I am trying to install apache and php on my ubuntu14.04 via
$ sudo apt-get install apache2 php5
There are some errors like bellows. Does someone know how to fix it? Thanks in advance.
Err http://security.ubuntu.com/ubuntu/ utopic-security/main apache2 amd64 2.4.10-1ubuntu1.1 404 Not Found [IP: 91.189.91.13 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-bin_2.4.10-1ubuntu1.1_amd64.deb 404 Not Found [IP: 91.189.91.13 80]