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12%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
dependencies exist, but I'll assume you are familiar with GCC. Install TCP Wrappers The next step is to install TCP Wrappers [1], which is a host networking Access Control List (ACL) system used to screen
12%
Managing SSH and other remote connections with PAC
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Ivan Datskov, 123RF.com
could monitor the network settings of the server, Marvin, in the bottom half while modifying the matching configuration file on the Milliways server at the top. The Take Screenshot item grab screenshots
12%
Monitoring KVM instances with Opsview
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Gina Sanders, Fotolia
on the local network, system load, and SSH access – after all, you will probably want to know if remote access to the host is possible. In other words, you need to keep an eye on the following resources
12%
Sys Admin On the Go
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Laurent Davoust, 123RF.com
Messages" box). Nagios and Hobbit are particularly good for larger networks, though. Sending SMS Messages Another option, if you don't want to check your email regularly on your smartphone (or don
12%
Overview of cloud platforms and appliances
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Athiphan Chunmano, 123RF
, your scaling options are virtually unlimited, and you can add Content Delivery Networks (CDN). As an example, SlideShare [1] integrates document downloads and Flash file hosting with Amazon S3 and Cloud
12%
Demystified: The facts about green IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Iakov Kalinin, 123RF
1 1 0 Backup 50 1 1 1 Network printer 100 1 0 0 File server 50 1 1 0
12%
Windows Performance Toolkit and System State Analyzer
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Ewa Walicka, fotolia.com
trace.etl -a sysconfig command. The systeminfo command lists server information at the prompt, including information on hotfixes, network cards, the CPU, the operating system, the vendor, and so on – even
12%
Managing mailing lists with Mlmmj
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© suze, Photocase.com
across the network or using USB/DVD – you will appreciate this feature. Admittedly, the configuration described above doesn't appear entirely intuitive; however, with some scripting you can reduce
12%
PipeCD for CI/CD
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Photo by Kazuo ota on Unsplash
a virtual data center, providing dynamic functions such as network and storage, which means workloads can be orchestrated by a fleet of systems. However, Kubernetes (K8s) is known for its complexity
12%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
networks), classified as optimization because it reduces overall cycles. Sentinel Extending a data structure to eliminate code testing for a special case condition. Code motion

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