Another idea is to use a pattern on the keyboard instead of actual words. For example, = Alabama! – easy to recall, harder to crack. Use special symbols and numbers instead of well-known letters. Lastly, avoid using personal information in your passwords, such as your name, initials, birthday, and hometown. When creating a passphrase like this, avoid using common sentences and song lyrics, as they are easy to guess. The passphrase should contain several words to make it long enough while still easy to remember, like CloudHostingIsBestForUptime. You can also try using a passphrase instead of creating a password. Ideally, it should have more than 12 characters to make it harder to crack. In addition, create a longer user password.
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Use a password manager like 1Password or LastPass to store your unique passwords safely. Thus, you face higher risks of losing sensitive information and suffering financial losses. If you reuse the same user password for multiple accounts, it only takes one compromised account for unauthorized users to log in to other accounts. For example, your VPS password should be different from the user password for your bank account. Having a unique password means using it exclusively for one user account. A strong password must be unique, long, and contain no personal information.
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How to Create a Strong PasswordĬreating a strong user password helps prevent unauthorized users from logging in to your VPS account. The last password change and password expiration date show which users haven’t updated their passwords recently and when they need to change them. Use the following command to see the content of /etc/shadow: cat /etc/shadow In the shadow file, you will be able to see the encrypted user passwords, SSH key ownership, and other related information such as the last password change and password expiration date. The second Linux file strongly related to passwords is /etc/shadow. Use the following command to see the content of /etc/passwd: cat /etc/passwd The first is /etc/passwd, which contains all the users’ information, including the encrypted password, group ID, and home directory. Password management in Linux involves two important files. Now that the user edward has the same password as user leon, use the passwd command to set a new one: sudo passwd edwardĮnter the temporary password, and the terminal will prompt you to set a new password for edward. Copy the encrypted password string and use that to replace edward’s old password. For example, you know the password for the user leon, so you can use it as a temporary password for edward. The encrypted password is the string of characters after the user name, between the two colons ( :).įind another user whose password you know. Look for the user whose password you want to change.
Use this command to open the file using the Nano text editor: nano /etc/shadow To solve this problem, you can copy another user’s encrypted password within the /etc/shadow file. When you enter the sudo passwd edward command on the terminal, you’ll have to enter the user password for edward. However, the command may require the user’s forgotten password if the system uses the LDAP authentication.įor example, you want to change the old password of a regular user named edward. Plus, they will have to enter their passwords to proceed with the command. Remember that non-root sudo users will have to use the sudo passwd command instead. The easiest way to do that is to log in as a root or sudo user, as you can use the passwd command to change the user password easily. In some cases, you need to reset the password of a regular user who forgot their password. Passwd: password updated successfully How to Change User Password Without the Old One Once you have updated the other user password by using the passwd command, the following output will appear:.Next, the terminal will prompt the same request to enter the new password in the command line twice.
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