Posted by ebal at 14:01:46 in books

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    Tag(s): books
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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    Tag(s): swap, centos7
Mar
24
2017
The Phoenix Project
Posted by ebal at 20:02:11 in blog, books

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    Tag(s): ThePhoenixProject, books
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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    Tag(s): docker, swarm, containers
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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    Tag(s): fairphone, GApps, microG
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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    Tag(s): baikal, caldav, cardav
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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    Tag(s): php, RecursiveIteratorIterator, FilesystemIterator, RecursiveDirectoryIterator
Jan
25
2017
ffmpeg video from images
Posted by ebal at 13:27:39 in blog, planet_ellak, planet_Sysadmin

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    Tag(s): ffmpeg, mp4, png
Jan
10
2017
Tools I use daily
Posted by ebal at 22:01:47 in blog, planet_ellak, planet_Sysadmin

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    Tag(s): tools
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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    Tag(s): Elasticsearch, Logstash, Kibana, Grok, ELK
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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    Tag(s): kvm, qemu, windows
Oct
26
2016
Thunderbird Enigmail
Posted by ebal at 22:26:55 in blog, planet_ellak, planet_Sysadmin

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    Tag(s): thunderbird, enigmail, pgp, gpg
Oct
17
2016
Linux Raid mdadm md0
Posted by ebal at 15:38:08 in blog, planet_ellak, planet_Sysadmin

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    Tag(s): md0, mdadm, linux, raid
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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    Tag(s): hard disk
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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    Tag(s): JS, javascript
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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    Tag(s): wallabag
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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    Tag(s): php, perl, python, lua, pigz
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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    Tag(s): docker
Jul
21
2016
Gaggia Classic - Graef CM 800
Posted by ebal at 09:15:57 in blog

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