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Linux Systems Administration Questions

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Week 4 Homework Submission File: Linux Systems Administration Step 1: Ensure/Double Check Permissions on Sensitive Files 1. Permissions on /etc/shadow should allow only root read and write access. o Command to inspect permissions: o Command to set permissions (if needed): Not required as permissions are correct. 2. Permissions on /etc/gshadow should allow only root read and write access. o Command to inspect permissions: o Command to set permissions (if needed): Not required as permissions are correct. 3. Permissions on /etc/group should allow root read and write access, and allow everyone else read access only. o Command to inspect permissions: Command to set permissions (if needed): Not required as permissions are correct. 4. Permissions on /etc/passwd should allow root read and write access, and allow everyone else read access only. o Command to inspect permissions: o o Command to set permissions (if needed): Not required as permissions are correct. Step 2: Create User Accounts 1. Add user accounts for sam, joe, amy, sara, and admin. o Command to add each user account (include all five users): -Add one user: Multiple users in one hit! - userlist.txt contains the following user details 2. Force users to create 16-character passwords incorporating numbers and symbols. o Command to edit pwquality.conf file: o Updates to configuration file: 3. Force passwords to expire every 90 days. o Command to to set each new user's password to expire in 90 days (include all fiv ...
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