Articles, notes and random thoughts on Software Development and Technology
How you configure a static IP on the Pi changed between Wheezy and Jessie, and it seems on Hypriot’s prebuilt images for running Docker on the Pi, it’s a slight variation.
Edit /etc/network/interfaces.d/eth0, comment out the DHCP line:
iface eth0 inet dhcp
and add:
iface eth0 inet static address your-static-ip gateway your-gateway-ip #google dns servers domain_name_servers=8.8.8.8, 8.8.4.4
Done!
Appending content to a file on Linux is pretty easy with >> but there’s no equivalent redirection to prepend content. Luckily, for every file manipulation problem on Linux there’s at least a dozen solutions.
Using sed with -i for inplace replacement of content in a file, you can match ^ for start of line, and then follow with the content you want to replace (in this case, insert).
I normally ssh into my remote Raspberry Pi’s, but if you don’t have then attached to a monitor and need to get a desktop view of what’s going on, a VNC remote connection works great. Step by step instructions here.