安装sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list' wget --quiet -O - https://www.postgresql.org/media/k...
find /etc/ -name passwd ##查找/etc/下名称中带有passwd的文件find /etc -maxdepth 1 -name passwd ##查找/etc/下名称中带有passwd的文件,查找一层。find /etc -name .conf ##查找/etc/下名称中带有.conf的文件(下面显示的是部分)find /etc -max...