jQuery火箭图标返回顶部代码

找到yum.conf

[root@d78acc291c9e var]# find / -name yum.conf
/etc/yum.conf

注释掉exclude那行，也可只删除httpd

[main]
gpgcheck=1
installonly_limit=3
clean_requirements_on_remove=True
best=True
#exclude=httpd nginx php mysql mairadb python-psutil python2-psutil

//重新安装
yum install httpd -y
systemctl enable httpd
systemctl start httpd
systemctl status httpd

　　Active: active (running)

　　Status: "Started, listening on: port 80"

[root@d78acc291c9e var]# httpd -v
Server version: Apache/2.4.37 (centos)
Server built:   Dec 23 2019 20:45:34

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