Tag: linux

Installing GPG keys for Debian Backports

2017-06-09 rolfje 6 Comments

For Let’s Encrypt to automatically renew certificates on your Raspberry Pi, you probably want to install certbot. The installation instructions of certbot tell you to make use of the Debian Backports packages. Following the instructions to install backports packages into apt-get on raspbian (which is a Debian Jessie), you will probably run into the following error:

$ sudo apt-get update
...
W: GPG error: http://ftp.debian.org jessie-backports InRelease:
   The following signatures couldn't be verified because the public
   key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY
   7638D0442B90D010

Software

Strange fix for SMB problems in Linux

2011-11-28 rolfje 4 Comments

Last week, the upgrade to Ubuntu 11 severely broke all carefully selected menu colors, graphics settings and icon sets. I gave up the fight after a few hours of effortless restoration work and switched to Linux Mint 11.

While setting up my machine and restoring the links to the company Windows file servers I could not connect. The password window would re-appear without any feedback. The fix was even stranger than the problem.

Software

Installing Wubi 9.10

2010-04-23 rolfje 2 Comments

Ok, fist of all: DO NOT DOWNLOAD WUBI 9.10 as it contains a serious GRUB2 problem which will give you some headaches if you’re new to Linux. Why I’m saying this? I just ran into this GRUB2 problem while installing the new Wubi 9.10. Here’s what I did:

Downloaded Wubi 9.10 windows installer and ran it.
Installer downloads stuff, and boots into Ubuntu installer
After reboot, GRUB screen comes up with a loud beep and a prompt. Great.

Some googling finds a lot of Linux voodoo talking l33tspe4king nerds, but it did contain some info with which I managed to get things working: