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setuid programs

UNIX / Linux: Explains setuid File Permission

What does it mean for a file to be "setuid?" How do keep track of all setuid enabled file?
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Linux Disable Core Dumps

Only software developers legitimately need to access core files and none of my production web server requires a core dump. How do I disable core dumps on Debian / CentOS / RHEL / Fedora Linux to save large amounts of disk space?
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