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6%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
=casper/vmlinuz,initrd=casper/initrd --extra-args 'console=ttyS0,115200n8' This command is intended as an example. It assumes that a network bridge named br0 is set up on the system and that an ISO image of Ubuntu 24.04 Server is located
6%
Transport Encryption with DANE and DNSSEC
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © nerhuz, 123RF.com
the network traffic has full access to the content of the message, so anyone who wants privacy needs encryption. PGP and S/MIME or SSL and STARTTLS are suitable methods for encrypting email. The first two
6%
Let the hardware do the heavy lifting
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Victor Freitas on Unsplash
machines connected back-to-back with a 100Gbps (100G) network adapter and OpenSSL, our lab tested application s_time on the client and s_server on the server, with and without inline TLS enabled and using
6%
Flatpak, Snap, and AppImage
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Quino Al on Unsplash
its trustworthiness. However, the major share of today's widespread formats originated in the mid-1990s, when the demands on workstations and servers were far different from today. It is thus
6%
A Container for HPC
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © orson, 123RF.com
Scientific Computing Center (NERSC) [11]. Shifter is a prototype implementation of a container system for HPC that converts images from Docker, VMs, or CHOS [12] (a utility that creates a Scientific Linux
6%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
m0.008s Line 8 of the backtrace in Listing 6 shows that the issue is caused by the file permissions: The Nagios user wants to write the webrat.log file but does not have the required permissions
6%
Get to know Azure Files and Azure File Sync
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © moovstock, 123RF.com
management is no exception, with object storage for virtually unlimited volumes of data on the rise in the form of services that offer compatibility with Amazon Simple Storage Service (S3) – or at least
6%
Recovering from a cyberattack in a hybrid environment
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Photo by Kelly Sikkema on Unsplash
usually takes place within 12 hours but is by no means even close to real time. That said, you can see on the portal that the command has taken effect after just a few minutes; the status of Azure AD
6%
Microsoft Exchange replacement
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Photo by Gabriel Crismariu on Unsplash
$MailboxesTotal++ 32 33 [...] 34 35 $nTimeout = 0 36 while ((Get-MailboxExportRequest -Mailbox $Mailbox).Status -ne "Completed") { 37 Start-Sleep -s 2 38 $nTimeout += 2 39 if ($nTimeout % 60
6%
Sustainable Kubernetes with Project Kepler
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Hassan Pasha on Unsplash
Chromebox with Skylake architecture – gives the results shown in Figure 4, which is an approximately 12.5W power increase over a six-minute period, or 0.49g of CO2. This setup at least shows that you get more

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