= 2011-04-21 = * hadoop.nchc.org.tw 維護 * 在 dmesg 看到很多 IPv6 錯誤訊息 {{{ [3606868.273337] IPv6 addrconf: prefix with wrong length 112 [3607061.676147] IPv6 addrconf: prefix with wrong length 112 [3607061.676151] IPv6 addrconf: prefix with wrong length 112 }}} * [參考] [http://blog.bigbabou.org/2010/ipv6-addrconf-message-syslo/ IPv6 addrconf: prefix with wrong length] 修改 /etc/sysctl.conf 加入 {{{ net.ipv6.conf.all.accept_ra = 0 net.ipv6.conf.all.autoconf = 0 }}}