晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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virt-what
Copyright (C) 2008-2011 Red Hat Inc.
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This is a collection of scripts which you can use to work out what
sort of virtualization you are running inside. Please read the manual
page virt-what(1) to find out how to use it. This file is for
developers and people compiling from source.
Compiling and installing
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Build from a tarball:
./configure
make
Build from git (http://git.annexia.org/?p=virt-what.git;a=summary):
autoreconf -i
autoconf
./configure
make
Run the automated regression tests:
make check
If you want to run it from the local directory (without needing to
install), then you have to set the PATH:
PATH=.:$PATH virt-what
or since virt-what normally needs to be run as root:
su -c 'PATH=.:$PATH virt-what'
To install (usually as root):
make install
also:
make prefix=/usr install
make DESTDIR=/tmp/somewhere install
Contributing a virtualization test
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virt-what is especially dependent on outside contributors because it's
hard to even get access to some of the hypervisors out there, and even
for the common hypervisors there are many different versions and many
different ways for to break. For these reasons we are especially
happy if you contribute to or even just test virt-what :-)
virt-what is a simple shell script. Add a new hypervisor test to
'virt-what.in' ('virt-what' in this directory is a generated file).
If you can't contribute a patch, please just send us the following
data (all as root from inside the guest):
(1) /proc/cpuinfo
(2) dmidecode
(3) If possible, send the output of /usr/libexec/virt-what-cpuid-helper
(4) Any other /proc and /sys files that may be related to the
hypervisor.
(5) Name of the virtualization system, version, host or guest,
and as much other information as possible.
Please send patches, test results or any other data to:
https://www.redhat.com/mailman/listinfo/virt-tools-list
See also: http://virt-tools.org/contact/
Contributing a regression test
----------------------------------------------------------------------
In the tests/ subdirectory you'll find some existing tests.
These tests are taken from real machines, and we have a policy of
*only* adding real data here so that our regression tests are
impeccable.
The virt-what script has a hidden '--test-root' option which allows a
different root directory to be specified for these regression tests.
The tests/ subdirectory contains some alternate root filesystems
(sparsely populated with a few files taken from the real systems) for
testing.