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15%
Give your servers the once over with Nmap
31.10.2025
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»
Archive
»
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%
First steps in IT automation by Rex
11.06.2014
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»
2014
»
Issue 21: Manag...
»
_system_release = '
12
.04' 17 $eth0_mac = '08:
00
:27:c4:a1:d8' 18 $VirtInfo = { 19 virtualization_role => 'guest' 20 virtualization_type => 'virtualbox' 21 }
22
$memory_shared = '0' 23 $Network = { 24 networkdevices
15%
Asynchronous PostgreSQL
12.09.2013
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»
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2013
»
Issue 16: Docker
»
Timeout Test $ time curl http://localhost/cgi/burn0.pl\?4.9
00:00
:04.900198 real 0m4.958s user 0m0.003s sys 0m0.006s $ time curl http://localhost/cgi/burn0.pl\?5.1 curl: (
52
) Empty reply from
15%
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
15%
Measuring the performance of code
04.08.2020
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2020
»
Issue 58: Graph...
»
// (c) 2020 by Federico Lucifredi 04 05 #include
06 #include
07 #include
08 #include
09 #include
10 #include
11 #include
12
13
14%
Monitor your nodes with collectl
30.11.2025
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2012
»
Issue 09: Windo...
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: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
14%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
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was there. To test whether this worked, ssh to the node n0001 as root. [root@test1 ~]# ssh n0001 Last login: Sat May 26
12:00
:06 2012 from 10.1.0.250 The /etc/hosts on the master node works fine
14%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
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2011
»
Issue 6: Perfor...
»
.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
14%
Resource Management with Slurm
05.11.2018
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# for your environment. 05 # 06 # 07 # slurm.conf file generated by configurator.html. 08 # 09 # See the slurm.conf man page for more information. 10 # 11 ClusterName=compute-cluster
12
Control
14%
Resource Management with Slurm
13.12.2018
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2018
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Issue 48: Secur...
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.conf file generated by configurator.html. 08 # 09 # See the slurm.conf man page for more information. 10 # 11 ClusterName=compute-cluster
12
ControlMachine=slurm-ctrl 13 # 14 SlurmUser=slurm 15 Slurmctld
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