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87%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
Commands = -f /var/log/collectl -r00:00,7 -m -F60 -s+YZCD --iosize These options allow me to monitor CPU, disk, and network in brief mode and slab, processes, and disk in detailed mode. I also added the ability
85%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
\ 02 --hostname=foo.bar.de --mac- address=00:40:26:CA:10:DD \ 03 --kopts="stage=test app=www" --ksmeta="stage=test app=www" 04 # cobbler system edit --name=foo --interface=eth0 --mac=00:40:26:CA
83%
Storage system with OpenSolaris and Comstar
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Aleksandr Fomenkov, 123RF.com
255 sec 63> 05 /pci@0,0/pci15ad,1976@10/sd@0,0 06 1. c8t1d0 S-1.0-10.00GB> 07 /pci@0,0/pci15ad,1976@10/sd@1,0 08 # 09 # zpool create mypool c8t1d0 10 # zpool status -v 11 pool
83%
Enterprise software management with Red Hat Satellite Server
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© robbiverte, 123RF.com
, which already has the required ports open at the server and firewall(s). We recommend not using Yum for every Red Hat Enterprise Linux (RHEL) server because it opens too many systems to intrusion, which
82%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
Model"; 11 $work = "ebiz-tx"; 12 $node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime = 2.2 * 1e-3; # dummy service time 17 18
82%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
-net.rules -e "s/$oldmac/$newmac/" 19 virt-edit $vmname /etc/sysconfig/network -e "s/vm1/$vmname/" 20 21 echo $newid >> vm-list.txt 22 23 echo "cloning finished, starting vm" 24 virsh start $vmname
81%
Touring the top Knoppix debugging and rescue tools
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Rafal Olechowski, 123RF.com
: 1487680 0 IO-APIC-fasteoi uhci_hcd:usb3 14 22: 22998855 0 IO-APIC-fasteoi psb@pci:0000:00:02.0 15 23: 3084145 0 IO-APIC-fasteoi hda_intel 16 24: 1 0
81%
SSH Administration – Windows in a Unix World
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Gino Santa Maria, 123RF.com
to a remote host, allow this with the command $ xhost + and then export your display to the remote host on which you want to view the applications. $ export DISPLAY=hostname:0.0 On the system
81%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
Resource 01 primitive p_filesystem ocf:heartbeat:Filesystem params 02 device="/dev/drbd/by-res/disk0/0" directory="/opt" fstype="gfs2" 03 op monitor interval="120s" meta target-role="Started" 04 clone cl
81%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
of options, including dual four-core Xeon, dual six-core Xeon, or quad 12-core AMD processors ranging in speed from 2.2 to 2.9GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per

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