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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%
Nagios Passive Checks
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Lisa Young, 123RF.com
retry_interval 1 07 active_checks_enabled 1 08 passive_checks_enabled 1 09 check_freshness 1 10 freshness ... 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
. If you want your boxes in the Vagrant Cloud to be accessible to certain people only, you need a paid subscription. Prices start at US$ 6 per month [5]; on top of that, each box download costs 12 cents ... 22
99%
Maintaining Android in the enterprise
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Iaroslav Neliubov, 123RF.com
/secure/asec/.android_secure vfat rw,relatime,nosuid,nodev,noexec 08 /dev/block/mtdblock5 /cache yaffs2 rw,relatime,nosuid,nodev 09 /dev/block/mtdblock6 /data yaffs2 rw,relatime,nosuid,nodev 10 none ... 22
99%
Visualizing time series data
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Maxim Kazmin, 123RF.com
in the format Listing 1 Perl Example Client 01 #!/usr/bin/perl 02 03 use strict; 04 use warnings; 05 use IO::Socket; 06 use Sys::CpuLoad; 07 08 my $remote_host = '192.168.56.102'; 09 my $remote ... 22
99%
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
54%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
100 0.067 95 23 5 10 99 0.099 96 22 6 20 94 0.210 97 22 6 Unfortunately ... 6
54%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Tormod Rossavik, 123RF.com
#auto eth0 06 #iface eth0 inet dhcp 07 auto br0 08 iface br0 inet dhcp 09 bridge_ports eth0 10 bridge_stp off 11 bridge_maxwait 5 12 post-up /usr/sbin/brctl setfd br0 0 Next, create a directory ... 6
54%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
from compromised systems is John the Ripper (John). John is a free tool from Openwall [1]. System administrators should use John to perform internal password audits. It's a small (<1MB) and simple ... 6
54%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
is adding these entries to the Cobbler database. A typical example looks something like Listing 1. Listing 1 System Settings 01 # cobbler system add --name=foo --profile=ksprofile-devel-rhel6 ... 6

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