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18%
News for Admins
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
 
-hacking-exploit.html), there are more than 500 million WinRAR users in the world, and all these users are now at risk of compromise. A 19-year-old bug was discovered in WinRAR that allows hackers to execute arbitrary code on a targeted
18%
Building a custom Cyberdeck
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Lucy Baldwin, 123RF.com
experimenting with the keyboard-integrated computer format so popular back in the age of Commodore's Amiga and C64 machines, launching the Pi 400 [3] and its recent upgrade, the Pi 500 [4], soon after the launch
18%
Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
of money given the volumes that Instagram generates. The wholesaler Metro faced another challenge; it runs more than 750 stores in 35 countries and employs around 1,500,000 people. Because of the imminent
18%
OpenMP – Parallelizing Loops
03.04.2019
Home »  HPC  »  Articles  » 
that executed on the GPUs and produced massive speedups for many applications. Starting with OpenMP 4.0, the OpenMP standard added directives that targeted GPUs and has expanded on this capability
18%
Big Samba Security Bug Revealed
03.03.2015
Home »  News  » 
 
. The vulnerability, which was originally discovered by Microsoft, affects Samba versions from 3.5.0 to 4.2.0rc4. The Samba project has already released a patch and recommends an immediate patch or upgrade. The Samba
17%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
/O requests and write that same amount of data in a stripe across multiple drives (e.g., RAID0), you are reducing the amount of work that a single drive must perform to accomplish the same task. For magnetic
17%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
, but the performance isn't anything to call home about. A quick run of Linpack [3] shows that a Raspberry Pi Model B achieved about 0.065 giga-floating point operations per second (GFLOPS) for single-precision and 0
17%
Server virtualization with Citrix XenServer
04.08.2011
Home »  CloudAge  »  Articles  » 
 
In the summer of 2007, Citrix invested around US$ 500 million to acquire Xensource, the developers of the free Xen hypervisor. Xensource and its free hypervisor form the basis for what is probably
17%
Monitoring network traffic with ntopng
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Natalia Lukiyanova, 123RF.com
; the license includes five days of installation support and updates for one year. Prices for the x64 platform at press time were: ntopng Enterprise for Linux/Windows: EUR500 (~$500) ntopng Professional
17%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
, such as Apache, MySQL, SNMP, and vSphere. Making Nodes Transparent To test node_exporter (like Prometheus, also written in Go), enter tar xzvf node_exporter-0.14.0.*.tar.gz cd node_exporter-0.14.0.linux-amd64

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