cygwin相干

cygwin相关
cygwin有了163的镜像http://mirrors.163.com/cygwin/

装openssh，启动sshd

ssh-host-config -y把cyg_server加administrators组net start sshd

以rsa登录

本地ssh-keygen -N "" -t rsa -f ~/.ssh/id_rsascp -q ~/.ssh/id_rsa.pub root@$target_host:/tmp/ssh root@$target_host   "mkdir -p ~/.ssh; cat /tmp/id_rsa.pub >> ~/.ssh/authorized_keys"

screen切换

screen -RCTRL+A.D

选择 cygwin 还是 mingw ：

使用更多的unix：cygwin

  比如 sshd、faye、msgpack-rpc、unicorn

无缝调用windows程序：mingw
 
  比如 nodejs

还有cygwin不支持，也没有win版的东西，只好在virtualbox里装linux了
 
  比如 redis

访问C盘

ls /cygdrive/c

cygwin不支持mysql5.5，5.1可以，只装客户端，连出去（本地用-h127.0.0.1）。
http://stackoverflow.com/questions/2818416/cygwin-does-not-contain-mysql-h-how-can-i-get-it-in-cygwin

Can't locate Autom4te/ChannelDefs.pm in @INC

重装autoconf。

编译 yaml 报错：
日志

expected an absolute directory name for --prefix: 0

http://fd0.x0.to/cygwin/release/yaml/yaml-0.1.4-1bl1-src.tar.bz2

重装libtool，重新编译。

ruby扩展

ruby extconf.rb --with-libyaml-dir=/usr/local && make && make install

unable to remap to same address as parent; died waiting for dll loading:
http://ficial.wordpress.com/2011/07/06/cygwin-and-rails-unable-to-remap-to-same-address-as-parent-died-waiting-for-dll-loading-errno-11/

in a cygwin shell: find /bin /lib /usr -iname '*.so' > /tmp/to_rebase.lst
in a cygwin shell: find /bin /lib /usr -iname '*.dll' >> /tmp/to_rebase.lst
quit all cygwin shells and stop all cygwin processes
run as Administrator C:\cygwin\bin\ash.exe
/bin/rebaseall -T /tmp/to_rebase.lst
exit ash
restart machine

or

/bin/rebaseall -s 'dll|so|oct'

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