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13%
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
13%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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»
Archive
»
2012
»
Issue 07: Xen v...
»
_world[]="Hello World\
n
"; 08 static dev_t hello_dev_number; 09 static struct cdev *driver_object; 10 static struct class *hello_class; 11 static struct device *hello_dev;
12
13 static ssize_t driver_read( struct file
13%
Checking password complexity with John the Ripper
30.11.2025
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»
Archive
»
2011
»
Issue 6: Perfor...
»
for checking a password hash file against a password dictionary is very high. A hacker can recover dictionary-based passwords in minutes, whereas a brute force attack can take days. Brute force is a single-character-at-
a
13%
vSphere 5 vs. XenServer 6
30.11.2025
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»
Archive
»
2012
»
Issue 07: Xen v...
»
[
9
]. Test version: Two XenServer trials are available [10]. Although I would have liked to include the future version 3 of the Red Hat Enterprise Virtualization [4] product as a long
13%
I/O benchmarks with Fio
30.11.2025
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»
Archive
»
2011
»
Issue 5: Pen Te...
»
workload is pretty time-consuming. The current version of Fio is 1.57. I have created a package for Debian that the Ubuntu developers integrated into Ubuntu. If you have SUSE versions since SLES
9
and open
13%
Moving HPC to the cloud
31.10.2025
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Archive
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2012
»
Issue 11: Cloud...
»
of options, including dual four-core Xeon, dual six-core Xeon, or quad
12
-core AMD processors ranging in speed from
2.2
to 2.
9
GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per
13%
Getting started with I/O profiling
30.11.2025
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»
Archive
»
2012
»
Issue 08: FreeNAS
»
developed a simple program in Python that goes through the strace output and does this statistical analysis for you. The application, with the ingenious name "strace_analyzer" [
9
], scans the entire strace
13%
A standard cloud computing API
30.11.2025
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»
Archive
»
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 "%20s %d\
n
", s, summary[s] 15 end 16 puts
13%
Professional backup solutions compared
30.11.2025
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Archive
»
2010
»
Issue 2: Backup...
»
) with
12
Serial ATA disks, a 320 UW SCSI controller for the host connection, and 512MB cache. I configured various disk groups and logical volumes on this powerful hardware and exported them to the backup
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