摘要：1：查找find . -type f -name "*.html"|xargs grep ‘yourstring’2：查找并替换find -name '要查找的文件名' | xargs perl -pi -e 's|被替换的字符串|替换后的字符串|g'perl -pi -e在Perl 命令中加上-e 阅读全文

摘要：一、更新yum源，安装php7 CentOS/RHEL 7.x: CentOS/RHEL 6.x: 1 rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm 2 rpm -Uvh https:/ 阅读全文