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Creation time
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100%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
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Archive
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2010
»
Issue 1: System...
»
friday
00:00-24:00
10 saturday
00:00-24:00
11 } 12
13
define timeperiod{ 14 timeperiod_name wochentags 15 alias Robot Robot
94%
Using Expect scripts to automate tasks
31.10.2025
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Archive
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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
91%
Monitor your nodes with collectl
30.11.2025
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Archive
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2012
»
Issue 09: Windo...
»
:sda]RKBytes [DSK:sda]Writes 21 [DSK:sda]WMerge [DSK:sda]WKBytes [DSK:sda]Request [DSK:sda]QueLen \[DSK:sda]Wait [DSK:sda]SvcTim [DSK:sda]Util
22
20120310
13
:39:10 sdb 0 0 0 2 4 24 12 0 12 2 0 sda 0 0 0 0 0 0 0 0 0 0
86%
Checking password complexity with John the Ripper
30.11.2025
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Archive
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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
85%
Storage system with OpenSolaris and Comstar
30.11.2025
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Archive
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2010
»
Issue 0: Active...
»
/nsswitch.conf (Konfigurieren der Namensauflösung) 08 ... 09 hosts files dns 10 ipnodes files dns 11 ... 12 # vi /etc/hosts
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::1 localhost 14 127.0.0.1 localhost 15 192.168.1.200 myiscsiserver myiscsiserver.local loghost 16
85%
Reading and understanding database execution plans
31.10.2025
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2012
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Issue 12: NAS S...
»
)
13
Index Cond: (sale_date > (('now'::text)::date - '6 mons'::interval month)) 14 Filter:<+>3<+> (eur_value >= 10::numeric) 15 -> Hash (cost=1672.
00..1672.00
<+>4<+>rows=10000 width=1035) 16 -> Seq Scan
84%
Give your servers the once over with Nmap
31.10.2025
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Archive
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2012
»
Issue 11: Cloud...
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.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
84%
An IT nomad's daily diary
30.11.2025
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2011
»
Issue 6: Perfor...
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\ 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%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
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2011
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Issue 6: Perfor...
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.network.type = veth 04 lxc.network.flags = up 05 lxc.network.link = br0 06 lxc.network.hwaddr = 08:
00
:12:34:56:78 07 #lxc.network.ipv4 = 0.0.0.0 08 lxc.network.ipv4 = 192.168.1.69 09 lxc.network.name = eth0 10 lxc
82%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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2011
»
Issue 6: Perfor...
»
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
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