To stop the page breaks:

# terminal length 0

To resume them:

# terminal no length 0 (or number ex. 24)

sw-1(config)#service password-encryption
sw-1(config)#username myuser password topsecret

This results in:-

sw-1#sh run
Building configuration...
...edited...
  username myuser password 7 <encrypted password>

Each line needs to be configured to use the local password database:-

sw-1(config)#line vty 0 4
sw-1(config-line)#login local

sw-1(config)#ip ssh version 2

crypto key generate rsa modulus 2048

ip ssh time-out 60

ip ssh authentication-retries 3

line vty 0 4
 password 7 07062341165B4150
 login local
 transport input ssh
line vty 5 15
 password 7 07062341165B4150
 login local
 transport input ssh