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Suse

All my local Linux user accounts will be able to log in to my Samba server and access share. How do I restrict access to particular users or network subnet such as 192.168.2.1/24?
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I cannot install Apple iTunes software to manage music for my Apple iPod. How do I manage iPod under Ubuntu Linux? What's the best way to manage my iPod without Apple iTunes software?
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Linux / UNIX: Restrict Access To A Given Command

How do I restrict access to a given command for instance /opt/apps/start, to authorized users only under Linux / UNIX / BSD operating system?
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Gnome Find Drive Serial Number

How do I find out serial number information for my hard disk under Ubuntu Linux Gnome desktop environment?
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Bash Script: Read One Character At A Time

I need to count one character at a time from input.txt. How do I read one character at a time under Linux / UNIX bash shell script?
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Help: Old Employees Accessing The Linux Server

I've recently noticed that two of my former employees are still accessing one of our Linux box. Old user account wasn't deleted because it has some important files. How do I make sure account get deleted without losing files and email stored in the account? Can you describe a terminations clearance policy for an employee account including email accounts, forwarding aliases, ssh / ftp, and access to vpn dialup services under Red Hat Enterprise Linux server?
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Firefox: Add a Trusted CA

The default Firefox comes with certificates from well-known commercial CAs. My ISP is also CA and Firefox cannot verified it because the CA is not recognized. How do I force Firefox to accept my ISPs certificate?
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