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37%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
to synchronize the data between individual computers because they all share the same storage. High-availability (HA) clusters bundle individual resources, such as filesystems and IP addresses, to provide
37%
Virtualization with Microsoft Hyper-V
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Roman Sigaev, 123RF
Hyper-V, an element of Windows Server 2008 since the operating system was introduced, provides an integrated virtualization solution that doesn't require third-party software http://1. Hyper
37%
Microsoft Exchange 2010: The Highlights
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© peapop, Fotolia.com
was the same for the whole company, rather than having extensions provided for individual users. Exchange 2010, in combination with the Windows Mobile 6.5 platform, uses the smartphone as the SMS gateway
37%
Introduction to LVM
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Dvarg, 123RF.com
. In the space provided by the volume group, you can create one or more logical volumes – in the example here, I will be creating a single LV called lv_backup with a size of 170GB. I can't use all of the 175GB
37%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
provides. Alternatively, the system supports binaries from Percona or MariaDB . A further disadvantage of Galera Cluster is that an increased number of conflicts arise in the case of hotspots (small tables
37%
The fine art of allocating memory
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
presence provides the system with a last chance for a soft landing before more drastic action is taken. This month, I examine the darker side of the picture: Swap hits 100%, and hard out-of-memory errors
37%
Processing the new sudo logging format
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Kelly Sikkema on Unsplash
page. Figure 2: Log messages in JSON format provide more information. Logging Child Processes Starting in version 1.9.8, a sudo option lets you log
37%
Lean Linux distribution for Kubernetes
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © joingate, 123RF.com
providers to the application vendor, because Red Hat, SUSE, and the like can correctly assert that users are getting MySQL in a container directly from Oracle. According to the Linux distributors' common
37%
Securing email communication with GnuPG
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Amol Tyagi on Unsplash_Key.jpg
) provides a simple and secure way to make public keys for email addresses available over HTTPS. The underlying standard was first implemented in GnuPG version 2.1.12 and has been enabled by default since
37%
Red Hat Ansible Automation Platform
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Dmitry Sunagatov, Fotolia.com
on demand, also scales seamlessly. Conveniently, after rolling out AAP, you only need to worry about some of these details. As long as you provide enough systems for AAP, it takes care of its own scalability

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