-bash: warning: setlocale: LC_CTYPE: cannot change locale (EN_US.UTF-8)把linux系统从中文设置英文字符集后发生以下报错首先本系统字符集为中文UTF-8[root@localhost ~]# more  /etc/sysconfig/i18n LANG="zh_CN.UTF-8"修改为英文UTF-8[root@localhost ~]# vim  /etc/sysconfig/i18n LANG="EN_US.UTF-8"source生效[root@localhost ~]# source   /etc/sysconfig/i18n LANG="EN_US.UTF-8"用secureCRT登陆后报以下错误Last login: Sat Oct 20 11:35:03 2012 from 162.16.16.144-bash: warning: setlocale: LC_CTYPE: cannot change locale (EN_US.UTF-8): No such file or directory-bash: warning: setlocale: LC_COLLATE: cannot change locale (EN_US.UTF-8): No such file or directory-bash: warning: setlocale: LC_MESSAGES: cannot change locale (EN_US.UTF-8): No such file or directory-bash: warning: setlocale: LC_NUMERIC: cannot change locale (EN_US.UTF-8): No such file or directory-bash: warning: setlocale: LC_TIME: cannot change locale (EN_US.UTF-8): No such file or directory重新修改为英文UTF-8字符集en为小写[root@localhost ~]# vim  /etc/sysconfig/i18n LANG="en_US.UTF-8"source生效[root@localhost ~]# source   /etc/sysconfig/i18n LANG="en_US.UTF-8"用secureCRT登陆,错误消失，看来是大小写的错误造成的找不到语言环境[root@localhost ~]# Last login: Sat Oct 20 11:35:03 2012 from 162.16.16.144执行locale命令可以看出错误所在[root@localhost ~]# localeLANG=en_US.UTF-8LC_CTYPE="en_US.UTF-8"LC_NUMERIC="en_US.UTF-8"LC_TIME="en_US.UTF-8"LC_COLLATE="en_US.UTF-8"LC_MONETARY="en_US.UTF-8"LC_MESSAGES="en_US.UTF-8"LC_PAPER="en_US.UTF-8"LC_NAME="en_US.UTF-8"LC_ADDRESS="en_US.UTF-8"LC_TELEPHONE="en_US.UTF-8"LC_MEASUREMENT="en_US.UTF-8"LC_IDENTIFICATION="en_US.UTF-8"LC_ALL=