ITIS 2110

 Today’s Notes  NFS in the lab  Lecture: ▪ Linux II ▪ vi  Lab 2

 _Spring/ITIS2110/2110LabSchedule.htm _Spring/ITIS2110/2110LabSchedule.htm

 NFS allows the users home directory to be available no matter which workstation in the lab they log onto  The users home directory must always be available to keep Linux running  Contains critical configuration information ▪ Do a ls –a to see all the configuration files for a user (starting with a.)  NFS allows the users home directory on a network drive!  This is a problem when the workstation’s NICs are disconnected for experiments  Special setup for the 302 lab:  When logging on a template of the user’s home directory is copied to the local workstation ▪ This includes the Desktop (and others)  User’s home directories are deleted every midnight on the workstations!  Special case: network_storage directory is kept on the file server ▪ Data there should follow you to each workstation you log on ▪ Should not be deleted by the system

 Objective  More Linux Basics  Introduce to vi

 Whenever possible text data must be captured as text, not with a screenshot  e.g. to document the contents of a directory: ▪ ls –l > targetfile.txt ▪> creates or replaces data in targetfile.txt ▪targetfile.txt will have the listing normally sent to the screen  or ▪ ls –l >> targetfile.txt ▪>> appends data to targetfile.txt ▪targetfile will have the listing added to the previous contents of the file

 Your Lab ID is the same as your 49er ID  The PW is different:  a + your 800 id  a  Change the password ASAP ▪ passwd ▪ Follow the instructions  Note: some PWs were created without the leading “a”

 Lecture:  Linux overview and Commands ▪ Linux Basics II Linux Basics II ▪ Note: The use of the command line is nicely summarized in LA Ch 5  Editing ▪ vi vi  Lab  2110Lab2Linux.docx 2110Lab2Linux.docx