church1e's blog

A repository of information technology questions and answers

Latest posts

Configure Ubuntu 16.04 to use two-factor authentication

Published 4 Dec 2017 Read time 3 min(s) 24 sec(s) (1029 visits).

When a ssh-key authentication is not enough, the quickest solution for a server could be to make ssh to ask for 2-factor token when logging in.

Microsoft Teams Training Videos

Updated 14 Jul 2022 Read time 22 sec(s) (2218 visits).

Microsoft Teams Training Videos

Cannot initialise a non-EFI disk greater than 1TB in VxVM on Solaris

Published 22 Aug 2017 Read time 2 min(s) 9 sec(s) (1198 visits).

Initialising a non-EFI labelled disk that is greater than 1TB fails under Solaris.

Setting up an SSHD failover daemon in Ubuntu

Published 13 Aug 2017 Read time 57 sec(s) (3145 visits).

A simple article on how to create a failover SSH server on a Ubuntu system, allowing you to connect on an alternative port of the original SSHD fails

savepnpc PRE and POST commands deprecated in NetWorker 9

Published 14 Jul 2017 Read time 1 min 5 sec(s) (2918 visits).

You can customise a backups behavior by running preprocessing and postprocessing commands.

rkhunter update fails "Invalid WEB_CMD configuration option"

Published 6 Jun 2017 Read time 1 min 36 sec(s) (5993 visits).

An update to rkhunter will fail with Invalid WEB_CMD configuration option: Relative pathname: "/bin/false"

Which registry keys cause programs to run automatically

Updated 30 May 2018 Read time 1 min 12 sec(s) (1011 visits).

Run keys are part of the registry, a hierarchical database housing settings that run the Windows operating system, its services and applications.

AWS Terminology

Updated 30 Dec 2018 Read time 5 min(s) 26 sec(s) (1022 visits).

Confused by Amazon Web Services? Learning all of the terminology is a great way to become acquainted with it.

Integrating VMware with NetWorker

Updated 29 Nov 2019 Read time 12 min(s) 51 sec(s) (1194 visits).

This article provides procedures for backup and restore of virtual machines deployed on a VMware vSAN data store using EMC NetWorker 9.1, 9.2 and 18.1

Oracle Linux and Solaris command comparison

Published 22 Feb 2017 Read time 2 min(s) 48 sec(s) (3498 visits).

This document explains how to use Oracle Solaris to users who have experience operating systems in a Linux environment.