How to deal with X2Go Client error “Unable to create SSH tunnel for X2Go session (NX) startup”

Today I had a weird problem – my X2Go Client just kept saying “Unable to create SSH tunnel for X2Go session (NX) startup”. I tried to reboot remote server but no luck. What is the solution?

It’s rather easy – reboot the local computer you are trying to connect from (yes the PC you are sitting in front of), after that it should be fine.

Setup: Ubuntu x64 server 14.04.3 LTS running XFCE as GUI. The client I was connecting from: Windows 7 Pro x64.

How to install VMware tools in Ubuntu 14.04 LTS x64

The instructions are pretty much same as for 12.04 LTS, which I described in detail here. Though to make it complete: 1/ Bootup, login as root, click "Install VMWare tools" from your host machine 2/ mount the ISO: mount /dev/cdrom /mnt/cdrom you might need to make directory for it first: mkdir /mnt/cdrom 3/ copy the files from there to temp: cp /mnt/cdrom/VMwareTools-*.tar.gz /tmp 4/ unpack it: tar -xvzf VMwareTools*.tar.gz 5/ do the installation (you can omit -d Read more [...]

How to Install VMware Workstation 12 on Ubuntu 14.04 LTS

This how-to basically follows what's been said here already, updated links for new version. 0) Do the basic system installation of Ubuntu 14.04 LTS (Server or Desktop) 1) wget the installer wget https://www.vmware.com/go/tryworkstation-linux-64 2) set the downloaded file as executable (optionally rename using mv or GUI): sudo chmod +x VMware-Workstation-Full-12.0.0-2985596.x86_64.bundle 3) run the installation:  ./VMware-Workstation-Full-12.0.0-2985596.x86_64.bundle 4) finish the installation Read more [...]

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 [...]

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 [...]