If you have a MS SQL Server that is reachable in the local network (from remote machines) but it is not accessible if you connect via VPN (you get error 26), then the reason is that the UDP package on port 1434 is not routed by your VPN (which is […]
misc
80 posts
Plesk 12.5 (together with the Let’s Encrypt plugin) is a convenient tool that comes with batteries included for most cases. However, webmail is only accessible via SSL with the self-signed certificate by default. Some people suggest patching the config files (which potentially gives problems after updates), but here is a […]
When you are frequently hopping between SSH hosts in different shells, you may forget which nodes you went through to actually get to the host you are on now. With the following changes, you can extend your bash prompt to show any intermediate hosts you went trough:
If you collaborate with other people, you want to share information. In my field, computational physics/chemistry, the amount of data is so large that you cannot use sharing services or cloud mechanisms even if you wanted to. While all users in my group are using one NFS for the home […]
If you are using Apache Drill as frontend for access to a MongoDB instance, you may get this error after more than 24 hours of uptime.
When adding my email inbox from UCL to the K9 android email client, I got the problem that this does not work out of the box: K9 cannot connect to the Office 365 server. Unfortunately, I am forced to use Office 365 here. While I am not too convinced that […]
When using the achemso LaTeX package for creating a document, pdflatex may give you the following errors:
When updating a django project that includes the grappelli app to Django 1.7, grappelli has to be updated, as well. This, however, breaks the autocomplete_lookup_fields keyword for inline selection of foreign key entries. This is because grappelli actually plugs into the django-admin interface of django and uses JavaScript to redirect […]
Research is a widely understood as a collaborative effort. This graphic illustrates how researchers from all over the world work together towards a single objective: better understanding of nature. I selected a small community that is working on surface physics of hematite, a mineral that is particularly useful as cost-effective […]
On RedHat Enterprise Linux 6.5 (Santiago), for installing circos, you will need the following perl packages:
When working on systems you do not have root access to, you may have the problem that bothering the IT staff for installing every single package is quite annoying for both sides. For python, there is virtualenv which allows you to install a completely different python version into a local […]
When using the Linux Libertine font family on MacOS, everything is fine with LaTeX, as the MacTeX distribution already includes all relevant files. In case you use third-party tools like Inkscape, you will have to install the font files which is a bit different from what Linux users are used […]