Network-Bound Disk Encryption (NBDE) adds scaling to LUKS by automated disk unlocking on system startup. Why should I encrypt disks? If you dont want to see your corporate and private data leaked, you should do so as an additional security measure. Use cases There are basically two use cases for disk encryption. The first one ….Read More
Year: 2017
Blueborne – How to disable Bluetooth in Fedora
Yesterday 2017-09-13 Redhat released infomation about the mitigation of the Blueborne vulnerability in RHEL: https://access.redhat.com/security/vulnerabilities/blueborne. For Fedora the new updates are probably still in the build queue and/or being QAed by the community. For a quick fix, you can disable Bluetooth similar than in RHEL: Stopping Bluetooth related service systemctl stop bluetooth.service systemctl disable bluetooth.service ….Read More
Improve your bash shell working experience
This article shows some hints how to improve your bash shell working experience to reach higher productivity. Just simple shortcuts that are not so well known. Using the History The bash history is underestimated when it comes to usability. Here some nice stuff to do with the history. Search the history Every command is kept ….Read More
Manually enroll SLES12 systems to Redhat IdM
RHEL and Ubuntu systems leverage the ipa-client software to easily enrolled them to a Redhat IdM system. Unfortunately SLES12 lacks the required packages. Nevertheless, SLES12 systems can be enrolled manually. This article is about how to achieve this. Why using IPA for SLES systems? Most organizations are not pure RHEL or pure SLES shops, the ….Read More
Upgrading Redhat Satellite 5.7 to 5.8
Couple of days ago, Redhat released its latest and last major upgrade for Satellite 5.x. Its a rather important upgrade, you are advised to upgrade soon. This upgrade contains some major improvements like stated in an earlier article Disclaimer I’m not responsible for any damage caused by the procedure provided here. Always create a backup ….Read More
New features in Satellite 5.8
Redhat Satellite 5 was released in version 5.8. based on Spacewalk 2.5. It will probably be the last upgrade available, Support ends in January 2019. New features and enhancements The major new feature is the introduction of support for the CDN for both, Satellite activation and content sync. The key benefit is a massively enhanced ….Read More
Using Ansible to automate oVirt and RHV environments
Bored of clicking in the WebUI of RHV or oVirt? Automate it with Ansible! Set up a complete virtualization environment within a few minutes. Some time ago, Ansible includes a module for orchestrating RHV environments. It allows you to automate the setup of such an environment as well as automating daily tasks. Preparation Of course, ….Read More
PXE boot a virtual machine with NAT connection to the host
If you have a notebook and you want to quickly deploy new virtual machines for testing, PXE boot is your friend. On notebooks people are usally not using a bridged network but NAT instead. The DHCP server on the host that is managed by Libvirt needs to configured with the TFTP server and the boot ….Read More