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43%
Neglected IPv6 features endanger the LAN
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Stanislaw Tokarski, 123RF.com
::1 (all nodes; Figure 3). The payload of this message includes all valid IPv6 prefixes on the local subnet and other flags that allow a sophisticated configuration. The RA message is also repeated ... IPv6 is establishing itself in everyday IT life, and all modern operating systems from Windows, through Mac OS X, to Linux have it on board; but if you let IPv6 introduce itself into your environment ... Unmanaged IPv6 ... Neglected IPv6 features endanger the LAN
43%
Using Expect scripts to automate tasks
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Kheng Ho Toh, 123RF.com
-- "PASSWORD\r" 49 expect -exact "\r 50 Linux aspen 2.6.32-43-server #97-Ubuntu SMP Wed Sep 5 16:56:41 UTC 2012 x86_64 GNU/Linux\r 51 Ubuntu 10.04.4 LTS\r 52 \r 53 Welcome to the Ubuntu Server!\r 54
43%
Tested: Autoconfiguring IPv6 clients
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Benis Arapovic, 123RF.com
Phone 3G, provided with router advertisements in our WLAN test, sent a DHCPv6 request and asked for the name server. However, a Snow Leopard client only evaluates the flags in the router advertisements ... Most clients on a network need both an address and some environmental information such as a name server or a web proxy. This article investigates whether a recent operating system on an IPv6-only LAN ... IPv6 ... Tested: Autoconfiguring IPv6 clients
42%
Time flies, but it can still be measured
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
-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
42%
Sys Admin On the Go
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Laurent Davoust, 123RF.com
_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
41%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Sergej Khackimullin, 123RF
CPU PROCESS/NLWP # 173 daemon 17M 11M sleep 59 0 3:18:42 0.2% rcapd/1 # 17676 apl 6916K 3468K cpu4 59 0 0:00:00 0.1% prstat/1 # ... # ZONEID NPROC SWAP RSS MEMORY TIME
41%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
ADDRESS [Cut first seven hops for brevity] 8 10.59 so-4-2-0.mpr3.pao1.us.above.net (64.125.28.142) 9 11.00 metro0.sv.svcolo.com (208.185.168.173) 10 9
41%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
"."EUR_VALUE">=10) 26 3 - access<+>6<+>( "S"."SALE_DATE">TRUNC(SYSDATE@!) 27 -INTERVAL'+00-06' YEAR(2) TO MONTH) 1  The explain plan for command only stores the execution plan in the PLAN_TABLE. 2  The DBMS
41%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
SUSE 11.3, the benchmark repository offers an up-to-date package [1]. Fio is also included with Fedora. The source code from the tarball or Git repository can be compiled with a simple make, assuming you
41%
Enterprise software management with Red Hat Satellite Server
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© robbiverte, 123RF.com
1 4,423.19 8,100.00 8,012.09 Proxy server subscription 2 4,500.00 3,850.00 4,006.04 Management/Provisioning subscription 2

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