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43%
Security without firewalls
31.10.2025
Home
»
Archive
»
2012
»
Issue 12: NAS S...
»
's usually TCP port
22
) to port 2222, for example, to keep port scans from filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations
43%
Enterprise communication with IRC
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
/* connect {}: controls servers we connect to (OLD C:,
N
:, H:, L:) */ 02 connect "services.irc.hastexo.com" { 03 /* the name must go above */ 04 05 /* host: the host or IP to connect to
43%
Archiving email and documents for small businesses
30.11.2025
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»
Archive
»
2012
»
Issue 08: FreeNAS
»
} 20 \usepackage{ngerman} 21 \usepackage[official,right]{eurosym}
22
\\\begin{document}" > att1.tex 23 echo "\end{document}" > att3.tex 24
25
# Merge Latex file components 26 27 cat att1.tex searchkey
43%
Password protection with Phpass
30.11.2025
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»
Archive
»
2011
»
Issue 5: Pen Te...
»
: " . $password . "\
n
"; 13 echo "Hash: " . $hashvalue . "\
n
"; 14 15 // Compare $password with the store has: 16 $passwordfromdb = '$P$
9
IQRaTwmfeRo7ud
9
Fh4E2PdI0S3r.L0'; 17 // stored hash, would
43%
The Swiss Army knife of fault management
30.11.2025
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»
2011
»
Issue 5: Pen Te...
»
="walk" value="true"/>
22
23
24
25
43%
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
43%
Server virtualization with Citrix XenServer
30.11.2025
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»
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»
2010
»
Issue 2: Backup...
»
about the I/O performance on the guest systems, I was able to measure these speed hits on the HP system compared with the bare metal system. Installing a battery-buffered, 512
MB
write cache module vastly
43%
Maatkit tools for database administrators
30.11.2025
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»
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»
2010
»
Issue 2: Backup...
»
of the stress test shown in Figure 2, shows that some 19,200 queries composed of 55 different commands were issued. The system, a server with 768
MB
of RAM and a Pentium 3 CPU, took a total of
22
seconds to answer
43%
VMware Server 2.0 on recent Linux distributions
30.11.2025
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»
Archive
»
2011
»
Issue 3: Are yo...
»
/usr/lib/vmware/bin/vmware-hostd |awk '{print $3}'|grep lib | \ 19 xargs rpm --queryformat '%{NAME}\
n
' -qf |sort -u 20 glibc 21 libgcc
22
libstdc++ 23 libxml2 24 nss-softokn-freebl
25
zlib 26
43%
Quick patches with Ansible
27.05.2025
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»
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»
2025
»
Issue 87: Light...
»
:
22
ansible_ssh_private_key_file: /home/treuss/.ssh/pihole 23 ansible_user: thomas As you can see, I defined my hosts in the file (Figure 1). In this specific case
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