blog.lobraun.de

Proxmox comes with extensive firewall rules, which can be configured and managed ...

UEFI laptops sometimes want some massaging before they are willing to boot up the GRUB boot manager. Many postings show different ways to setup the boot manager. Several UEFI-capable devices can be configured using efivars, to store which Boot Manager should be used by default (e.g. the Windows Boot Manager, Grub, …). They then offer an ...

Configuring an Xserver used to be a task that required fiddling with the X server configuration files, and you needed to perform this every time you set up a new system. Today, the X server will often automagically detect all available hardware and come up with some reasonable settings without any configuration file at all. You only need ...

After setting up my first repository on my GitLab instance, I received the following error message when pushing to my first repo: remote: GitLab: The project you were looking for could not be found.Turned out that I had a symlink in the path of to my data repository: /var/opt/gitlab/git-data --> /data/gitlibGitLab cannot deal with this ...

Serial console output can be generated for grub messsages, for the kernel boot process, and the access to the system. Different configuration changes need to be done in order to do that. Grub boot messagesIf you want to see boot messages through the console, you need to pass additional arguments to the kernel through kernel arguments. Thi ...

Most Linux distributions provide their pre-compiled kernels with most options enabled as kernel modules. When self-compiling the kernel, you sometimes miss modules because you did not care to enable all available modules. That can sometimes lead to problems, such as when mounting SMB shares: # mount -t cifs //<myhost>/<myshare&g ...

The proprietary Nvidia drivers from x11-drivers/nvidia-drivers contain the closed-sources drivers from Nvidia for Linux. On my laptop, the current version show problems when hibernating/suspending. Several people found that the resume operations do not properly bring up the X-sessions. The same problem occurs on my GTX 1060 laptop. None o ...

Yesterday I tried to install mongodb on my Raspberry Pi. Raspbian Jessie ships with a default mongo 2.4 package, so the installation should be pretty straightforward: apt-get install mongodbHowever, after the installation finished, the service did not start: service mongodb startdid not result in a started mongod process. No log files in ...

ELPY is a python programming environment. The features are documented here. The following table summarises the default key bindings for the functions of version 1.11.0: Key Binding Function C-down Forward one indentation block C-up Backward one indentation block C-left Backward one indentation level C-right ...

Updating all python packages that are installed via pip is often referred to as running something like the commands pip freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs -n1 pip install -UHowever, some problems can occur on Mac OS X, as certain default packages are included into the base python installation. Packages tha ...