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79%
Fast system management from Puppet Labs
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Artmann Witte, fotolia.com
45 46 47 48 49 50 51 52
79%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
it took to process them (lat for latency.) Figure 1 shows the results of a test on a ThinkPad T520 with a 300GB Intel SSD 320 on kernel 3.0. When you are measuring performance, it makes sense to think
79%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
in your kernel configuration and possibly rebuild the kernel. Including the symbols, vmlinux weighs in at more than 40MB. Next, open a connection to the debug server by typing target remote :1234 (Figure 3
79%
One metric to rule them all
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
at the output of uptime [1] on OS X: 13:03 up 2 days, 12:01, 2 users, load averages: 0.52 0.59 0.63 The uptime command displays the load average in its common form, averaging the last one, five, and 15 minutes
78%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
the Downloads page to a mirror, you might be overwhelmed by the list of innumerable files (Figure 1). Normally, however, all you need is the approximately 100MB ISO image, pfSense-2.0-RELEASE-i386.iso.gz, from
78%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Tormod Rossavik, 123RF.com
into the kernel, you only need the userspace tools from the lxc package to take the software for a trial run. The following line in /etc/fstab none /cgroup cgroup defaults 0 0 mounts the cgroup filesystem, which
77%
Identify malicious traffic with Maltrail
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Andrea De Martin, 123RF.com
. In this case, the sensor sends messages by the User Datagram Protocol (UDP) to the remote server. For an initial impression of Maltrail, the developers offer an online demo [3]. Maltrail is not particularly
76%
Win-win with Cygwin
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Steve Mann, 123RF.com
'll receive the following response: The authenticity of host '192.168.1.250' can't be established. RSA key fingerprint is 87:17:c3:92:44:ba: 1a:df:d7:9c:44:b2:5b:73:52:09. Are you sure you want to continue
76%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
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
76%
Business continuity for small to medium-sized enterprises
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Andrea, Fotolia.com
will also find download links to the correct VirtualBox versions. Incidentally, the popular version 4.0.0 of VirtualBox is not compatible with ShadowProtect. As of this writing (January 2012), the following

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