Category Archives: Linux Administration
Verify installed rpm packages
Installing packages via rpm usually provides a lot of comfort. Simply installing an rpm deploys all files related to that package wherever they need to go across the system. Some packages distribute hundreds of files into different sections of the … Continue reading
Setup WireGuard VPN on CentOS
WireGuard provides a modern VPN and is advertised as being much easier to install and configure than many other VPN services. Most of this simpler setup procedure comes from the fact that the cryptographic methods used are not as highly … Continue reading
Download a complete website using wget
In some rare cases you might run into the need to download a complete website onto your local machine for offline usage. There are many GUI tools to do this with loads of options. But did you know that you … Continue reading
Setup Unifi Network Controller on a Raspberry Pi
Unifi access points from Ubiquiti cannot be configured like normal, standalone access points. They require a special network component called Unifi Controller. This controller is a piece of Software that allows configuration and monitoring of all Unifi access points within … Continue reading
MacOS Dash alternative for Linux
The handy utility Dash – Offline access to documentation is sadly only available for MacOS, but there are compatible alternatives available to let you browse documentation offline on Linux. Zeal – offline documentation browser Dash being a MacOS only Application … Continue reading
Force Debian console into text mode
Modern server hardware offers a lot of possibilities for administration. One of them is the remote access port, HP’s iLO. This remote access port allows to access the server even when shut down and allows a lot of control over … Continue reading
Setup sftp only account using openssh and ssh-key
There are different ways to lock a user into his home directory. A very special case is to grant sftp-only access, which does not require a full chroot jail to be set up. The sftp subsystem built into openssh allows … Continue reading
Manage terminal sessions with tmux
In Managing shell commands and processes a utility called screen was introduced, but screen is not the only utility to manage multiple sessions. Another mighty tool to handle multiple sessions is tmux. With tmux – terminal multiplexer multiple sessions can … Continue reading
Install HP ProLiant Management Utilities
The HP ProLiant Support Pack (PSP) for Linux allows reading out hardware details from a HP ProLiant server. this set of tools can be used to read out hardware information, state and logs. Install HP ProLiant Management Components HP provides … Continue reading
LVM Remove physical volume from volume group
LVM provides flexibility to organize logical volumes without being bound to inflexible partitioning. If set-up correctly, the LVM can grow as the disk/raid might grow. To allow the LVM to grow, the block device needs to be added as a … Continue reading
