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24%
Zarafa on the Univention Corporate Server
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Andres Rodriguez, 123RF.com
Univention's Corporate Server has established itself in the open source community as an infrastructure provider for many free projects and products like Zarafa, Open-Xchange, or Kolab. Although all
24%
Updating Small Business Server 2008
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Petra Wanzki, Fotolia
). Figure 1: Closing open files before installing Rollup 4 for SBS 2008. The installation takes just a couple of minutes, and then the wizard will inform you that the update has completed successfully
24%
Unifying events with Splunk
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Sebastian Duda, 123RF.com
user privilege, network connections, and open ports can be very useful from a security perspective. 4. Via splunk | Manager | Forwarding and receiving | Forward data | Add New add the host:port or IP
24%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
-9]' | tail -n 1 | awk '{ print $2 }' | awk -F : '{ print $2 }'' ... 120405 8:29:02 [ERROR] WSREP: Permission denied 120405 8:29:02 [ERROR] WSREP: failed to open gcomm backend connection: 13: error while
24%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
the stack in one place: Open Cluster Framework (OCF)-standard resource agents are used to manage the virtual machines from Reactor [7]. Keeping Things Simple Linbit can rightly be accused of having
24%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
of useful information is the first argument to the write() function, which contains the file descriptor (fd) to the specific file (in this case, it is fd 17). If you track the file associated with open
24%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
conveniently in a sophisticated web interface. Additionally, thanks to the BSD license, the whole package comes free of charge. All-Purpose pfSense takes its strange name from the PF firewall in Open
24%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
25-E SSD [9] courtesy of Intel is mounted as /dev/sdd ext4 filesystem with the default options Open MPI [10] v1.5.4 NAS Parallel Benchmarks 3.3.1-MPI [11] Iozone [12] Daemon
24%
Active Directory overview
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Maksym Yemelyanov, 123RF.com
. With an OpenLDAP installation on Linux, the administrator can choose from a number of standard schemas out of the box, such as a schema for managing users and groups for POSIX accounts, users and groups
24%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
use to tinker with HPC? Many of the core HPC programming tools are often too low level for most domain specialists. Learning Fortran, C/C++, MPI, CUDA, or OpenCL is a tall order. These tools tend

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