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77%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
on; service iscsi start 02 # iscsiadm -m discovery -t st -p 192.168.10.200 03 iqn.2008-01.com.example:storage.iscsi.disk1 04 # iscsiadm -m node -T iqn.2008-01.com.example:storage.iscsi.disk1 -p 192 ... 0
76%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
:10:DD \ 05 --ip=192.168.0.1 --subnet=255.255.255.0 --gateway=192.168.0.254 \ 06 --static=1 --netboot-enabled=Y All of this is no big deal if I'm just setting up a couple of machines
75%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
://en.wikipedia.org/wiki/Message_Passing_Interface strace MPI: http://en.community.dell.com/techcenter/high-performance-computing/w/wiki/2265.aspx MPI strace Analyzer: http://clusterbuffer.wordpress.com/strace-analyzer/mpi-strace-analyzer/ MPI strace ... 8
75%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
/0K /s] [4137 /0 iops] [eta 00m:06s] In the example, the first job is performing a sequential read, marked as r in square brackets, while Fio hasn't initialized the second job, marked as P
75%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
(%) Sdb (%) 1 24 0.039 21 8 4 2 48 0.039 41 13 5 4 85 0.044 74 20 5 7
74%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
m0.008s Line 8 of the backtrace in Listing 6 shows that the issue is caused by the file permissions: The Nagios user wants to write the webrat.log file but does not have the required permissions
74%
News
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
 
at 8 percent of all circulating malware." According to the report, the average number of infected PCs around the world stands at 35.51 percent, which is slightly down from 2011. China led this ranking
72%
Touring the top Knoppix debugging and rescue tools
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Rafal Olechowski, 123RF.com
04 errs: 0, errxfer: 0.0k, succxfer: 1667072.0k 05 +curr.rate: 5270kB/s, avg.rate: 5808kB/s, avg.load: 8.1% The resulting image, sdb ... 0
71%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
://www.partimage.org "Libguestfs" by Richard W.M. Jones, Linux Pro Magazine , September 2010, pp. 22-26 Guestfish with filesystem: http://libguestfs.org/guestfish.1.html#prepared_disk_images Copying files with Guestfish: http://rwmj.wordpress.com
70%
Visualize data throughput with SMBTA
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Qi Feng, 123RF.com
://download.opensuse.org/repositories/network:/samba:/STABLE/ Stresstest appliance 0.0.2: http://holger123.wordpress.com/2011/01/28/smbta-stresstest-0-0-2-released-built-with-smb-traffic-analyzer-1-2-2 Cacti: http://www.cacti.net MRTG: http://oss.oetiker.ch/mrtg/pub/?M

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