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100%
Nagios Passive Checks
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Lisa Young, 123RF.com
,notify_24h_24x7 08 } This article assumes you have some background with Nagios configuration, but I'll start with a little refresher for those who haven't tried it in a while. Nagios lets you define ... 22
99%
Using Libvirt with Python to manage virtual machines
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © fourseasons, 123RF.com
.libvirt.unix.manage" || action.id == "org.libvirt.unix.monitor") && subject.isInGroup("virt")) { 07 return polkit.Result.YES; 08 } 09 return null; 10 }); After ensuring that the user virtuser is a member of the virt ... 22
99%
Maintaining Android in the enterprise
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Iaroslav Neliubov, 123RF.com
#1 SMP PREEMPT Wed Sep 4 19:55:23 PDT \ 2013 armv7l GNU/Linux 04 shell@android:/ $ cat /proc/version 05 Linux version 3.1.10-gd08812a (build03@cyanogenmod) (gcc version \ 4.6.x-google 20120106 ... 22
99%
Vagrant, Serf, Packer, and Consul create and manage development environments
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © 36clicks, 123RF.com
these base images "boxes." Prebuilt boxes can be downloaded free of charge via the community collection on Vagrantbox.es [3] (Figure 1) or from the Vagrant Cloud powered by HashiCorp [4]. The latter provides ... 22
98%
Visualizing time series data
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Maxim Kazmin, 123RF.com
application then grabs the data from this database and creates charts. The client can be programmed by the user or it can come as a prepared daemon (e.g., collectd [3]). If you like to measure your own ... 22
98%
Integrating OCS information into monitoring with OpenNMS
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Kheng Ho Toh, 123RF.com
and production. To show how monitoring profiles can be implemented for a specific server, the example distinguishes between mail, web, and database servers. It assumes that the stable version 1.12.3 of OpenNMS [6 ... 22
97%
Hardware MFA: Death to the password!
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © alphaspirit, 123RF.com
report [3] said weak passwords contributed to 31% of compromises investigated. Without picking on any one organization, choose a company, a social network, and a cloud provider; now, look up ... 22
71%
Spanning Tree Protocol
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
of 12. Figure 5: For 100Mb lines between all ports, the value of 19 applies to all route costs, except for the bundled cables between Switches 3 and 4 ... 22
71%
Redo Backup
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
for use as a backup or rescue system. Redo Backup is immediately ready for use after burning the 250MB image file to CD. To back up virtual machines, you can also integrate it directly as a virtual CD ... 22
70%
Save and Restore Linux Processes with CRIU
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Valentin Volkov, 123RF.com
.1-rc2 and v1.1 followed soon after. Two more versions followed quickly, and when this article went to press, v1.3-rc2 was the most recent release. The following comments are based on the v1.1 release ... 22

1 2 3 4 5 6 7 ... 55 Next »

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