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16%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
 
as a managed service that are accessible remotely on a variety of clients, including desktop systems, laptops, and even the iPad. However, the platform can be a bit tricky to spec out, so VMware is providing
16%
Avoiding chaos in clusters with fencing
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© kobra78, Fotolia.com
interval="0" timeout="60" 06 op stop interval="0" timeout="60" 07 op monitor start-delay="0" interval="1200" 08 meta resource-stickiness="0" failure-timeout="180" Listing 2 STONITH
16%
ARP cache poisoning and packet sniffing
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© elisanth, 123RF.com
includes tools such as dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf, and webspy, which passively monitor networks for data of interest. The arpspoof, dnsspoof, and macof tools help intercept network
16%
How Upstart boots Ubuntu-based systems
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
, such as plugging in or replacing a hard disk at run time. It also will monitor the processes it launches, if desired, and restart them in the case of a crash. To do all this, Upstart completely breaks
16%
Bundle your custom apps in a Debian package
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Cathy Yeulet, 123RF.com
/prerm. With these scripts, you can install software, start services, and call a monitoring system to tell it exactly what's going on with the new instance. For example, open ./DEBIAN/postinst and add something like: curl
16%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
 
, essentially creating a full-blown monitoring system that is scalable, versatile, and more informational. For more information, see: https
16%
Convenient graphical remote control
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Thor Jorgen Udvang, 123RF.com
set of important remote control functions. On the bottom right is the connection monitor, which you can also hide and which tells you who is accessing the computer across the wire (Figure 3
16%
openlava – Hot resource manager
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Konrad Bak, 123RF.com
], but if you don't want to read an architecture document, here is a quick overview: LIM: The openlava Load Information Manager monitors the machine's load and sends the information to the LIM on the cluster
16%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
enough? How do I manage my storage? How do I monitor my storage? Do I need a backup or just a copy of the data? How can I monitor the state of my storage? Do I need quotas, and how do I enforce them? How
16%
Techniques for archiving email
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
.marqs, photocase.com
are storing their email or whether they are covered by a backup plan. Users tend to manage offline archives locally on laptops and PCs that are not covered by the backup policy. If the laptop is lost or damaged

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