Nginx升级失败，原Nginx服务没有

Centos6.9，宝塔5.5，原Nginx版本1.12，在软件管理中点更新，查询日志

1. checking for OS
   
2. + Linux 2.6.32-696.10.1.el6.x86_64 x86_64
   
3. checking for C compiler ... not found
   
4. 
   
5. ./configure: error: C compiler cc is not found
   
6. 
   
7. make: *** No rule to make target `build', needed by `default'.  Stop.
   
8. cp: cannot stat `/www/server/nginx/update/src/objs/nginx': No such file or directory
   
9. done
   
10. nginx.sh: line 375: nginx: command not found

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运行环境中nginx就没了，重新点极速安装，日志为

1. checking for OS
   
2. + Linux 2.6.32-696.10.1.el6.x86_64 x86_64
   
3. checking for C compiler ... not found
   
4. 
   
5. ./configure: error: C compiler cc is not found
   
6. 
   
7. make: *** No rule to make target `build', needed by `default'.  Stop.
   
8. ========================================================
   
9. ERROR: nginx-1.12.2 installation failed.

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查询gcc:

1. gcc -v
   
2. Using built-in specs.
   
3. Target: x86_64-redhat-linux
   
4. Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
   
5. Thread model: posix
   
6. gcc version 4.4.7 20120313 (Red Hat 4.4.7-18) (GCC)

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yum安装gcc等，提示已安装

1. yum install gcc gcc-c++ autoconf automake make  
   
2. Loaded plugins: fastestmirror, security
   
3. Setting up Install Process
   
4. Loading mirror speeds from cached hostfile
   
5. * base: mirrors.163.com
   
6. * epel: mirrors.tongji.edu.cn
   
7. * extras: mirrors.cn99.com
   
8. * updates: mirrors.163.com
   
9. Package gcc-4.4.7-18.el6.x86_64 already installed and latest version
   
10. Package gcc-c++-4.4.7-18.el6.x86_64 already installed and latest version
    
11. Package autoconf-2.63-5.1.el6.noarch already installed and latest version
    
12. Package automake-1.11.1-4.el6.noarch already installed and latest version
    
13. Package 1:make-3.81-23.el6.x86_64 already installed and latest version
    
14. Nothing to do

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不得已镜像恢复了，求大神帮助

装有云锁？

云锁服务停了