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15%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
-certs, make, gcc, and g++. The certificates from ssl-cert will be required later. According to the how-to http://1, Chef prefers RubyGems version 1.3.6 or newer, but not 1.3.7. This version contains a bug
15%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kheng Ho Toh, 123RF.com
-M) with a local ISO domain and a hypervisor host. According to Red Hat, the former should be, if possible, a RHEL6 system with quad-core processor, 16GB of RAM, 50GB of local disk space, and a 1Gb NIC, which
15%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
s 04 4> JOIN employees e ON (s.employee_id = e.employee_id) 05 5> WHERE s.sale_date > trunc(sysdate) - INTERVAL '6' MONTH 06 6> AND s.eur_value >= 10; 07 Explained. 08 09 SQL> select * from table
15%
Creating and evaluating kernel crash dumps
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Giuseppe Ramos, 123RF.com
, admins need three things: a 2.6.13 kernel or newer, a kernel configured for kexec, and the corresponding userland tools (Figure 1). Figure 1: Dependencies
15%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
relatively easy if you opt to download the package from the website (Listing 2). Listing 2 Installing TCP Wrappers 01 bash#> cd /tmp 02 bash#> ls tcp_wrap* 03 tcp_wrappers-7.6.sol10-sparc
15%
Overview of cloud platforms and appliances
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
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
15%
Fedora 16 dials up cloud and virtualization capabilities.
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
2.6.39 and has seen some improvements that now allow it to support firewall code for more flexible use of tables and filter information. At the same time, a fairly large patch has been applied
15%
Advanced security in Windows Firewall
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Andrius Repsys, 123RF.com
will be relevant. In the input field, you can enter both IPv4 and IPv6 addresses. They can be host or network addresses. Address ranges are also possible. Examples are shown below the entry field. Finally, you need
15%
Microsoft System Center Virtual Machine Manager 2008 R2
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Tono Balaguer, 123RF.com
as the ASP.NET, IIS-6 metacompatibility and IIS 6 WMI compatibility role services. If the role or one of the additional services is not installed, you will see an error message to this effect. Portal access
15%
Operating system virtualization with OpenVZ
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© sculpies, Fotolia.com
on kernel 2.6.18, and what is known as the super stable version is based on 2.6.9. It looks like the OpenVZ developers can't keep pace with official kernel development. Various distributions have had an Open

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