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17%
Processor and Memory Metrics
12.02.2014
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.py CPU ALL: 1.0 % CPU0 4.1% CPU1 2.0% CPU2 0.0% CPU
3
0.0% CPU4 0.0% CPU5 0.0% CPU6 0.0% CPU7 2.0% CPU ALL: user: 0.7% nice:
0.0
% system: 0.2% idle
17%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
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2010
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Issue 1: System...
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active_checks_enabled 1
22
passive_checks_enabled 0 23 check_command check_ssh 24 max_check_attempts
3
25
17%
Pen Testing with netcat
14.05.2013
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the net start command to get a list of services running (Figure
3
): >net start Figure
3
: Output from the net start command. Several services
17%
Profiling Python code
30.01.2020
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2020
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Issue 55: AWS L...
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%|
3
| 2|
3
.50475e-05| 1.75238e-05| 0.
00
%|import platform 4| 1| 2.19345e-05| 2.19345e-05| 0.
00
%|from time import clock (call)| 1| 2.67029e-05| 2.67029e-05| 0.
00
16%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
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Issue 1: System...
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_dlm] root 3467 7 0 20:07 ?
00:00:00
[o2net] root 3965 7 0 20:24 ?
00:00:00
[ocfs2_wq] root 7921 7 0
22
:40 ?
00:00:00
[o2hb-BD5A574EC8] root 7935 7
16%
Building a HPC cluster with Warewulf 4
04.04.2023
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Issue 74: The F...
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x86_64 2.9.1-9.el8 baseos 393 k groff-base x86_64 1.
22.3
-18.el8 baseos 1.0 M hwloc-ohpc x86_64 2.7.0-
3
16%
Warewulf 4 – Time and Resource Management
17.01.2023
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x86_64 2.9.1-9.el8 baseos 393 k groff-base x86_64 1.
22.3
-18.el8 baseos 1.0 M hwloc-ohpc x86_64 2.7.0-
3
16%
Using Expect scripts to automate tasks
31.10.2025
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2012
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Issue 12: NAS S...
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conservatively originally 21 if {$force_conservative} {
22
set send_slow {1 .1} 23 proc send {ignore arg} { 24 sleep .1 25 exp_send -s -- $arg 26 } 27 } 28
16%
Greylisting with Postgrey
22.06.2012
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: Qmail Delivery Retry Events Delivery Attempt Seconds D-HH:MM:SS 1 0 0-
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2 400 0-
00
:06:40
3
1600 0-
00
:26:40 4
16%
HPC Cloud Storage
20.11.2013
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advantages: S
3
QL. ... 16384 Nov 10 10:
00
lost+found 4 drwxr-xr-x.
3
root root 4096 Nov 10 10:
00
.. 4 -rw-r--r-- 1 root root 294 Nov 10 10:07 s
3
ql_passphrase 4 -rw-r--r-- 1 root root 243 Nov 10 10:07 s
3
ql_seq_no_1 4 -rw ... advantages: S
3
QL. ... S
3
QL Filesystem for HPC Storage
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