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87%
pfSense firewall and router distribution
30.11.2025
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»
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
87%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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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
86%
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
85%
A standard cloud computing API
30.11.2025
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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 "%20s %d\
n
", s, summary[s] 15 end 16 puts
83%
Professional backup solutions compared
30.11.2025
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Archive
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2010
»
Issue 2: Backup...
»
) 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
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