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38%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
for the VPN setup described in this article. Finally, you just need to store the new user certificates on the users' e-tokens. The following command openssl pkcs12 -export -in John_Doe.\ crt -inkey John_Doe
38%
FreePBX phone system
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © Lofik, Fotolia.com
as a possible solution because of the many online publications on this subject. A Raspberry Pi 5 offers enough compute power, at least for smaller phone systems. However, this idea does not really fly for several
38%
Tricking Intruders with HoneypotMe
26.10.2012
Home »  Articles  » 
 
with SYN/ACK flags, which it tunnels back to the attacker. Any further communication will, of course, take place between the attacker and the analysis component, so that the connection does not need
38%
Building Virtual Images with BoxGrinder and VMBuilder
07.01.2013
Home »  Articles  » 
 
grouplist does not know about the minimum core group. Besides the keywords described here, you can use the appliance definition file to specify other package repositories (packages ), integrate other
38%
Routing with Quagga
19.02.2013
Home »  Articles  » 
’t handle the routing (that is still the domain of the underlying operating system kernel); however, it does provide a number of routing protocols – Routing Information Protocol (RIP), RIPng, Open Shortest
38%
Improved Performance with Parallel I/O
24.09.2015
Home »  HPC  »  Articles  » 
/O in serial applications is simple: one thread or process does it all. It doesn’t have to read data and then pass it along to another process or thread. It doesn’t collect data from other processes and threads
38%
Protecting documents with Azure Information Protection
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
limit the group of users, as does the option of tracking documents and locking them if necessary. Meshing with Azure AD To try AIP, you need an Office 365 subscription that includes AIP. If you already
38%
Link aggregation with kernel bonding and the Team daemon
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Steven Cukrov, 123rf.com
redundancy. In such a setup, the server is connected to separate switches by different network ports, so that the failure of one network device does not take down the server. The admin might want to bundle
38%
Fixing Ceph performance problems
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kritiya Sumpun, 123RF.com
operations take ages, despite not aborting with an error message. Ceph itself detects these slow writes and displays them (more about this later). It does no harm, however, to discover these tell-tale Drive
38%
Tinkerbell life-cycle management
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Bee Felten-Leidel on Unsplash
environment is not new either. As an admin, you will always encounter the same old acquaintances: DHCP, PXE, TFTP, HTTP or FTP, NTP – that's it. This begs the question: What does Tinkerbell do differently than

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