bash$ tar zxf v1.7.2-bin.tar.gz
bash$ cd v1.7.2-bin
Step 4. Create an account
bash$ ./geth account new
If you already have an account, just copy the account file to $HOME/.afterether/keystore or wherever your datadir is.
Step 5. Start geth
bash$ ./geth console
Wait for the blockchain synchronization process to finish before you start mining or using console.