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be downloaded as a 172MB evaluation version from Red Hat, but it can also be, says Red Hat, RHEL 6 (and thus also CentOS 6) or Fedora 17. The hardware recommended by Red Hat is a dual-core server with 16GB of RAM
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can run the virt-clone command in the shell:
virt-clone --original userver5 \
--name userver6 --file \
/var/lib/libvirt/images/userver6.img
virt-clone creates a new XML definition file
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.nmap.org (64.13.134.52):
Not shown: 994 filtered ports
PORT STATE SERVICE VERSION
22/tcp open ssh OpenSSH 4.3 (protocol 2.0)
25/tcp closed smtp
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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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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
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.
Unfortunately, version 2.2, available since September 2011, is no longer up to date as far as software packages are concerned, which in some cases could lead to weaknesses in security. Version 2.2 runs on top
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and powerful Vim editor. For installation, admins only have to download the 6MB installation file of the current version 0.5.0 [2], double-click on it, and accept the licensing conditions (Figure 1
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], Open Shortest Path First (OSPF) [5] [6], Border Gateway Protocol (BGP) [7], and Intermediate System to Intermediate System (IS-IS) [8] – and it modifies the kernel routing table on the routes it learns
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, admins need three things: a 2.6.13 kernel or newer, a kernel configured for kexec, and the corresponding userland tools (Figure 1).
Figure 1: Dependencies
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the numbers, sizes, capacities, and prices of the 1990s with those of today. For example, in 1995, a 500MB hard disk was considered large; today, my iPhone 4 has a 16GB capacity, of which I have just over 6GB
