How to install MacOS Sierra guest on VirtualBox on Ubuntu host

Well, yeah, I was desperate to debug an app on mac OS so … You can have it run on Ubuntu host with VirtualBox. It works on other versions of…Well, yeah, I was desperate to debug an app on mac OS so … You can have it run on Ubuntu host with VirtualBox. It works […]

How to replace a single page in a PDF file using another PDF file in Linux

By using the PDF Toolkit PDFtk library you can do this simple pdf editing task and many more. For all of you creating software related to PDF documents you should…By using the PDF Toolkit PDFtk library you can do this simple pdf editing task and many more. For all of you creating software related to […]

Real WordPress Cron Jobs

WP cron is one of the greatest features of WordPress. However, it’s irritating when your site is low traffic, or for whatever reason, wp cron refuses to work properly. You…WP cron is one of the greatest features of WordPress. However, it’s irritating when your site is low traffic, or for whatever reason, wp cron refuses […]

Observium – Rename existing devices

In case you have a lot of devices monitored by observium and for a reason (a hypervisor migration maybe?) you need to change servers’ hostnames, observium, at the time being,…In case you have a lot of devices monitored by observium and for a reason (a hypervisor migration maybe?) you need to change servers’ hostnames, observium, […]

ssh refused: sshd[2444]: userauth_pubkey: key type ssh-dss not in PubkeyAcceptedKeyTypes [preauth]

If you just upgraded Ubuntu 15.04/10 to Ubuntu 16.04 LTS (or otherwise upgraded OpenSSH from v6.9 to v7.0 you may be getting the ssh refusal because of changes in OpenSSH…. If you just upgraded Ubuntu 15.04/10 to Ubuntu 16.04 LTS (or otherwise upgraded OpenSSH from v6.9 to v7.0 you may be getting the ssh refusal […]

Fix nethogs ‘creating socket failed while establishing local IP’

As it’s not available in repo nor PPA you need to build it (it is really easy and quickly done). Fetch and extract

Install dependencies and build

Check…As it’s not available in repo nor PPA you need to build it (it is really easy and quickly done). Fetch and extract

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Install dependencies […]

use utf8 you slackers

#Outlook 2007 & 2010 – Change encoding to UTF-8

Slacker-ism in IT is something we all went through!! But Enough is Enough! Stop doing it right now! If you’re already reading these lines, you already know why you are…Slacker-ism in IT is something we all went through!! But Enough is Enough! Stop doing it right now! If you’re already reading these lines, you already […]

sysadmin tutorials conky totallynoob_orange

Make your #Ubuntu #Gnome 15.10 desktop cocky again! #conky

Conky is an exceptional system monitor for X, that displays any kind of information on your desktop. If you haven’t met conky until now, do so here. In this tutorial…Conky is an exceptional system monitor for X, that displays any kind of information on your desktop. If you haven’t met conky until now, do so […]

Vagrant repackaging box from existing one #vagrant

This entry is part 1 of 1 in the series Vagrant

Vagrant repackaging is a hacky way to create a new vagrant box from an existing one, which is already configured and well tested. In this article, scope is not to…Vagrant repackaging is a hacky way to create a new vagrant box from an existing one, which is already configured and well tested. In this article, […]

Javascript

prefix console.log without affecting the line number #Javascript

Prefixing the console.log while keeping its ability to inform you about the code line wherefrom it was called is little hacky but useful to use in your own javascript applications….Prefixing the console.log while keeping its ability to inform you about the code line wherefrom it was called is little hacky but useful to use in […]