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17%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
/build/linux-3.2/ gdb The gdb command opens the debugger session. To start, load the kernel code and symbols with: file vmlinux. If you see a no debug-symbols found message, you need to check the debug options
17%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
is to use software load balancers. Linux Virtual Server Linux has a major advantage over other operating systems in this regard, because most of its commercial distributions (e.g., Red Hat and open
17%
Tracing applications with OProfile and SystemTap
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© boing, Photocase.com
can call Strace: strace -e trace=open -o mutt.trace mutt This command line sends all open syscalls for the Mutt application to the /tmp/mutt.trace output file. Then, you can easily grep
17%
Workshop: Getting web and mail servers ready for IPv6
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© suze, Photocase.com
such as SixXs.net [1]. Alternatively, you can build an IPv6-in-IPv4 tunnel to the server you want to configure, which is possible within an OpenVPN connection. To allow this to happen, you need to ask your
17%
What tools do intruders use to
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Wojciech Kaczkowski, 123RF.com
to download the files. Now open up a web browser and look at the results of the warnerbros.html file (see Figure 3). Figure 3: Metagoofil results. w
17%
Virus scanner and content filter with AD authentication
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Denis Makarov, 123RF.com
that leads to these weird log entries is described in the Squid wiki [4]. The title, "The gory details," sums it up: 1. The client opens a connection to the proxy and issues a request without any
17%
Neglected IPv6 features endanger the LAN
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Stanislaw Tokarski, 123RF.com
technology of last resort, described in RFC 4380, is Teredo [4]. As an open source solution, Miredo is available. If an IPv6 target address is explicitly specified, bubble packets are exchanged with external
17%
Interview: Hardware or Cloudware?
10.04.2012
Home »  HPC  »  Articles  » 
laptop, and open it up again later check on things. When the run is done, PBS Desktop will automatically copy all the files back for you. AM: What would you tell people if they are thinking about getting
17%
Managing Cluster Software Packages
12.02.2013
Home »  HPC  »  Articles  » 
of Open MPI installed and a user wanted to try the PetSc libraries with a new version, you could easily install and build everything in /opt and have the user running new code without rebooting nodes
17%
Confessions of a Patchaholic
17.10.2011
Home »  Articles  » 
 
there is a client or agent, physical or virtual. Because it is agent-based, HPSA requires that firewall access for its TCP communications ports be open between the HPSA server and the agents. HPSA integrates

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