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  • [x] Creation time: Last three months
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  • Article (Print) (54)
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75%
Strategies for routing voice calls around a firewall
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
gnohz, 123RF.com
.atlanta.com:5060; branch=z9hG4bKnashds8 03 Max-Forwards: 70 04 To: Bob com> 05 From: Alice com>;tag=1928301774 06 Call-ID: a84b4c76e66710 07 CSeq: 314159 INVITE 08 Contact
75%
openlava – Hot resource manager
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Konrad Bak, 123RF.com
_NAME type model cpuf ncpus maxmem maxswp server RESOURCES test1 DEFAULT DEFAULT 1.0 4 7363M 13999M Yes () n0001 UNKNOWN UNKNOWN_ 1.0 - - - Yes
72%
Creating RAID systems with Raider
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
©Slawomir Kruz, 123RF.com
% /dev/shm /dev/sda1 485M 35M 425M 8% /boot /dev/mapper/VolGroup-lv_home 235G 188M 222G 1% /home The command raider -R5 sda sdb sdc sdd starts
72%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
to the default statistics monitored. The line in /etc/collectl.conf is: Test System Scientific Linux 6.2 [8] 2.6.32-220.4.1.el6.x86_64 kernel GigaByte MAA78GM-US2H motherboard AAMD Phenom II
72%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
today is offered by Debian 5, Ubuntu 8.10 or later, or CentOS 5.x. Setting up the server on any other system can be an adventure. This article mainly relates to Debian and Ubuntu for this reason
72%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
KB 30,070 23,099 37,496 31,502 42,044 22,318 22,440 40,013 1KB < < 8KB 5,105 5,144 4,968 5,094 4 ... 8
71%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Sergej Khackimullin, 123RF
CPU PROCESS/NLWP # 173 daemon 17M 11M sleep 59 0 3:18:42 0.2% rcapd/1 # 17676 apl 6916K 3468K cpu4 59 0 0:00:00 0.1% prstat/1 # ... # ZONEID NPROC SWAP RSS MEMORY TIME
71%
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
71%
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
70%
The next generation of Internet connectivity
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
ktsdesign, 123RF.com
, which makes for a ridiculously large address space, although back when IPv4 was created, I'm sure they thought the same thing (see the "IPv6 Logging" box). IPv6 Logging For any logging of network ... Transitioning from IPv4 to IPv6 will be messy; we describe IPv6 served three ways.

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