How to recursively change ownership of a directory in Ubuntu 14.04 LTS

Hi guys, today I would like to share with you how to recursively change the ownership of a directory in Ubuntu 14.04 LTS. Obviously this also works in Ubuntu 12.04 LTS, Debian 7 and others. Btw. "recursively" means the folder and everything what's inside (files, sub directories etc..)... it's fairly easy - assuming you want to do recursive change of ownership of folder /tmp/mydirectory to user "root" within group "root": chown -R root:root /tmp/mydirectory That was easy. Wasn't it? ;). Enjoy Read more [...]

WordPress ISP config and weird HTTP error on media uploads

I ran into this strange problem - on a WordPress installation running on top of Ubuntu 12.04 with ISP config there was this site which had problems accepting files over roughly 150kB. When the file was larger it ended up with "HTTP error" and upload did not finish. But fear not - here is the solution: The easy way: stop using fast-cgi and switch to SuPHP. This might be a quick fix but might lead to other issues (performance, security etc.) The hacker way: 1. login to your SSH for convenience Read more [...]

How To Disable Guest Account In Ubuntu 12.04

Here is how to disable disable guest account in Ubuntu 12.04: 1) edit file /etc/lightdm/lightdm.conf sudo nano /etc/lightdm/lightdm.conf 2) add to it allow-guest=false so ti looks like similar this: [SeatDefaults] user-session=ubuntu greeter-session=unity-greeter allow-guest=false 3) restart lightdm service: sudo restart lightdm 4) and... profit :)! Read more [...]

How to auto-start OpenVPN client in Debian 6 and Ubuntu 12.04 (also works for Debian 7 and Ubuntu 14.04)

Update 2015-04-16: This how to was originally written for Debian 6 and Ubuntu 12.04 but I can assure you that it has been tested with success on Ubuntu 14.04 LTS. Just make sure you really use file client.conf (NOT client.ovpn). I had this huge problem - my Debian desktop did not reconnect to the VPN on reboot so here is a small how-to what needs to be done :). Assumptions: You have working installation of OpenVPN client so when you are in /etc/openvpn and type: openvpn client.conf , where Read more [...]

How to install local Bitcoin wallet on Ubuntu 12.04 LTS

I thought that installing such app could be easily done through Ubuntu Software Center, unfortunately it is not the case. There is a how to manual available, though it's written a little bit less straightforward than (I think) it should. But fear not! Here is a fool proof how-to 😉 1) edit sources list: sudo nano /etc/apt/sources.list and add to the very end of the file (these settings are for Ubuntu 12.04 LTS - codename Precise): # bitcoin project repository deb http://ppa.launchpad.net/bitcoin/bitcoin/ubuntu Read more [...]