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71%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home
»
Archive
»
2012
»
Issue 07: Xen v...
»
that belong to $ASTRUNDIR,
22
# kill them. 23 if [ "$astcanary_pid" ]; then 24 for i in $astcanary_pid; do ocf_run kill -
s
KILL $astcanary_pid; done 25 fi 26 27 for dir in $ASTRUNDIR
71%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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»
Archive
»
2011
»
Issue 6: Perfor...
»
Model"; 11 $work = "ebiz-tx"; 12 $node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node
3
= "DBMServer"; 15 $think =
0.0
* 1e-
3
; # as per test system 16 $dtime =
2.2
* 1e-
3
; # dummy service time 17 18
71%
Creating an SFTP jail
30.11.2025
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2011
»
Issue 3: Are yo...
»
be replaced solely with the sshd configuration directives shown in Listing
3
. Line 16 specifies that SFTP will listen on port 2202 instead of the default SSH port
22
. This option is configurable and left ...
3
70%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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»
2010
»
Issue 0: Active...
»
: 1487680 0 IO-APIC-fasteoi uhci_hcd:usb
3
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
70%
Enterprise software management with Red Hat Satellite Server
30.11.2025
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2012
»
Issue 09: Windo...
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1 4,423.19 8,100.
00
8,012.09 Proxy server subscription 2 4,500.
00
3,850.00
4,006.04 Management/Provisioning subscription 2
69%
High availability clustering on a budget with KVM
30.11.2025
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2010
»
Issue 0: Active...
»
" domain="kvm-node1"/> 47
48
49
50 51 -->
52
69%
One metric to rule them all
31.10.2025
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Archive
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2012
»
Issue 11: Cloud...
»
/loadavg/ [
3
]: 1.
00
0.97 0.94 1/1279 7743 The three additional numbers provided by Linux are the number of running processes (one in this case), the total number of processes, and the last process ID (PID
69%
Tracing applications with OProfile and SystemTap
30.11.2025
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2010
»
Issue 1: System...
»
opcontrol --list-events oprofile: available events for CPU type "Core 2" See Intel Architecture Developer's Manual Volume
3
B, Appendix A and Intel Architecture Optimization Reference Manual (730795-001) INST
68%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
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2012
»
Issue 07: Xen v...
»
Resource 01 primitive p_filesystem ocf:heartbeat:Filesystem params 02 device="/dev/drbd/by-res/disk
0/0
" directory="/opt" fstype="gfs2" 03 op monitor interval="120
s
" meta target-role="Started" 04 clone cl
68%
Moving HPC to the cloud
31.10.2025
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2012
»
Issue 11: Cloud...
»
will provide sub-par performance. A deeper treatment of these issues can be found in a recent article called "Will HPC Work in the Cloud?" [
3
]. Finally, any remote computation scheme needs to address
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