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to analog (threshold) sensors in a reliable way. FreeIPMI is now included by an growing number of Linux distributions, such as RHEL/Cent OS as of version 5.2, Ubuntu as of version 10.04, and Debian Squeeze [2
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.nmap.org (64.13.134.52):
Not shown: 994 filtered ports
PORT STATE SERVICE VERSION
22/tcp open ssh OpenSSH 4.3 (protocol 2.0)
25/tcp closed smtp
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magazine [3].
In other words, the many Cobbler system records are really the biggest problem. Just to jog your memory: Using system records, Cobbler can create an individual PXE configuration file for each
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filesystem (AFS) is another network filesystem that is available in a free implementation, OpenAFS [3].
On the other hand are cluster filesystems. Before computers can access "distributed" data, they first
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=(ALL) ALL
replace sudo with admin and quit the chroot environment with exit.
Before you can test the container you prepared, you need to configure /lxc/conf.guest in LXC by adding the content from Listing 3
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traffic normally unavailable because of layer 2 switching.
Arpspoof [3] is much simpler than ettercap for redirecting packets:
# arpspoof -i eth0 -t host
Specifying the interface is optional
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to a remote host, allow this with the command
$ xhost +
and then export your display to the remote host on which you want to view the applications.
$ export DISPLAY=hostname:0.0
On the system
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.
Enterprise-Level Features
Btrfs is a copy-on-write (COW) filesystem. Whereas a filesystem like ext3 logs block changes in a journal, Btrfs always writes changes to a block at a new location on the disk
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-switched voluntarily
x
Exit status of the command
Listing 3
Page Faults
$ /usr/bin/time gcc test.c -o test
0.03user 0.01system 0:00.07elapsed 70%CPU (0avgtext+0avgdata 25088
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_notification_period weekend
06 }
Because this references the time period weekend
, I also need to set that up in timeperiods_nagios2.cfg
(Listing 3). The timeperiod
definition can also handle references to other
