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42%
Managing computers with Rex
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Stanislav Rishnyak, 123RF.com
on the administrator's own machine, which even can be a Windows or Mac OS X machine; the only important thing is that you have a Perl environment in place. To install Rex, first pick up the git versioning tool (using
42%
Creating and evaluating kernel crash dumps
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© 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
42%
Managing SSH and other remote connections with PAC
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Ivan Datskov, 123RF.com
in the pac-2.0 subdirectory. Depending on your distribution, you can load a .deb, .rpm, or .tar.gz package, and install. Just unzip the .tar.gz archive. To launch PAC Manager, click the corresponding entry
42%
More than password protection, htaccess has you covered
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Dmitry Bruskov, 123RF.com
at the last hurdle for one reason or another. Then, I remembered my mighty friend htaccess. By spending about US$ 20 a year to register a really short domain name on one of the briefest top-level domains – I
42%
What tools do intruders use to
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Wojciech Kaczkowski, 123RF.com
sources, such as search engines, and PGP key servers. The sources supported are Google, Google profiles, Bing, PGP, LinkedIn, and Exalead. New features were added as of March 4, 2011, with the version 2.0
42%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
# steps/result_steps.rb:13 17 And I should see "Join XING for free" # steps/result_steps.rb:1 18 And I should not see "Welcome to Facebook" # steps/result_steps.rb:5 19 20 Failing
42%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
rhcsNodename: iscsi1 15 rhcsCluster-id: 46516 16 cn: cman 17 objectclass: rhcsCman 18 19 dn: cn=clusternodes,name=cluster,dc=tuxgeek,dc=de 20 cn: clusternodes 21 objectclass: nsContainer 22 23 dn: cn
42%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
17 18 19 20 21 22 23 This example also
42%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
to popular ports, such as 80 (HTTP) or 22 (SSH), and pings. If Portbunny does not register a response to a port request, but the trigger packet reaches the target, it tags the port as filtered. Using Portbunny
42%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
] 13 rw=randread 14 runtime=60 15 16 [sequentialread] 17 stonewall 18 rw=read 19 runtime=60 20 21 [randomwrite] 22 stonewall 23 rw=randwrite 24 runtime=60 25 26 [sequentialread] 27 stonewall 28 rw

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