cisco 2900 x series changing username or removing an account

I wish to remove the reference to username 'pbutler' on my cisco 2900 switch.
We have long since lost the password for this account and I would like to rename or replace it with admin and associate it with a new password. I can access the switch using the console just fine it is only when I try to telnet to it and it prompts for username/password where I run into trouble so if I can edit the config file to remove/replace this account we should be able to remotely administer this appliance.

here is the current configuration:

Building configuration...

Current configuration:
!
version 12.0
no service pad
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname Switch
!
enable secret 5 $1$7qhU$vlXkU9VUkuillnoFFHv5Y/
enable password 7 051E0E002E5C460C1C
!
username pbutler privilege 15 password 7 10590D4C060719
!
!
!
!
!
ip subnet-zero
!
!
!
interface FastEthernet0/1
 spanning-tree portfast
!
interface FastEthernet0/2
 spanning-tree portfast
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface VLAN1
 no ip directed-broadcast
 no ip route-cache
!
interface VLAN2
 ip address 192.168.2.10 255.255.255.0
 no ip directed-broadcast
 no ip route-cache
 shutdown
!
!
line con 0
 transport input none
 stopbits 1
line vty 0 4
 password 7 105B01160A071A0E09
 login local
line vty 5 15
 login
!
end

Switch#

what commands do I need to use to make the change?

Thanks

cp361Asked:
Who is Participating?
 
SaineolaiConnect With a Mentor Commented:
enable the router when logged on at the console type:
enable

enter the configure terminal mode on the router by entering
config t

create a new username
username admin priv 15 password yournewpassword

to remove the old username type:
no username pbutler
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