yum nginx报错

[root@instance-as0nsoax nginx]# yum -y install gd gd-devel
error: db5 error(11) from dbenv->open: Resource temporarily unavailable
error: cannot open Packages index using db5 - Resource temporarily unavailable (11)
error: cannot open Packages database in /var/lib/rpm
CRITICAL:yum.main:

Error: rpmdb open failed

解决如下：

[root@instance-as0nsoax nginx]# cd /var/lib/yum
[root@instance-as0nsoax yum]# ls|grep  db.
rpmdb-indexes

[root@instance-as0nsoax yum]# rm -rf rpmdb-indexes
[root@instance-as0nsoax yum]# rpm --rebuilddb
[root@instance-as0nsoax yum]# yum clean all

[root@instance-as0nsoax nginx]# nginx -t
nginx: error while loading shared libraries: libgd.so.2: cannot open shared object file: No such file or directory

解决如下：

 yum -y install gd gd-devel

[root@instance-as0nsoax yum]# nginx -t
nginx: the configuration file /opt/nginx/conf/nginx.conf syntax is ok
nginx: [emerg] getpwnam("nginx") failed

解决如下：

[root@instance-as0nsoax yum]# useradd -s /bin/nologin -M nginx
[root@instance-as0nsoax yum]# nginx -t
nginx: the configuration file /opt/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /opt/nginx/conf/nginx.conf test is successful