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25%
A standard cloud computing API
30.11.2025
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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
25%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
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Mike Flippo, 123RF
="" 04 PING="ping -c1 -w 3" 05 PING2="" 06 07 case $OS in 08 HP-UX*) 09 PING=ping 10 PING2="-n 1" 11 RSH="remsh" 12 RSH2="-l user" 13 ;; 14 Sun
25%
Checking password complexity with John the Ripper
30.11.2025
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from compromised systems is John the Ripper (John). John is a free tool from Openwall [1]. System administrators should use John to perform internal password audits. It's a small (<1MB) and simple
25%
Galera Cluster for MySQL
30.11.2025
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© Noel Powell, fotolia.com
to install the Pen load balancer, and Listing 12 shows a query to Pen. Listing 11 Installing and Starting Pen wget http://siag.nu/pub/pen/pen-0.18.0.tar.gz tar xf /download/pen-0.18.0.tar
25%
Enterprise communication with IRC
30.11.2025
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© anyka, 123RF.com
. If a hostname is used it 06 * must match the reverse dns of the server. 07 * / 08 host = "10.42.0.1"; 09 10 /* passwords: the passwords we send (OLD C:) and accept (OLD N:). 11
25%
OpenVPN with e-tokens in large-scale environments
30.11.2025
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© sTan, fotolia.com
/openvpn/keys/CA.crt 08 cert /etc/openvpn/keys/server.crt 09 key /etc/openvpn/keys/server.key 10 tls-auth /etc/openvpn/keys/tls-auth.key 11 12 server 192.168.1.0 255.255.255.0 13 14 keepalive 10 60 15 comp-lzo 16 17
25%
Overview of cloud platforms and appliances
30.11.2025
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Athiphan Chunmano, 123RF
Index for Various Providers Product Static IP Address (0.2) Software Appliances and Images Used (0.4) Web Storage (0.2) CDN (0.2) IPv6 (0.2) Pay As You Go
25%
Creating and evaluating kernel crash dumps
31.10.2025
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© Giuseppe Ramos, 123RF.com
], where X is the size of the reserved area in megabytes and Y specifies the start address. If you omit the second parameter or set it to 0M, the system automatically selects an appropriate location
25%
Expand your sphere with a piece of Google
30.11.2025
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© artida, 123RF.com
.setContentType("text/plain"); 10 resp.getWriter().println("Hello World!"); 11 } 12 } Listing 2 Java web.xml for "Hello World!" 01 0" encoding="utf-8"?> 02
25%
Performance testing monitoring solutions
30.11.2025
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© Kheng Ho Toh, 123RF.com
were run on a virtual system (using ESX as the hypervisor) with fixed reservations for CPU and memory. To be more precise, I used a virtual CPU running at 1.5GHz and with 512MB of RAM in the virtual

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