Now we can edit the files and tunning the setup
<br> === Tunning your rootfs ===
<br> We will share some interesting tricks that can be useful for your new rootfs.
<br> ==== Login in "root" without need of a password ====
 You can edit the file /etc/shadow it should have a similar content like this<pre>root:*:16104:0:99999:7:::</pre>if you want eliminate the need of a password you must remove the * as<pre>root::16104:0:99999:7:::</pre><div><br> </div> ==== Network configuration files for 'DHCP' client ====A few files on your target filesystem need to be taken care of. Steps are as follow:* Edit your /etc/network/interfaces file and add the bottom 2 lines: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp* If you are behind a firewall inside a 'Corporate Network', the following 2 files may need to be edited to according to your Coporate settings:* Edit your /etc/resolv.conf file and have something similar to this:Remove the "<>" symbols and replace by your own corporate DHCP and DNS servers adresses. domain <something.dhcp.mycompany.com> search <something.dhcp.mycompany.com> nameserver <IP address of your DNS server 1> nameserver <IP address of your DNS server 2>* Add the proxy settings:In your /etc/environment file, add something similar to this using your own corporate proxy server address and port number: http_proxy="http://myproxy.ext.mycompany.com:80" https_proxy="http://myproxy.ext.mycompany.com:80" ftp_proxy="http://myproxy.ext.mycompany.com:80" no_proxy="localhost,.mycompany.com"In your /etc/apt/apt.conf.d/proxy, add similar to this using your own corporate proxy server address and port number: Acquire { http { Proxy <corporate apps address>:<port number>; Proxy::<ubuntu corporate address> "DIRECT"; } }
