Clik here to view.
Let's Encrypt - Auto Renewal
Let’s Encrypt I’ve written some posts on Let’s Encrypt but the most frequently question is how to auto renew a certificate every 90 days. Disclaimer This is my mini how-to, on centos 6 with a custom...
View ArticleCosmote υπηρεσία OTEnet Mail
SCAM Τον τελευταίο καιρό, όλο και περισσότερα email με το παρακάτω (ή παρόμοιο) body φτάνουν στο mailbox μου. Οι περισσότεροι από εσάς, εύκολα θα διαπιστώσετε πως το παρακάτω είναι google translate,...
View ArticleClik here to view.
Nagios with PNP4Nagios on CentOS 6.x
In many companies, nagios is the de-facto monitoring tool. Even with new modern alternatives solutions, this opensource project, still, has a large amount of implementations in place. This guide is...
View ArticleClik here to view.
Walkaway by Cory Doctorow
Walkaway by Cory Doctorow Are you willing to walk-away without anything in the world to build a better world ? Tag(s): books
View ArticleClik here to view.
Rspamd Fast, free and open-source spam filtering system
Fighting Spam Fighting email spam in modern times most of the times looks like this: Rspamd Rspamd is a rapid spam filtering system. Written in C with Lua script engine extension seems to be really...
View ArticleClik here to view.
Autonomous by Annalee Newitz
Autonomous by Annalee Newitz The year is 2144. A group of anti-patent scientists are working to reverse engineer drugs in free labs, for (poor) people to have access to them. Agents of International...
View ArticleClik here to view.
Install Signal Desktop to Archlinux
How to install Signal dekstop to archlinux Download Signal Desktop eg. latest version v1.0.41 $ curl -s https://updates.signal.org/desktop/apt/pool/main/s/signal-desktop/signal-desktop_1.0.41_amd64.deb...
View ArticleClik here to view.
2FA SSH aka OpenSSH OATH, Two-Factor Authentication
2FA SSH aka OpenSSH OATH, Two-Factor Authentication prologue Good security is based on layers of protection. At some point the usability gets in the way. My thread model on accessing systems is to...
View ArticleFabric MiniTutorial
Fabric Fabric is a Python (2.5-2.7) library and command-line tool for streamlining the use of SSH for application deployment or systems administration tasks. You can find the documentation here...
View ArticleClik here to view.
Ready Player One by Ernest Cline
Ready Player One by Ernest Cline I’ve listened to the audiobook, Narrated by Wil Wheaton. The book is AMAZING! Taking a trip down memory lane to ’80s pop culture, video games, music & movies. A...
View ArticleClik here to view.
The Subtle Art of Not Giving a Fck by Mark Manson
The Subtle Art of Not Giving a F*ck A Counterintuitive Approach to Living a Good Life by Mark Manson - Narrated By Roger Wayne This book in a nutshell is covering the bases for mental health and...
View ArticleClik here to view.
Network-Bound Disk Encryption
Network-Bound Disk Encryption I was reading the redhat release notes on 7.4 and came across: Chapter 15. Security New packages: tang, clevis, jose, luksmeta Network Bound Disk Encryption (NBDE) allows...
View Articlecontainers containers containers
systemd Latest systemd version now contains the systemd-importd daemon . That means that we can use machinectl to import a tar or a raw image from the internet to use it with the systemd-nspawn...
View ArticleClik here to view.
The Goal and The DevOps Handbook
I’ve listened two audiobooks this month, both on DevOps methodology or more accurate on continuous improving of streamflow. also started audible - amazon for listening audiobooks. The android app is...
View ArticleClik here to view.
Encrypted files in Dropbox
Encrypted files in Dropbox As we live in the ages of smartphones and mobility access to the cloud, the more there is the need to access our files from anywhere. We need our files to be available on any...
View ArticleClik here to view.
GitLab CI/CD for building RPM
Continuous Deployment with GitLab: how to build and deploy a RPM Package with GitLab CI I would like to automate building custom rpm packages with gitlab using their CI/CD functionality. This article...
View ArticleClik here to view.
Let's Encrypt Wildcard Certificate
ACME v2 and Wildcard Certificate Support is Live We have some good news, letsencrypt support wildcard certificates! For more details click here. The key phrase on the post is this: Certbot has ACME v2...
View ArticleMigrating to PowerDNS
A few years ago, I migrated from ICS Bind Authoritative Server to PowerDNS Authoritative Server. Here was my configuration file: # egrep -v '^$|#' /etc/pdns/pdns.conf dname-processing=yes launch=bind...
View ArticleWorking with Yaml and Jinja2 in Python3
YAML YAML is a human friendly data serialization standard, especially for configuration files. Its simple to read and use. Here is an example: --- # A list of tasty fruits fruits: - Apple - Orange -...
View ArticleHow to run Ansible2.5 on CentOS 5
[notes based on a docker centos5] # cat /etc/redhat-release CentOS release 5.11 (Final) Setup Enviroment Install compiler: # yum -y install gcc make Install zlib headers: # yum -y install zlib-devel...
View Article