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of important features). All of the NAS devices in our lab used Intel processors and supported popular RAID levels, at least 1 and 5; the better devices also offered a dual-parity variant like RAID 6. (See
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# stmfadm create-tg myfcserver
19 # stmfadm add-tg-member -g myfcserver wwn.10000000c93805a6
20 # stmfadm create-hg myfcclient
21 # stmfadm add-hg-member -g myfcclient wwn.50060b0000c26204
22 # svcadm enable
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relatively easy if you opt to download the package from the website (Listing 2).
Listing 2
Installing TCP Wrappers
01 bash#> cd /tmp
02 bash#> ls tcp_wrap*
03 tcp_wrappers-7.6.sol10-sparc
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, most administrators should be aware of the coming "IPocalypse," with the world running out of IPv4 addresses. If you are not already preparing for the coming of IPv6, it's time to start – and if you
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, some parts of which are standardized and some of which are defined by the device manufacturer.
In production, the Standard MIB II ranges (1.3.6.1.2.1.*) and the vendor-specific area below
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an official Linux kernel component in kernel version 2.6.20.
KVM Inside
As a kind of worst-case fallback, KVM can provide a slow but functional emulator for privileged functions, but it provides genuine
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of things relating to TCP and UDP since its inception. These days, it handles IPv6 as well as IPv4 beautifully. Its astounding versatility means that integrating it with scripts is a veritable piece of cake
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server
PING server: 56 data bytes
64 bytes from server.examplenet.com (192.168.5.6): icmp_seq=0. time=0.415 ms
64 bytes from server.examplenet.com (192.168.5.6): icmp_seq=1. time=0.215 ms
64 bytes from
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. The target systems only require the systemtap-runtime RPM and the staprun program it contains. The following command creates a prebuilt binary kernel module for the target system:
stap -r kernel-PAE-2.6.31.12-174.2.22
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conservatively originally
21 if {$force_conservative} {
22 set send_slow {1 .1}
23 proc send {ignore arg} {
24 sleep .1
25 exp_send -s -- $arg
26 }
27 }
28
