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Quick Tip: Enable easy NetworkManager local DNS caching

To enable NetworkManager’s feature to start dnsmasq and enable dns caching:

  1. Add the following dns= line to /etc/NetworkManager/NetworkManager.conf:

    [main]
    plugins=ifcfg-rh,ibft
    dns=dnsmasq
    
  2. Install dnmasq:

    sudo dnf install dnsmasq
    
  3. Add some extra space to the default cache:

    sudo sh -c 'echo "cache-size=1000" >> /etc/NetworkManager ...

NFSv4-Only on CentOS 7.2

The road to a NFSv4 only server is not very clearly documented on the internet regarding Fedora/CentOS 7 - as the move to systemd has changed some operations of how nfs.service pulls in configuration variables from /etc/sysconfig/nfs.

Why should you consider doing this? If like me you ...