Week 4 Homework: Linux Systems Administration

Week 4 Homework Submission File: Linux Systems Administration
Step 1: Ensure/Double Check Permissions on Sensitive Files
· Permissions on /etc/shadow should allow only root read and write access.
· Command to inspect permissions: ls -l /etc/shadow shows the permissions are set to 640.
· Command to set permissions (if needed): sudo chmod 600 /etc/shadow
· Permissions on /etc/gshadow should allow only root read and write access.
· Command to inspect permissions: ls -l /etc/gshadow shows the permissions are set to 640.
· Command to set permissions (if needed): sudo chmod 600 /etc/gshadow
· Permissions on /etc/group should allow root read and write access, and allow everyone else read access only.
· Command to inspect permissions: ls -l /ect/group shows that the permissions are already set to 644.
· Command to set permissions (if needed): sudo chmod 644 /etc/group
· Permissions on /etc/passwd should allow root read and write access, and allow everyone else read access only.
· Command to inspect permissions: ls -l /etc/passwd shows...