Notebook of Dan

http://www.beinsync.com

1，可以在5台机器之间同步文件；
2，可以通过P2P网络和朋友分享文件；
3，可以在线备份文档。

下载地址：
http://www.erightsoft.com/S6Kg1.html

java.version
Java Runtime Environment version
java.vendor Java Runtime Environment vendor
java.vendor.url Java vendor URL
java.home Java installation directory
java.vm.specification.version Java Virtual Machine specification version
java.vm.specification.vendor Java Virtual Machine specification vendor
java.vm.specification.name Java Virtual Machine specification name
java.vm.version Java Virtual Machine implementation version
java.vm.vendor Java Virtual Machine implementation vendor
java.vm.name Java Virtual Machine implementation name
java.specification.version Java Runtime Environment specification version
java.specification.vendor Java Runtime Environment specification vendor
java.specification.name Java Runtime Environment specification name
java.class.version Java class format version number
java.class.path Java class path
java.library.path List of paths to search when loading libraries
java.io.tmpdir Default temp file path
java.compiler Name of JIT compiler to use
java.ext.dirs Path of extension directory or directories
os.name Operating system name
os.arch Operating system architecture
os.version Operating system version
file.separator File separator ("/" on UNIX)
path.separator Path separator (":" on UNIX)
line.separator Line separator ("\n" on UNIX)
user.name User's account name
user.home User's home directory
user.dir User's current working directory

调用方法 ： System.getProperty("user.dir")

http://mindprod.com/jgloss/jgloss.html
总结得非常清晰明了，这个站点的其他部分也值得一看，有趣！

http://www.robvanderwoude.com/index.html
http://www.microsoft.com/technet/sysinternals/default.mspx

./configure --prefix=/usr/apache/apache22 --enable-ssl --enable-rewrite --enable-so --with-ssl=/usr/include/openssl --enable-shared=ssl

签服务器证书：
openssl genrsa -des3 -out server.key 1024
openssl req -new -key server.key -out server.csr
openssl x509 -req -days 365 -in /root/server.csr -signkey /root/server.key -out /root/server.crt