我是这些东西的新手，所以我问这个问题。我正在尝试从终端安装 Java v6，但出现了一些错误，例如：
--2015-06-29 15:52:31-- http://sudo/
Resolving sudo (sudo)... failed: Name or service not known.
wget: unable to resolve host address ‘sudo’
--2015-06-29 15:52:46-- http://dpkg
Resolving dpkg (dpkg)... failed: Name or service not known.
wget: unable to resolve host address ‘dpkg’
--2015-06-29 15:52:56-- http://!%3Carch%3E/
Resolving !<arch> (!<arch>)... failed: Name or service not known.
wget: unable to resolve host address ‘!<arch>’
--2015-06-29 15:53:11-- http://debian-binary%20%20%201399372320%20%200%20%20%20%20%200%20%20%20%20%20100644%20%204%20%20%20%20%20%20%20%20%20%60/
Resolving debian-binary 1399372320 0 0 100644 4 ` (debian-binary 1399372320 0 0 100644 4 `)... failed: Name …