這是本文件的舊版！
YUM
yum search epel yum install epel-release yum list glibc yum --setopt=tsflags=noscripts remove xxx rpm -e --noscripts xxx yum clean all && rpm --rebuilddb package-cleanup --problems
RPM Build
https://fedoraproject.org/wiki/How_to_create_a_GNU_Hello_RPM_package
rpmdev-setuptree rpmbuild -ba SPECS/caddy.spec rpm -qpl --scripts RPMS/x86_64/caddy-0.9.0-1.el6.x86_64.rpm
SELinux
檢查有無啟動
getenforce
暫時關閉
setenforce 0
永久關閉
編輯 /etc/sysconfig/selinux 設定為 SELINUX=disabled
允許 apache reverse proxy
setsebool httpd_can_network_connect 1
