Using maven behind a proxy
Friday, January 31, 2020 •
When you are in a corporate network, you might be behind an authenticating http proxy server. Indications that you are: timeouts when maven tries to download a dependency from maven central.
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Captive portals
Wednesday, December 18, 2019 •
When using public wifis, they are often “protected” by a so-called captive portal. They redirect you to a page, where you need to login or at least accept the conditions of the network, you are going to use. Before you have agreed, all your network traffic is blocked which leads to timeouts.
Switching Java Versions (Update)
Sunday, November 17, 2019 •
This is an update to the previous article Switching Java versions.
Resizing linux boot partition
Friday, October 25, 2019 •
You have installed your linux using reasonable defaults. This means, you might have a EFI partition, a boot partition and all the remaining space is used for a big encrypted partition (LUKS - Linux Unified Key Setup), which hosts a physical volume to be used by LVM (logical volume manager). Since you need to be able to unlock this encrypted partition before using, this is done in the initial ram disk stored on the boot partition, which is not encrypted.
Creating a reusable debian usb install flash drive
Sunday, September 22, 2019 •
If you want to install Debian on a new computer, you
will need to boot the installer first. A convenient way is to download a CD image
and write it to the flash drive, as described in Debian’s FAQ How do I write a CD/DVD/BD image to a USB flash drive. Usually a simple copy (sudo cp debian-testing-amd64-DVD-1.iso /dev/sda) will do.