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Creation time
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100%
Checking password complexity with John the Ripper
30.11.2025
Home
»
Archive
»
2011
»
Issue 6: Perfor...
»
, 378501 c/
s
virtual 18 Long: 1063K c/
s
real, 1063K c/
s
virtual 19
20
Benchmarking: LM DES [64/64 BS]... DONE 21 Raw: 8214K c/
s
real, 8214K c/
s
virtual
22
23 Benchmarking: NT MD4 [Generic 1
x
]... DONE 24
98%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home
»
Archive
»
2010
»
Issue 1: System...
»
check_interval 5 12 retry_interval 1
13
contacts spz_admin 14 notification_period 24
x
7 15
96%
An IT nomad's diary
30.11.2025
Home
»
Archive
»
2011
»
Issue 5: Pen Te...
»
-tuxgeek.rhcloud.com,174.129.129.190' (RSA) to the list of known hosts.
20
Enter passphrase for key '/home/tscherf/.ssh/libra_id_rsa': 21 Confirming application spaceuploader is available
22
Attempt # 1 23 24 Success ... Red Hat's new OpenShift Paa
S
service takes an uncomplicated approach to sending web applications to the cloud.
92%
Give your servers the once over with Nmap
31.10.2025
Home
»
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
91%
Using Expect scripts to automate tasks
31.10.2025
Home
»
Archive
»
2012
»
Issue 12: NAS S...
»
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
90%
Monitor your nodes with collectl
30.11.2025
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»
Archive
»
2012
»
Issue 09: Windo...
»
X
4 920 CPU (quad core) 8GB of memory (DDR2-800) The operating system and boot drive are on an IBM DTLA-307020 (
20
GB drive at Ultra ATA/100) /home is on a Seagate ST1360827AS A 64GB Intel
X
90%
Creating an SFTP jail
30.11.2025
Home
»
Archive
»
2011
»
Issue 3: Are yo...
»
SyslogFacility AUTH
20
TCPKeepAlive yes 21 UseDNS no
22
UsePrivilegeSeparation yes 23 Subsystem sftp /usr/local/libexec/sftp-server 24 Match Group sftponly 25 ChrootDirectory /export
86%
A standard cloud computing API
30.11.2025
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Archive
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2011
»
Issue 6: Perfor...
»
total = summary.values.inject(0) { |sum, i| sum += i } 12 puts "Found #{total} instances in the following states:"
13
summary.keys.sort.each do |
s
| 14 printf "%
20
s
%d\n",
s
, summary[
s
] 15 end 16 puts ... addresses this issue by offering a standardized API for infrastructure as a service (Iaa
S
) clouds.
85%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home
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Archive
»
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
84%
Storage system with OpenSolaris and Comstar
30.11.2025
Home
»
Archive
»
2010
»
Issue 0: Active...
»
initial tests are quite reasonable: 1GB memory, a virtual CPU, about
20
GB of disk space, and a bridged network adapter with an Internet connection will do for now. Sun
x
VM VirtualBox is a good choice
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