Unix Administration 2

ITI-481: Unix Administration Meeting 2 Rutgers University Center for Applied Computer Technologies Chris Uriarte, Instructor

Today’s Agenda ,[object Object],[object Object],[object Object]

Software Installation ,[object Object],[object Object],[object Object],[object Object],[object Object]

Red Hat Package Manager (RPM) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RPM at the Command Line ,[object Object],[object Object],[object Object],[object Object],[object Object]

RPM at the Command Line (con’t) ,[object Object],[object Object]

Package Files vs. Installed Packages ,[object Object],[object Object]

Exercise: Using Red Hat Package Manager ,[object Object],[object Object],[object Object],[object Object],[object Object]

Installing Software from Source ,[object Object],[object Object],[object Object],[object Object]

Typical Steps for Installing from Source ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Exercise: Installing ssh1 from Source ,[object Object],[object Object]

Where to Find UNIX Software ,[object Object],[object Object],[object Object],[object Object]

Where to Find UNIX Software ,[object Object],[object Object],[object Object]

When will you use these software installation procedures? ,[object Object],[object Object],[object Object]

The UNIX Boot Process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Linux Boot Process ,[object Object],[object Object],[object Object],[object Object]

Linux Loader (LILO) ,[object Object],[object Object],[object Object],[object Object]

General UNIX System Booting ,[object Object],[object Object],[object Object]

The UNIX init Process ,[object Object],[object Object]

UNIX Run Levels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

UNIX Run Levels (con’t) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

UNIX Run Levels (con’t) ,[object Object],[object Object],[object Object],[object Object]

Special Run Levels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

rc Scripts ,[object Object],[object Object],[object Object],[object Object],[object Object]

rc scripts, con’t ,[object Object],[object Object],[object Object],[object Object]

rc script example ,[object Object],[object Object],[object Object],[object Object]

rc script diagram /etc/rc.d/rc2.d /etc/rc.d/rc3.d /etc/rc.d/rc5.d /etc/rc.d/rc1.d S99checkwr S99checkwr S99checkwr /etc/rc.d/init.d checkworldread Symbolic link

Ways of Changing Run Levels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Changing the Default Run Level ,[object Object],[object Object],[object Object],[object Object],[object Object]

Useful Keyboard Shortcuts ,[object Object],[object Object],[object Object]

Exercise: Changing Runlevels ,[object Object],[object Object],[object Object],[object Object]

Emergency Boot Procedures ,[object Object],[object Object],[object Object],[object Object],[object Object]

Unix Administration 2

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