I have been trying so hard to be able to do this on my own but I feel I am not grasping what is being asked and I don't know how to start. I Am learning sysadmin fundementals but it is extremely hard. Please help!
1. The problem statement, all variables and given/known data: Set permissions on sensitive files:
Set permissions on /etc/shadow to allow only root read and write access.
Set permissions on /etc/gshadow to allow only root read and write access.
Set permissions on /etc/group to allow root read and write access, and allow everyone else read access only.
Set permissions on /etc/passwd to allow root read and write access, and allow everyone else read access only.
Create user accounts:
Add user accounts adam, billy, sally, max, tripwire and sysadmin.
Force users to create 16 character passwords incorporating numbers and symbols.
Force passwords to expire every 90 days.
Ensure that only the admin has general sudo access.
3. The attempts at a solution (include all code and scripts):
4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
University of Riverside, California, Matthew Summerville, Cybersecuirty Bootcamp
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do
case $option in
d ) CHEC=true;;
# more option processing can go here
\? ) echo "Unknown option: -$OPTARG"
: ) echo "Missing option argument for -$OPTARG";;
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