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18%
Protecting the production environment
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Intricate Explorer on Unsplash
that Puppet cannot detect. A typical example in the Unix environment is the sequence for setting up a service. You have to (1) install the package, (2) adjust its configuration file, and (3) start
18%
ONIE and Cumulus Linux on a switch
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Brian Kenney, 123RF.com
01 auto br0 02 iface br0 03 bridge-ports swp1 swp2 swp3 swp4 swp5 04 bridge-stp on Because the list would be pretty long for 52 ports, you can also do the following specify
18%
Mesh Service for OSI Layers 2 and 3
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Photo by James Pond on Unsplash
level of TCP streams and UDP datagrams) and 7 (HTTP/application protocols) can be configured comprehensively, whereas the underlying Layer 2 and Layer 3 network (frames and IP packet layers) cannot. Who ... Mesh Service for OSI Layers 2 and 3
18%
Handy Windows tools for sniffing network traffic
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Barna Tanko, 123RF.com
and analyzing network packets are SmartSniff [1], SniffPass [2], and Open Visual Traceroute [3]. In this article, I introduce these three handy utilities and also take a look at Microsoft Message Analyzer, which
18%
Server administration with Cockpit
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Photo by Joshua J. Cotten on Unsplash
at the blog [3] reveals that new versions of Cockpit are released approximately every two weeks. In an article from 2015 [4], ADMIN looked into the topic of managing Linux servers with Cockpit; since then
18%
Exploring the filesystem that knows everything
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
Lucy Baldwin, 123RF
: 6 08 microcode : 0x60c 09 cpu MHz : 800.000 10 cache size : 6144 KB 11 physical id : 0 12 siblings : 2 13 core id : 0 14 cpu cores : 2 15 apicid
18%
TLS 1.3 and the return of common sense
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image Creative Commons CC0 TheDigitalArtist Pixabay
]). Figure 2: A vulnerable majority: Only a tiny number of sites surveyed in May 2018 (7.6%) support a 3,072-bit key exchange (image source: Qualys SSL Labs [2]). On discovering the ROBOT exploit against ... After a decade in service, TLS 1.2 is showing many signs of aging. Its immediate successor, TLS 1.3, has earned the approval of the IETF. Some major changes are on the way. ... TLS 1.3 ... TLS 1.3 and the return of common sense
17%
Integrating OCS information into monitoring with OpenNMS
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Kheng Ho Toh, 123RF.com
and production. To show how monitoring profiles can be implemented for a specific server, the example distinguishes between mail, web, and database servers. It assumes that the stable version 1.12.3 of OpenNMS [6
17%
A self-healing VM system
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © THISSATAN KOTIRAT , 123RF.com
better system protection, you can set the node monitor to "respawn" if it ever shuts down for any reason (notification email is recommended). The OS for the test environment is Red Hat Enterprise Linux 7.3
17%
Setting up FreeNAS
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Franck, 123RF.com
. FreeNAS does require some hardware planning, but it is well documented. Because the system is based on FreeBSD 9.3 [6], you can find lots of details on the FreeBSD Hardware Compatibility List [7]. If you

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