宝塔面板不能启动，提示服务不存在，6.x版本使用以下命令可修复：
curl http://download.bt.cn/install/update6.sh|bash
5.x版本使用以下命令修复：
curl http://download.bt.cn/install/update.sh|bash
命令执行完成即可正常登录面板，但发现Apache、MySQL、PHP等运行环境都无法启动，使用以下命令启动Apache：
service httpd start
报错：
httpd: unrecognized service
使用以下命令启动Apache：
/etc/init.d/httpd start
报错：
-bash: /etc/init.d/httpd: No such file or directory
更新Apache失败，卸载Apache重装仍然失败，错误如下：
checking whether we are cross compiling… configure: error: in
/www/server/apache/src/srclib/apr': configure: error: cannot run C compiled programs. If you meant to cross compile, use–host’.
Seeconfig.log' for more details configure failed for srclib/apr make: No targets specified and no makefile found. Stop. apache.sh: line 189: /etc/init.d/httpd: No such file or directory make: No rule to make targetinstall’. Stop.
done
执行以下命令安装Apache的依赖包，然后再安装Apache成功：
yum -y install gcc gcc-c++ libtool-libs autoconf \
freetype-devel gd libjpeg-devel libpng-devel libxml2-devel \
ncurses-devel zlib-devel zip unzip curl-devel wget crontabs \
file bison cmake patch mlocate flex diffutils automake make \
kernel-devel cpp readline-devel openssl-devel vim-minimal \
glibc-devel glib2-devel bzip2-devel e2fsprogs-devel \
libidn-devel gettext-devel expat-devel libcap-devel \
libtool-ltdl-devel pam-devel pcre-devel libmcrypt-devel
PHP和FTP无法启动均可卸载重装，MySQL担心丢失数据，所以采取以下方法。
查找mysql.server文件，得到该文件的完整路径：
find / -name mysql.server
拷贝mysql.server到/etc/init.d/mysqld目录中：
cp /www/server/mysql/support-files/mysql.server /etc/init.d/mysqld
启动MySQL：
/etc/init.d/mysqld start
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