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100%
Using Expect scripts to automate tasks
31.10.2025
Home
»
Archive
»
2012
»
Issue 12: NAS S...
»
12
# quickly" after prompts. If you find your new script hanging up at 13 # one spot, try adding a short sleep just before the previous send. 14 # Setting "force_conservative" to 1 (see below) makes ...
12
98%
Reading and understanding database execution plans
31.10.2025
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Archive
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2012
»
Issue 12: NAS S...
»
(dbms_xplan.display );<+>2<+> 10 11
12
-----------------------------------------------------
3
------4---- 13 | Id | Operation | Name | Bytes | Cost | 14 ...
12
17%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
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»
Archive
»
2010
»
Issue 1: System...
»
active_checks_enabled 1
22
passive_checks_enabled 0 23 check_command check_ssh 24 max_check_attempts
3
25
16%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
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Archive
»
2010
»
Issue 1: System...
»
_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
15%
Give your servers the once over with Nmap
31.10.2025
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Archive
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2012
»
Issue 11: Cloud...
»
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION
22
/tcp open ssh OpenSSH 4.
3
(protocol 2.0) 25/tcp closed smtp
15%
Monitor your nodes with collectl
30.11.2025
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Archive
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2012
»
Issue 09: Windo...
»
25-E SSD [9] courtesy of Intel is mounted as /dev/sdd ext4 filesystem with the default options Open MPI [10] v1.5.4 NAS Parallel Benchmarks
3.3
.1-MPI [11] Iozone [
12
] Daemon
14%
Checking password complexity with John the Ripper
30.11.2025
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Archive
»
2011
»
Issue 6: Perfor...
»
c/s virtual
12
13 Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE 14 Raw: 723 c/s real, 723 c/s virtual 15 16 Benchmarking: Kerberos AFS DES [48/64 4K]... DONE 17 Short: 378501 c/s real
14%
Storage system with OpenSolaris and Comstar
30.11.2025
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»
2010
»
Issue 0: Active...
»
01 # zfs set volsize=
3
g mypool/vol1
12
02 # zfs get volsize mypool/vol1 13 03 NAME PROPERTY VALUE SOURCE 14 04 mypool/vol1 volsize
3
G - 15 05 # sbdadm modify-lu -s
3
g 600144f05f71070000004bc981ec0001
14%
Enterprise software management with Red Hat Satellite Server
30.11.2025
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Archive
»
2012
»
Issue 09: Windo...
»
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
14%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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Archive
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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
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