A Linux tutorial covering 5 commands for Linux permissions including sudo and su to temporarily change identities for administrator actions. We walk through file and directory modes and use chmod to change modes with a link to octal, binary and mode methods. We review the id command to see uid, gid and groups plus review the /etc/passwd file and /etc/group file. We finish the sprint with a chown to change ownership of a file. We also practice with commands: whatis, apt-get, whoami, ls and less.

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Also included is our stack which includes: Debian Linux, MySQL, PostgreSQL, Python for data analysis (Pandas, NumPy, SciPy) and presentation tools for the user experience such as Matplotlib, HTML, CSS and JavaScript.

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