ubuntu/debian - Temporary failure resolving ‘sites in sources.list’

ubuntu/debian - Temporary failure resolving ‘sites in sources.list’

If you are trying to download packages using terminal and you are facing this error, check these things first.

If you are using proxy, proxy address should be defined in these files.
1) check /etc/apt/apt.conf file for proxy
2) check /etc/environment file for proxy

If you are not using proxy, make sure proxy settings should be removed from above files.

If above files are according to requirement and you are still facing this problem, try this solution.

Open file /etc/resolv.conf, add following line in the file and save it.
nameserver 8.8.8.8

8.8.8.8 is google's public DNS address.

Now restart networking and try to install packages again.

Centos - 14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'"

Centos - 14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'"

If you are trying to download packages using terminal and you are facing this error, try this solution.

Open file /etc/resolv.conf, add following line in the file and save it.
nameserver 8.8.8.8

8.8.8.8 is google's public DNS address.

Now restart networking and try to install packages again.

/usr/bin/env: php: No such file or directory

/usr/bin/env: php: No such file or directory

If you are getting this error, It means you do not have certain packages.
You need to install them.

If you are using Ubuntu / Debian or any apt based Linux distribution,
Run following command.

$ sudo apt-get install php5-cli

If you are still facing this problem, try to install these packages.

$ sudo apt-get install php5

and

$ sudo apt-get install libapache2-mod-php5

If you are using Fedora / CentOS / RHEL,
Run following command.

$ sudo yum install php-cli

If you are still facing this problem, try to install this.

$ sudo yum install php