Guide to change Vyatta Router root user password
Step:
S1-1. Logon Vyatta Router using default user Vyatta
S1-2. Enter Configuration Mode
~$ configure
S1-3. Enter the following command to change root password
#set system login user root authentication plaintext-password <PL_PASSWORD>
#commit
#save
#exit
S1-4. To change to root user
~$ su
Vyatta ISO
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