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27%
Secure remote access and web applications with two-factor authentication
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© maigi, 123rf.com
and supplies (e.g., eBay/PayPal's GO 3 token, known as a "security key"). At the heart of two-factor authentication is the Identikey server, which – in the basic version – comprises a RADIUS interface
27%
Magnum: Exploring OpenStack's Container API
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ulrich M ller, 123RF.com
| cirros-0.3.4-x86_64-uec | ami | ami | 25165824 | active | | 2bbf1d2a-75d8-4c1b-a9e1-2ff65d5ff725 | cirros-0.3.4-x86_64-uec-kernel | aki | aki | 4979632
27%
Hardening SSH authentication to the max
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © shutter999, 123RF.com
-required $ ssh-keygen -t ed25519-sk -O resident -O application=ssh: -O verify-required You need firmware version 5.2.3 or later on the YubiKey. The is simply text that describes where
27%
Processing streaming events with Apache Kafka
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Photo by Mark Decile on Unsplash
simplify the operation of fully managed serverless infrastructures, in particular, but also of platform-as-a-service offerings. Apache Kafka version 3.0 will remove the dependency on ZooKeeper (for
27%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
timezone 19 timezone Europe/Vienna --isUtc --ntpservers 172.23.48.8,172.23.48.9 20 # user setup 21 user --name=example-user --password= --iscrypted --gecos="example-user" 22 # Disk partitioning
27%
Tool your HPC systems for data analytics
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Sergey Nivens, 123RF.com
analytics is the combination of two concepts: "data analysis" and "analytics." Data analysis [3] is very similar to data analytics, in that it is the process of massaging data with the goal of discovering ... 22
27%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
. The problem is well known [3] and should be fixed in the next release. Because the index resides in volatile memory, stopping and then restarting is not a good idea. As an interim solution, you can send kill
27%
Certificate management with FreeIPA and Dogtag
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by Oscar Sutton on Unsplash
._tcp.mykier.ip,ipa.mykier.ip,389 A Berkeley Internet Name Domain (BIND) 9 DNS server needs the same entries, but in a different format: _kerberos._udp.mykier.ip. 86400 IN SRV 0 100 88 ipa.mykier.ip. [...] The important
27%
Web applications with Julia
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © sony sivanandan, 123RF.com
the binary media data as text. Among the myriad ways to do this, the standard in browsers is Base64 encoding [22], provided in Julia by the IBase64 package. Listing 4 shows the server program from Listing 3
27%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
. This prevents the sender from filling up the cache too quickly. Port Scanners Nmap [3], which recently went to version 5.0, is the Swiss army knife of port scanners. Portbunny [4] is a relatively new tool

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