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19%
Save money with Samba as the domain controller on a legacy Windows NT-style domain
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© Bernad, fotolia.com
Entries (default: 0 => off) account policy "password history" value was: 0 account policy "password history" value is now: 20 root@samba:/# pdbedit -P "bad lockout attempt" -C 3 account policy "bad lockout ... Samba can act as a PDC or BDC on a Windows NT4-style domain. Compared with a Windows-only solution, Samba saves money on licensing, and users can log in from Linux or OS X.
19%
Secure remote access and web applications with two-factor authentication
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© maigi, 123rf.com
, one-time passwords, or both. Certificate-based two-factor authentication typically uses digital PKI certificates based on the X.509 standard. These are typically stored on a hardware certificate storage
19%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
:1071867223(0) win 512 98:15:eb:38:f3:c1 c8:d7:c1:61:be:a3 0.0.0.0.30693 > 0.0.0.0.57646: S 1759104040:1759104040(0) win 512 dc:6d:43:15:be:52 99:19:41:22:4e:36 0.0.0.0.29211 > 0.0.0.0.63665: S 481173385
19%
Getting a free TLS certificate from Let's Encrypt
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Stuart Miles, 123RF.com
echo " certificates exist, but apparently are very fresh, do not get new ones" 50 sleep 3 51 # notify and exit this loop iteration, continuing with the next 52
19%
Compiler Directives for Parallel Processing
12.08.2015
Home »  HPC  »  Articles  » 
's definitely not a small organization, having well over 12x1015 floating-point operations per second (12PFLOPS) of peak performance in aggregate. At the recent XSEDE conference during a panel session
19%
SmartOS as a virtualization platform
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Paulus NR, 123RF.com
: cd / curl -k http://pkgsrc.joyent.com/packages/SmartOS/bootstrap/bootstrap-2013Q3-x86_64.tar.gz | gzcat | tar-xf - To rebuild the package database and update it, enter: pkg_admin rebuild pkgin -y up
19%
First steps in IT automation by Rex
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Konstantin Chagin , 123RF.com
_system_release = '12.04' 17 $eth0_mac = '08:00:27:c4:a1:d8' 18 $VirtInfo = { 19 virtualization_role => 'guest' 20 virtualization_type => 'virtualbox' 21 } 22 $memory_shared = '0' 23 $Network = { 24 networkdevices
19%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
the Debian-based, distributions install it along with openvpn – one exception being Ubuntu, which only offers easy-rsa starting with Cosmic Cuttlefish (Ubuntu version 18.10) [3]. The successor, Easy-RSA 3
18%
Red Hat Storage Server 2.1
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © avian, 123RF.com
SANs, although Red Hat marketing documents [4] claim that RHSS 2.1 "can generate up to 52 percent in storage system savings and an additional 20 percent in operational savings." These figures clearly
18%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
web interface, a REST API, and support for a wider array of databases. Because Icinga was forked from Nagios code, it maintains compatibility with Nagios plugins [3]. Some of Icinga's key features are

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