No ip ubuntu not updating

I've just installed ubuntu docker image, when I execute "ifconfig" it says there's no such command, I tried apt-get install by there's no package named "ifconfig"(I can install some other images). Installing it via the CLI or a shell script: I came here because I was trying to use ifconfig on the container to find its IPAaddress and there was no ifconfig. mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback : brd : inet scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 247: [email protected]: mtu 1500 qdisc noqueue state UP group default link/ether :ac: brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet scope global eth0 valid_lft forever preferred_lft forever inet6 fe80::42:acff:fe11:6/64 scope link valid_lft forever preferred_lft forever From memory it's best practice to combine the update and the package installation lines to prevent docker caching the update step which can result in out-dated packages being installed.There was no output to the console or to a log file either to diagnose the problem that I could find, so I decided to go about writing my own, which really wasn't that hard to do using a bash script and a few simple utilities on my Linux box.Here is my how-to guide and documentation for setting this up.

The script can be run as a single instance with command line parameters, as a daemon, using crontabs (a utility for running programs on a schedule) or as a Linux service. This is usually installed by default on most Linux and BSD distros, but if not use your package manager to install it.

Runs the script as a daemon with the settings in the config file in the default locaion /etc/no-ip/

The config file uses a simple syntax to define parameters.

If you are configuring a remote system you could easily cut yourself off if you get it wrong. Once you are confident the change has been made, and if you don’t want to reboot you can just restart the networking service.

After doing this, and provided you don’t get any errors, your primary network interface should now be configured with the static IP address details you have provided.

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