Articles tagged 'Linux'

Getting Phatch to work on Ubuntu 17.04

19 Jul 2017 | Linux, Ubuntu

Phatch is a fantastic tool to process a large number of photos in the same manner. For example, I use it to shrink images to show on a digital picture frame. Unfortunately it has not been maintained for years, and it will not start on recent versions of Ubuntu. Here’s a workaround.

Running Windows applications on a Samba share

1 Jun 2017 | Linux, Samba, Tips & Tricks, Windows

I have some (virtual) Windows machines running in a network of Linux hosts. I keep some Windows applications (most notably, WSUS Offline Update) on an external hard drive that is connected to a Linux host via USB and shared with the Windows machines via Samba. Despite relaxing the Windows security settings more and more, Windows refused to run the applications on the shared drive until I made a change to the Samba configuration on the Linux host.

Deploying a Discourse forum with Capistrano

7 Jan 2017 | Howto, Linux, Server, Tutorial

[Updated] Here I describe how to automate deployment of Discourse to your own server using Capistrano.

How to host a Discourse forum on your own server

29 Oct 2016 | Howto, Linux, Server, Tutorial

[Updated] Discourse is a fairly new forum software that is very comfortable to use. As a server administrator, you can either run it from a Docker container, or pay a fee to use a hosted version. However, if neither Docker nor subscription fees are feasible options, setting up a Discourse instance without Docker involves a bit of work.

Fixing VirtualBox virtual machine startup in Ubuntu.

9 Mar 2016 | Fix, Linux, VirtualBox

VBox 5.0 machines sometimes fail to start in Ubuntu; here's a hint how to fix it

Fixing network printing issues on Linux

25 Sep 2015 | Linux, Tips & Tricks, hardware, printing

I have an HP LaserJet P2015dn printer that used to cause me headaches and has been causing trouble for some time now again. …

Uprading OwnCloud: Fixing 'could not acquire lock' error

11 Jul 2015 | Linux, OwnCloud, Server, troubleshooting

While upgrading OwnCloud to version 8.1, I experienced strange errors: www-data@server:/var/owncloud$ php occ upgrade PHP Warning: flock() expects parameter 1 to be …

Upgrading PHP APCu on Ubuntu 14.04 LTS

2 Apr 2015 | Linux, OwnCloud, Server

Ubuntu 14.04 LTS ships with an outdated version of the PHP user cache driver ‘APCu’. OwnCloud, if installed, will complain about this. Here I describe how to upgrade APCu on Ubuntu.

Configuring SSL for OpenLDAP

30 Mar 2015 | Linux, OpenLDAP, Server, Tutorial, code

Setting up an OpenLDAP server on Ubuntu is quite complicated, and getting SSL connection security to work may be the hardest part of it. Here I describe what worked for me.

Sharing folders in a home network with Samba

16 Jun 2014 | Linux, Network, Samba

File and folder sharing using Samba on Linux is easy to set up, but authorizations and permissions need to be set up properly to get it to work. Here I describe how to do it for a home network.

Combining two A5 pages into one A4 page

24 Dec 2013 | Linux, Tips & Tricks, code

In this article, I describe how to create a single A4-sized PDF document containing two copied of a single-page, A5-sized PDF document. This is useful for custom A5 forms that are to be printed in duplicate on A4 sheets, so that two A5 forms can be obtained by cutting the A4 paper.

Local file sharing with Samba and VirtualBox guests

26 Nov 2013 | Linux, Network, Samba, VirtualBox, code

VirtualBox is an excellent tool to run one or many virtual Windows machines on a Linux host. Its shared folders offer convenient access to the host file system from the virtual machines. However, shared folders may not be suitable for specialized tasks such as storing .NET application-level Office addins. In this article I describe an alternative way to share folders between the host and guest operating systems using the Samba file server.

Upgrading to Ubuntu 13.10 with Apache 2.4

20 Oct 2013 | Linux

In this post I describe what I had to do to make my local website work again after upgrading to Ubuntu 13.10 with Apache 2.4.

Finding files in Mendeley

27 Mar 2011 | Linux, Mendeley, Tips & Tricks, code

Mendeley is a great piece of Software to organize one’s collection of PDF articles. It did a fairly good job indexing the several thousand …