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17%
Convenient graphical remote control
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Thor Jorgen Udvang, 123RF.com
works in the receiving direction right now. V4L-connected Linux webcams are not currently supported by Teamviewer. The Linux version has a couple of other restrictions: The whiteboard function, which
17%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
are automatically granted access to the Cobbler server. You need to modify /etc/cobbler/settings to allow this to happen. Set the redhat_management_permissive statement to 1 for this. Line 4 outputs all
17%
Securing AI model deployments with SELinux
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © Kirsty Pargeter, 123RF.com
, and with SELinux, they failed, with strong access controls enforced on directories and files, demonstrating that SELinux enforces directory integrity (Figure 4
17%
Creating KVM machines with BoxGrinder and VMBuilder
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© yewkeo, 123RF.com
exist only for Fedora right now. The installation is straightforward: yum install rubygem-boxgrinder-build It looks like RHEL and CentOS users will have to wait for version 6.4 before official Box
17%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
, keep an eye on the JSON Gem. The version that now comes with RubyGems, 1.4.3, causes an error in Chef. If gem update installs the offending JSON package on your disk, these commands revert
17%
Operating system virtualization with OpenVZ
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© sculpies, Fotolia.com
). With the exception of (container) virtualization in User-Mode Linux [4], only a single host kernel runs with resource containers. OpenVZ OpenVZ is the free variant of a commercial product called Parallels Virtuozzo
17%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
). These systems run on Fedora; however, the setup would work with any other operating system that the KVM hypervisor supports [4]. In testing, I decided to do without installing more virtual machines to avoid
17%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
it is enabled, users have to authenticate against a special website to access the network or the Internet [4]. Load balancing removes some of the headaches in large networks. pfSense then distributes
17%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
Suite (RHCS) and use CMAN as their Cluster Manager. Depending on the version you use, the implementation will look total different. The initial variant (version 1.0) included with RHEL 4 or very old
17%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anja Kaiser; Fotolia
session: 1. The client requests a TGT from the AS. 2. The AS issues this for the TGS and sends it back to the client. 3. The client requests a service ticket and sends the TGT to the TGS. 4. The TGS

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