I want to upgrade my geth node from 1.6.7 to 1.7.2. However it did not work. How can I solve it?
$ sudo apt-get install ethereum
Unpacking ethereum (1.7.2+build11187+xenial) over (1.6.7+build10273+xenial) ...
Setting up ethereum (1.7.2+build11187+xenial) ...
$ geth version
Geth
Version: 1.6.7-stable
$ which geth
/usr/bin/geth <-- geth is not changed
sudo apt-get upgrade
?ps -ef | grep -i geth
. Worst case you can restart the machine.