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10%
Free backup tool for data centers
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© andresr, fotolia.com
Password = "YdhKKoy2Huq1CVHwIR" 05 Pid Directory = "/var/run" 06 Query File = "/usr/lib/bacula/query.sql" 07 Working Directory = "/var/lib/bacula" 08 } 09 10 Fileset { 11 Name = "Full Set" 12
10%
Building a port scanner in Python
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © Leo Blanchette, 123RF.com
_port(host, port): 06 with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: 07 s.settimeout(1) 08 try: 09 s.connect((host, port)) 10 print(f"[+] Port {port} is open") 11 except
10%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
. Listing 1 Installing the Extension Pack $ vboxmanage -v 4.1.12r77245 $ wget http://download.virtualbox.org/virtualbox/4.1.12/Oracle_VM_Virtualbox_Extension_Pack-4.1.12-77245.vbox-extpack $ sudo
10%
Dispatches from the world of IT
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
 
services will account for 16 percent of IT revenue in the following technology categories: applications, system infrastructure software, platform as a service (PaaS), servers, and basic storage. Additionally
10%
The Swiss Army knife of fault management
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Dmitry Rukhlenko, 123RF.com
, some parts of which are standardized and some of which are defined by the device manufacturer. In production, the Standard MIB II ranges (1.3.6.1.2.1.*) and the vendor-specific area below
10%
Application-aware batch scheduler
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Toby Elliott on Unsplash
://$APISERVER --deploy-mode cluster --name spark-wordcount --class org.apache.spark.examples.JavaWordCount local:///opt/spark/examples/jars/spark-examples_2.12-3.5.2.jar s3a://data/war-and-peace.txt watch kubectl get po
10%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
node fails. In cluster versions 1.0 and 2.0, rgmanager was the only master of the Red Hat Cluster, but as of cluster version 3.0, the pacemaker tool is now included with RHEL 6 and Fedora 12 or newer
10%
FreePBX phone system
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © Lofik, Fotolia.com
on Debian GNU/Linux 12 immediately after the Debian installation and pick up a more up-to-date kernel. At press time, the latest available version of the kernel was a reasonably recent Linux 6.12.9 – far
9%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
uses the syntax tcpdump -n -I -s where -n means tcpdump should not resolve IP addresses to domain names or port numbers to service names, -I is the interface to use
9%
Virus scanner and content filter with AD authentication
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Denis Makarov, 123RF.com
=~ s/%([0-9a-fA-F][0-9a-fA-F])/pack("U",hex($1))/eg; 11 # test for each group squid sent in its request 12 foreach $group (@groups) { 13 $group =~ s/%([0-9a-fA-F][0-9a-fA-F])/pack("U",hex($1))/eg

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