If you‘re also working in IT, you will know the problem: new software always brings new requirements and at some point even powerful hardware is not adequate anymore. Even for private use-cases it might be … Read more
SLE 15 Unified Installer – is less actually more?
SUSE Linux Enterprise Server 15 (SLES) not only introduced new software packages – another big update was making those packages more modular. In comparison to predecessor releases, SLES has a generic installation media for the … Read more
Short tip: Clone Git repository via SSH and SOCKS proxy
When using tools such as GitLab can cloned via HTTP and SSH. Especially the second choice can be handy if there is no VPN available – but keep in mind, also sending DNS via the … Read more
Short tip: Utilize Ansible role via Vagrant
When implementing larger tasks in Ansible, you might thinking about writing your own Ansible role sooner or later. For this, the ansible-galaxy command can help you:
Short tip: Ansible – “failed to create temporary content file: ‘The read operation timed out'”
While using the Ansible modules get_url and unarchive I recently stumbled upon the following errors:
Test-driven development with Chef and Vagrant
When it is planned to automate deploying and configuring complex insfrastructure setups, Chef is a mighty tool. Focussing the Infrastructure as Code (IaC) manifesto, it offers more than conventional Configuration Management and can be used … Read more
Short tip: Python TypeError: __init__() takes exactly 2 arguments (4 given)
Recently, I stumbled upon the following issue while installing a Python utility on an older CentOS system:
Short tip: Puppet – “Unable to fetch my node definition, but the agent run will continue”
Doing a recent Puppet agent upgrade from version 3.x to 4.x I stumbled upon the following errors:
Short tip: VirtualBox 5.2 installation under macOS 10.13
VirtualBox enjoys great popularity where it is required to virtualize common operating systems for conventional use-cases at no cost. In comparison with other hypervisors such as VMware Workstation, VirtualBox only offers basic graphics acceleration – … Read more
Short tip: Install missing SNMP MIBs under Debian Linux
Leveraging SNMP is often a pain when appropriate MIB files (Management Information Base) are missing – e.g. because the manufacturer did not document them or only offer them at fee. When utilizing a Perl program … Read more