How to wipe your local docker environment

When playing with docker on your local workstation it’s sometimes necessary to wipe the entire […]

How to recover MySQL/MariaDB after InnoDB storage corruption

While InnoDB is a rather resilient storage driver, it is still possible it can get […]

Debugging mobile apps on linux

Mobile apps sometimes don’t work as expected, and you need to debug what the root […]

GitLab installation on CentOS 7/RHEL 7

GitLab is a very useful open source code repository for developers. If you’ve ever used […]

Backup your entire PuTTy host list

Moving to a new PC? Setting up a new workstation? Don’t forget your PuTTy host […]

Tip: Changing password through Remote Desktop Connection

So you need to change your password through RDP connection, but don’t know how to […]

Solaris – setting user quota on ZFS

ZFS is a very versatile filesystem, which can hold up to 256 zettabytes of data. […]

PostgreSQL and MySQL Unix Time Conversions

TIMESTAMP / DATETIME to Unix Time Unix timestamp handling is a bit different in MySQL […]

Debugging iptables on Red Hat and CentOS

When setting up new services on a clean Red Hat or CentOS install, many administrators […]

Hardly ever add -A INPUT -j ACCEPT to solve your firewall problems!