Linux General – Vassox

Removing all Empty Directories in a Subtree on Linux

December 9, 2019

Another simple and not often used solution to a problem you may not of know you have. This is more of a housekeeping command;…

Error Message: Unit -.mount is masked.

December 1, 2019

Received the following error message when attempting to restart a network service recently. I do not have a technical explanation for what this means,…

SSHFS – Too Many Levels of Symbolic Links

November 23, 2019

I’ve found using SSHFS for network mounts to be quite convenient. Mainly between remote servers and other machines that connect to my host via…

Reverse SSH Tunneling Between Two Linux Hosts

November 18, 2019

Reverse SSH tunneling allows you to access a host by traversing a firewall / nat router by creating an outbound session from the obfuscated…

Enable IP Forwarding / Routing on Ubuntu 18.04+

October 27, 2019

Enabling routing via iptables is slightly different on Ubuntu than Centos / RHEL. That is explained here in depth using firewalld. On Ubuntu the…

Disabling Ubuntu Suspend / Power Management Features from the Command Line

October 20, 2019

In some configurations, Ubuntu power conservation options are enabled by default. For server machines this is something that can make the machine unavailable and…

Upgrading to Ubuntu 19.10

October 18, 2019

Another version of Ubuntu is here, at the time of writing it’s 19.10 “Disco Dingo” but these steps apply to former and (near) future…

iSCSI Mounting Targets from a Linux Client

October 6, 2019

I recently added a QNAP TS-221 to my network for additional storage and for resiliency using RAID 1. This is an older, cheaper, two…

Disabling DNSMASQ via Network Manager on Ubuntu 16.04+

October 2, 2019

If you are unable to resolve local dns names from an Ubuntu machine hosting a bind DNS server – it is likely that dnsmasq…

Using Rsync to Mirror Directories to a Remote Host

September 29, 2019

Like robocopy, rsync will not overwrite existing files unless otherwise instructed – making it suitable for mirroring changed files only. From an bash console…