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  • [x] Creation time: Last three months
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  • Article (Print) (213)
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18%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
/O pattern of the application. A similar tool called collectd [4] is run as a daemon to collect performance statistics much like collectl. These tools can help you understand what is happening on individual
18%
Microsoft Exchange 2010: The Highlights
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© peapop, Fotolia.com
an archive for each member of staff, although this is a premium feature and does require an Exchange Premium Client Access License for each user (Figure 4). Once enabled, the archive is automatically displayed
18%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
)*   Julia Python MATLAB Octave R JavaScript   v3f670da0 v2.7.1 vR2011a v3.4 v2.14.2 v8 3.6.6.11 fib 1.97 31
17%
Avoiding chaos in clusters with fencing
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© kobra78, Fotolia.com
in this scenario and one of them is still working, Pacemaker can set the flag for the failed node, as long as the fencing function is enabled in DRBD. To do this in DRBD 8.4, you need to set the fencing resource
17%
Virtual switching with Open vSwitch
30.11.2025
Home »  CloudAge  »  Articles  » 
rustycarr, 123RF
from these features, you first need to install Open vSwitch. Prebuilt packages exist for Debian Sid (unstable). You can download packages for Fedora/Red Hat from my own website [4]. You can also install
17%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
c/s virtual 12 13 Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE 14 Raw: 723 c/s real, 723 c/s virtual 15 16 Benchmarking: Kerberos AFS DES [48/64 4K]... DONE 17 Short: 378501 c/s real
17%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
about what you will be measuring up front and then to validate the results. The program uses a standard block size of 4KB, as you can see at the start of the output for the job groups. The 16,000 Kbps
17%
Filtering email with Sieve
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© radist777, 123RF.com
2 10:15:51 mail dovecot: deliver (sieve): sieve: msgid=<4E37B272.2060705@ meinefirma.tld>: stored mail into mailbox ' Junk' In the Sieve language, you start by stating the condition, which then leads
17%
Tracing applications with OProfile and SystemTap
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© boing, Photocase.com
686 oprofile-0.9.5-4.fc12.i686 To profile the kernel, you need to tell OProfile where the kernel image is located with the --vmlinux option: opcontrol --setup --vmlinux=/usr/lib/debug/lib/ modules
17%
Demystified: The facts about green IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Iakov Kalinin, 123RF
-Cap Small Business Sole Proprietor Workstation (with display) 10 50 10 1 Workplace printer 1,300 15 4 1 Scanner 50

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