CentOS-7.x终端界面变成-bash-4.2$解决办法
<p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><img class="alignnone size-full wp-image-177" title="CentOS_1" src="https://zhuji.jb51.net/uploads/allimg/20240124/1-240124115644N5.jpg" alt="" width="298" height="169" original="https://zhuji.jb51.net/uploads/allimg/20240124/1-240124115644N5.jpg" style="max-width:100%!important;height:auto!important;margin: 0px 0px 10px; padding: 0px; border: 0px; background: transparent; display: inline;"/></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><strong><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">遇到问题：</span></strong>切换到用户user的时候，出现-bash-4.2$，正常情况下应该是<span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">用户名@主机名</span></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">例如：$</span></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><img class="alignnone size-full wp-image-13623" title="4319" src="https://zhuji.jb51.net/uploads/allimg/20240124/1-2401241156444Q.jpg" alt="" width="640" height="187" original="https://zhuji.jb51.net/uploads/allimg/20240124/1-2401241156444Q.jpg" style="max-width:100%!important;height:auto!important;margin: 0px 0px 10px; padding: 0px; border: 0px; background: transparent; display: inline;"/></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><strong><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">原因：</span></strong>用户user的家目录下文件丢失导致，缺少下面2个文件</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">.bash_profile</span></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">.bashrc</span></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;">Linux系统使用useradd创建新用户时，系统会将所有的配置文件从/etc/skel/目录下复制到新用户家目录下，例如：/home/user下面，注意文件是隐藏的，使用ls -la #查看隐藏文件</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><strong><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">解决办法：</span></strong></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">1、切换到有故障的用户</span></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;">su - user</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">2、复制/etc/skel 里面的模板到当前用户</span></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;">cp /etc/skel/.bash* ~</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">ls -la</span></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);">3、重新登录</span></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;">exit</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;">su - user</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><img class="alignnone size-full wp-image-13624" title="4320" alt="" width="640" height="384" original="https://zhuji.jb51.net/uploads/allimg/20240124/1-240124115645213.jpg" src="https://zhuji.jb51.net/uploads/allimg/20240124/1-240124115645213.jpg" style="max-width:100%!important;height:auto!important;margin: 0px 0px 10px; padding: 0px; border: 0px; background: transparent; display: inline;"/></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; border: 0px; font-size: 13px; background: rgb(255, 255, 255); text-indent: 2em; font-family: "Microsoft YaHei", 微软雅黑, Arial, "Lucida Grande", Tahoma, sans-serif; white-space: normal;"><span style="margin: 0px; padding: 0px; border: 0px; background: transparent; color: rgb(255, 0, 0);"><strong>至此，CentOS-7.x终端界面变成-bash-4.2$解决办法教程完成。</strong></span></p><p><br/></p>
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