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42%
pfSense firewall and router distribution
30.11.2025
Home
»
Archive
»
2012
»
Issue 07: Xen v...
»
Chris Buechler and Scott Ullrich were unhappy. Although the FreeBSD m0
n
0wall distribution gave them a quick option for setting up a firewall and a router, it was designed for use on embedded systems
42%
Introduction to behavior-driven monitoring
30.11.2025
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»
Archive
»
2011
»
Issue 3: Are yo...
»
Scenarios: 21 cucumber /usr/lib/nagios/plugins/cucumber-nagios/checks/features/www.xing.com/startpage.feature:4 # Scenario: Visiting home page
22
23 1 scenario (1 failed) 24 4 steps (1 failed, 3 skipped)
25
0
42%
Clustering with OpenAIS and Corosync
30.11.2025
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»
Archive
»
2011
»
Issue 3: Are yo...
»
vote is needed to calculate the quorum. When clusters have more than two nodes, at least half the votes from the existing cluster nodes plus one are needed (
n
/2+1). A two-node cluster is thus
42%
Network analysis with Wireshark
30.11.2025
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»
2011
»
Issue 5: Pen Te...
»
for the type of analysis you want to perform. Capture filters use the Libpcap syntax. To filter for a specific MAC address, you would do the following in Libpcap syntax: ether host 00:
25
:4b:bd:24:94 However
42%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
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2012
»
Issue 07: Xen v...
»
17 18 19 20
21
22
23 This example also
42%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
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2010
»
Issue 0: Active...
»
network printer on an internal network. The scan relies on the fact that the IPID (
a
numeric field in the IP packet header) rises linearly on older systems and is thus predictable
42%
Professional backup solutions compared
30.11.2025
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2010
»
Issue 2: Backup...
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) with 12 Serial ATA disks, a 320 UW SCSI controller for the host connection, and 512
MB
cache. I configured various disk groups and logical volumes on this powerful hardware and exported them to the backup
42%
I/O benchmarks with Fio
30.11.2025
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2011
»
Issue 5: Pen Te...
»
] 13 rw=randread 14 runtime=60 15 16 [sequentialread] 17 stonewall 18 rw=read 19 runtime=60 20 21 [randomwrite]
22
stonewall 23 rw=randwrite 24 runtime=60
25
26 [sequentialread] 27 stonewall 28 rw
42%
Using the Expect scripting environment
30.11.2025
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2011
»
Issue 5: Pen Te...
»
} 19 20 -re "($|%|>) " { interact } 21
22
timeout { 23 send_tty "No response from $host\
n
" 24 exit
25
} 26 } The script begins as usual by saving its arguments into variables
42%
Storage system with OpenSolaris and Comstar
30.11.2025
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2010
»
Issue 0: Active...
»
.168.209.200 07 192.168.209.200:3260,1 iqn.1986-03.com.sun:02:8f4cd1fa-b81d-c42b-c008-
a
70649501262 08 # iscsiadm -m node 09 # /etc/init.d/open-iscsi restart 10 # fdisk -l 11 Disk /dev/sdb: 2147
MB
, 2147418112 bytes
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