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6 Cards in this Set
- Front
- Back
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$1, $5, $6 (As displayed in /etc/shadow) |
$1 = MD5, $5=sha256, $6=sha512 |
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Command to change default password hash algorithm |
"sudo authconfig --passalgo=<type> --update" |
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Command to lock a user and their password (and how to confirm) |
"sudo passwd -l <username>" "cat /etc/passwd | grep <username>" - Confirm "!!" before password hash type. |
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The 3 fields that make up the password information in "/etc/shadow" and what are they separated by? |
1. Hash type (md5, sha256, sha512)
2. Salt 3. Password combined with salt and encrypted Separated by $ |
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Command to view password expiration information. |
"chage -l <username>" |
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Path to be set for users that do not require interactive login and where is it set? |
/sbin/nologin Set in /etc/passwd Can be set with: sudo useradd -s /sbin/nologin sudo usermod -s /sbin/nologin |
