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Channel: Evaggelos Balaskas - System Engineer
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Setup VLC Remote

Four Step Process $ sudo iptables -nvL | grep 8765 0 0 ACCEPT tcp -- * * 192.168.0.0/24 0.0.0.0/0 tcp dpt:8765 Tag(s): vlc

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Dropbox To End Sync Support For All Filesystems Except Ext4 on Linux

I am only using btrfs for the last few years, without any problem. Drobox’s decision is based on supporting Extended file attributes and even so btrfs supports extended attributes, seems you will get...

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Using Terraform and cloud-init on Hetzner

Using Terraform by HashiCorp and cloud-init on Hetzner cloud provider. Nowadays with the help of modern tools, we use our infrastructure as code. This approach is very useful because we can have...

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exit codes & I/O Redirection

~> false ~> echo $? 1 ~> true ~> echo $? 0 ~> false > /dev/null ~> echo $? 1 ~> true > /dev/null ~> echo $? 0 ~> false 1> /dev/null ~> echo $? 1 ~> true 1>...

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Flatpak

Flatpak is a software utility for software deployment, package management, and application virtualization for Linux desktop computers. It provides a sandbox environment in which users can run...

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ArchLinux WSL

This article will show how to install Archlinux in Windows 10 with Windows Subsystem for Linux.   WSL If you dont already have enabled WSL on your Win10 then you have to enable it and reboot your...

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ansible tips

In this short blog post, I will share a few ansible tips: Print Ansible Variables ansible -m debug -a 'var=vars' 127.0.0.1 | sed "1 s/^.*$/{/" | jq . Ansible Conditionals Variable contains string...

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Scaling automation with ansible-pull

Ansible is a wonderful software to automate configure your systems. The default mode of using ansible is Push Model.   That means from your box, and only using ssh + python, you can configure your flee...

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Generate a random root password aka Ansible Password Plugin

I was suspicious with a cron entry on a new ubuntu server cloud vm, so I ended up to be looking on the logs. Authentication token is no longer valid; new one required After a quick internet search, #...

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ansible assertations tests with Loop

This blog post is written mostly as a reminder to myself!   Loop Assert Time Tests with Regex   test.yml   --- - hosts: localhost connection: local become: no gather_facts: no tasks: - name: Assert...

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Hardening OpenSSH Server

start by reading: man 5 sshd_config   CentOS 6.x Ciphers aes128-ctr,aes192-ctr,aes256-ctr KexAlgorithms diffie-hellman-group-exchange-sha256 MACs hmac-sha2-256,hmac-sha2-512 and change the below...

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Using OpenTelekomCloud with the native python-openstackclient

  Open Telekom Cloud (OTC) is Deutsche Telekom’s Cloud for Business Customers. I would suggest to visit the Cloud Infrastructure & Cloud Platform Solutions for more information but I will try to...

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arch-audit

TIL: arch-audit In archlinux there is a package named: arch-audit that is an utility like pkg-audit based on Arch CVE Monitoring Team data.   Install # pacman -Ss arch-audit community/arch-audit...

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MariaDB Galera Cluster on Ubuntu 18.04.2 LTS

Notes here: MariaDB Galera Cluster a Galera Cluster is a synchronous multi-master cluster setup. Each node can act as master. The XtraDB/InnoDB storage engine can sync its data using rsync. Each data...

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Tools I use daily the Win10 edition

a couple years ago I wrote an article about the Tools I use daily. The last nine (9) months I am partial using win10 due to new job challenges and thus I would like to write an updated version on my...

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Down the troubleshooting rabbit-hole

Hardware Details HP ProLiant MicroServer AMD Turion(tm) II Neo N54L Dual-Core Processor Memory Size: 2 GB - DIMM Speed: 1333 MT/s Maximum Capacity: 8 GB Running 24×7 from 23/08/2010, so nine years!...

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Repair a Faulty Disk in Raid-5

Quick notes Identify slow disk # hdparm -Tt /dev/sda /dev/sda: Timing cached reads: 2502 MB in 2.00 seconds = 1251.34 MB/sec Timing buffered disk reads: 538 MB in 3.01 seconds = 178.94 MB/sec # hdparm...

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kubernetes with minikube - Intro Notes

Notes based on Ubuntu 18.04 LTS My notes for this k8s blog post are based upon an Ubuntu 18.05 LTS KVM Virtual Machine. The idea is to use nested-kvm to run minikube inside a VM, that then minikube...

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slack-desktop and xdg-open

Notes from archlinux xdg-open - opens a file or URL in the user’s preferred application When you are trying to authenticate to a new workspace (with 2fa) using the slack-desktop, it will open your...

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A Dead Simple VPN

A Dead Simple VPN DSVPN is designed to address the most common use case for using a VPN Works with TCP, blocks IPv6 leaks, redirect-gateway out-of-the-box!   Compile Notes on the latest ubuntu:18.04...

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