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49%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
that parse the data). Listing 2 CPU Plot File 01 ################################### RECORDED ################################### 02 # Collectl: V3.6.1-4 HiRes: 1 Options: -D Subsys: bcdfijmnst
48%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
2 2 3 512KB < < 1MB 3 2 2 3 2 4 3 4 1MB < < 10MB 87 87 87 84 74 67
48%
Monitoring with Zabbix
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Les Cunliffe, 123RF.com
machine, and the database can easily be installed on a separate host. Setting up a Test Environment The installation requirements of 128MB of free RAM and 256MB of free disk space, as cited
48%
Tracing applications with OProfile and SystemTap
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© boing, Photocase.com
confirm that the kernel and kernel-debuginfo packages have the same version number: rpm -q kernel-PAE kernel-PAE-debuginfo oprofilekernel-PAE-2.6.32.10-90.fc12.i686 kernel-PAE-debuginfo-2.6.32.10-90.fc12.i
48%
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
48%
Storage system with OpenSolaris and Comstar
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Aleksandr Fomenkov, 123RF.com
stmf 23 # stmfadm add-view -t myfcserver -h myfcclient -n 1 600144f021ef4c0000004bcb3fb70001 This process provides a logical unit with a LUN of 1 for the client with a WWPN of 50:06:0b:00:00:c2
48%
Configuring the JBoss application server
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
HONGQI ZHANG, 123RF.com
_HOME 03 /usr/lib/jvm/jre-1.6.0-openjdk 04 # java -version 05 java version "1.6.0_18" 06 OpenJDK Runtime Environment (IcedTea6 1.8.3) (fedora-46.1.8.3.fc13-i386) 07 OpenJDK Server VM (build 14.0-b16, mixed
47%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
Chris Buechler and Scott Ullrich were unhappy. Although the FreeBSD m0n0wall distribution gave them a quick option for setting up a firewall and a router, it was designed for use on embedded systems
47%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
uses the syntax tcpdump -n -I -s where -n means tcpdump should not resolve IP addresses to domain names or port numbers to service names, -I is the interface to use
47%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
--------- ------ ---- ----- ---- 12 Throughput Cashier Customers 0.7500 Cust/Sec 13 Utilization Cashier Customers 75.0000 Percent 14 Queue Length Cashier Customers 3.0000 Cust 15 Residence Time Cashier Customers 4.0000 Sec 16 N Sws ... 6

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