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18%
SHA-3 – The new hash standard
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Warakorn Harnprasop, 133RF.com
. Cryptographic hash functions had been ignored by researchers for too long. In all, 64 proposals [3] were submitted for the competition, and these were subsequently reduced in several rounds to 15 and then 5 ... SHA-3 ... SHA-3 – The new hash standard
18%
Manage status messages in CouchDB with MapReduce
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Photo by Austin Distel on Unsplash
query large amounts of data on distributed systems. CouchDB has been an Apache project since 2008. Version 1.0 in 2010 has evolved into version 3.3 today. "Couch" was originally an acronym for "cluster
18%
Kopano Groupware – an open source productivity suite
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Klementiev, fotolio.com
kopano-server-packages # exit Listing 2 Community Kopano on Ubuntu 18.04 $ wget https://download.kopano.io/community/core%3A/core-10.0.6.349.8669778-Ubuntu_18.04-amd64.tar.gz $ tar xfz
18%
DDoS protection in the cloud
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Amy Walters, 123RF.com
, and IP protocol information, so you can detect variations in the connection patterns. SNMP-only counters do not necessarily offer such options, depending on the management information base (MIB) used [3
18%
News for Admins
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
 
the next four years. NIST will award up to $3.6 million for Regional Alliances and Multistakeholder Partnerships to Stimulate (RAMPS) cybersecurity education and workforce development projects. The VA
18%
Server administration using Cockpit
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Alexandr Marinenko, 123RF.com
the tool licensed under LGPL 2.1 for the similarly named openITCOCKPIT [3]. All Inclusive Red Hat has not even been working on Cockpit for a full two years. The work on it can now be done openly on Git
18%
Throw Down the Gauntlet
14.08.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
© bluebay, 123RF.com
 rejected all cipher suites.    * TLSV1_3 Cipher Suites:       Server rejected all cipher suites.    * Resumption Support:       With Session IDs:                  OK - Supported (5 successful, 0 failed, 0 errors, 5 total
18%
Ansible as an alternative to the Puppet configuration tool
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Jenzig, photocase.com
to Ansible [3]. The Ansible configuration tool promises automation with a learning curve that is much shorter than Puppet's – and without compromising quality. Puppet Even back in the old days, when every
18%
Analyzing tricky database problems
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Photo by Quino Al on Unsplash
, six MariaDB servers [2] are used in Galera Cluster [3], and hosting is handled by nine Apache servers (four each for sync and web and one for management). Switch uses Redis [4] as its key-value store
18%
Fixing Ceph performance problems
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kritiya Sumpun, 123RF.com
storage by splitting up these files and putting them back together again later. When the user uploads a file to RADOS, the client breaks it down into several 4MB objects before uploading, which RADOS

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