CentOS Apache2更新与升级主要有两种方法:
sudo cp -r /etc/httpd /etc/httpd_backup。sudo yum update。sudo yum install httpd,若需特定版本可指定,如sudo yum install httpd-2.4.69。sudo systemctl restart httpd。apachectl -v。sudo cp -r /etc/httpd /etc/httpd_backup。wget https://www.apache.org/dyn/closer.cgi/action=download&filename=httpd-2.4.54.tar.gz。tar -xzvf httpd-2.4.54.tar.gz,然后sudo yum groupinstall "Development Tools"及sudo yum install apr-devel apr-util-devel pcre-devel。./configure --prefix=/usr/local/apache2 --enable-so --enable-ssl --with-included-apr。make,sudo make install。sudo mv /usr/sbin/httpd /usr/sbin/httpd.old,sudo ln -s /usr/local/apache2/bin/httpd /usr/sbin/httpd。sudo /usr/local/apache2/bin/apachectl start。/usr/local/apache2/bin/apachectl -v。升级时要注意备份数据、检查依赖、测试环境等。