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18%
Identify troublesome energy consumers with PowerTOP
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Elena Elisseeva, 123RF.com
version 2.6.23. To check your system, you can enter the command: uname -r. You'll be on the safe side as of openSUSE 11.0 and Ubuntu 8.04. Additionally, your kernel needs to enable support for dynamic
18%
Server validation with Goss
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Ewa Walicka, fotolia.com
or at the Linux command line: curl --location --output /usr/bin/goss https://github.com/goss-org/goss/releases/download/v0.4.9/goss-linux-amd64 chmod +x /usr/bin/goss The process is similar in Windows, where
18%
Practical SELinux
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Pavel Ignatov, 123RF.com
login -l | grep linus linus xguest_u s0 This means my son can log in like before; however, his account is now mapped by SELinux to the xguest user: $ id -Z xguest_u:xguest_r:xguest_t:s0 Access
18%
Remote VMware console without a browser
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Julia Burlachenko, 123RF.com
). Listing 1 Browser Plugins for VMware Server 2.0 $ pwd /usr/lib/vmware/webAccess/tomcat/apache-tomcat-6.0.16/webapps/ui/plugin $ ls build_doNotErase.txt vmware-vmrc-linux-x64.xpi vmware
18%
Link aggregation boosts securityand increases throughput
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© zentilia, 123RF.com
address to the target MAC address: Source MAC address: 0x0000A4F8B321 – The last byte is 0x21 (= binary 00100001); thus, the last three bits are 001. Target MAC address: 0X0000A2123456 – The last
18%
New Products
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
 
display. But, the Iconia Tab A510 runs Android 4.0 Ice Cream Sandwich (ICS), which has been slightly customized by Acer to include a circular launcher. The front of the tablet features a 2Mpx camera
18%
A swap space primer
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
Size Used Priority 03 /dev/sda5 partition 4085756 52864 -1 The most common configuration is a dedicated swap partition (type 0x82), but you can use swap files hosted in a general
18%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
of tcpdump, a snaplen value of 0 uses a length needed to capture whole packets. Figure 1 dissects the output of a sample dump, and Table 1 shows other tcpdump options
18%
Visualize data throughput with SMBTA
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Qi Feng, 123RF.com
available as version 0.0.2 [8] (see the "Stresstest" box). Figure 1: Stresstest stresses SMBTAD by continually generating Samba traffic
18%
Monitoring KVM instances with Opsview
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Gina Sanders, Fotolia
for the KVM host: Connectivity (LAN) Unix load RAM/Swap load Storage utilization SSH availability (typically on port 22) Optional extensions: If you use libvirt, you can check

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