Updated : Apr 03, 2018 in Linux

Resetting MySQL/MariaDB root password in Ubuntu 16.04

Introduction: In case you have forgotten the 'root' password in MySQL/MariaDB(10.0.x) you can reset the password as follows: Ref: https://kofler.info/root-login-problem-mit-mariadb/ STEPS: Stop the currently running…

Updated : Jan 02, 2018 in Apache

Install CERTBOT in Ubuntu-16-04-xenial and Debian Stretch

Intro: Here is a 1-to-1 copy of the article on how to install certbot in Ubuntu 16.04 and Debian Stretch Ubuntu 16.04 HOWTO: Install On…

Updated : Jan 02, 2018 in Apache

Configuring Letsencrypt in ISPConfig 3.1

Intro: Since a while now the wonderful idea of creating the service Letsencrypt has made lots of admins happy. Here is how we can also…

Updated : Dec 21, 2017 in Linux

Blocking hosts blacklist and iptables

Intro: I happen to have sone attacks coming from specific hosts which I decided to block access to the server. Here is how I did…

Updated : Dec 11, 2017 in Email

OpenDKIM doesn’t start after Upgrade from Jessie to Stretch

Introduction: After having done a dist-upgrade fo Jessie to Stretch OpenDKIM didn't start any more. After research I found the answer which worked for me…

Updated : May 23, 2017 in Atlassian

Disabling the admin security password confirmation in Jira and Confluence

Introduction: Although in Jira and Confluence the WebSudo, requesting the confirmation of the administrator's password, are neat security features if you are working in a…

Updated : May 16, 2017 in Apache

Hardening the SSL security in Apache, Dovecot and Postfix

Introduction: After having gotten a report from OpenVAS that my SSL security level of the mail server were medium, I looked for ways to improve…

Updated : Jan 21, 2017 in Linux

Mounting a remote directory using SSHFS in Debian Jessie

Introduction: If you want to mount a directory on a remote server via Internet NFS can be quite a challenge to protect. A good solution…

Updated : Jan 19, 2017 in Apache

Installing TeamPass in Debian Jessie

Introduction: TeamPass is a very good Web application which can store securely Passwords for single person or teams. Here are the steps I used to…

Updated : Jan 19, 2017 in Linux

SSH doesn’t accept my key since upgrade Mac OS X to Sierra

Introduction: I have two MacBooks. One that still has Mavericks OS X and one that I just upgrade to Sierra OS X. Since the upgrade…