Felitaur Enterprises, Linux Sysadmin, Backups/Printing

Overview
Week 4 for CIS126DL Linux Administration Course Additional Administrative Tasks (printing, cron, backups You should be familiar with the methods to schedule tasks You should be able to configure the printer in BA1W and one in BA1S for printing Should know the basic backup programs How to alter shell variables The following commands/programs will be used/discussed this week: lpr lpq lprm /usr/sbin/lpc status vs. lpget list (on solaris) crontab -e /etc/crontab /etc/cron.daily (weekly, hourly, monthly) /var/spool/cron/* /var/log/cron /etc/bashrc and /etc/profile.d .bashrc, alias, echo $PATH set tar (also -P) gzip, gunzip, unzip, zip, bzip cpio file
Questions
In the following crontab file, what does the following do? 0,15,30,45 0-23 * * 0-6 finger mcunix.mc.maricopa.edu (check man 5 crontab to answer that one) What option with crontab lets you edit your crontab file? How do you restart the crond daemon? What would tar -czvf pwaclaws.tar.gz ~/* do? How would you untar pwaclaws.tar.gz ? how about pwaclaws.tgz? What command would you use for finding out what type of a file you have? What command would you use to check the status of printing? How about to cancel a print job? How do you restart cups? (Note, it's just another service) How do you create an alias for your shell? (see .bashrc in /root for examples) What does echo $PATH tell you?
Activities & Assignments
Read Chapter 8 of "Running Linux" Now, to configure Printing Click on "system" then "administration" then "printing" Click "New" Type in the root password when/if it asks for it New Printer:Window click on >Network Printer and choose "AppSocket/HP JetDirect Under "Location of the Network Printer" enter 192.168.209.221 for the Hostname (for BA9W) and leave port 9100, click [Forward] If the printer is on and connected, it will try to detect it, if so an [Installable Options] window pops up, just hit forward [Describe Printer] will have HP-Laserjet-4250 for our room already listed. For location add "ba9w" Then click on [Apply] and type the root password when prompted. Note: it will automatically set the first printer configured as your default printer. You can only set it yourself if you have more than one printer New Printer:Window click on >Network Printer and choose "AppSocket/HP JetDirect Under "Location of the Network Printer" enter 192.168.206.221 for the Hostname (for BA6W) and leave port 9100, click [Forward] If the printer is on and connected, it will try to detect it, if so an [Installable Options] window pops up, just hit forward [Describe Printer] will have HP-Laserjet-4250 for our room already listed. For location add "ba6w" Then click on [Apply] and type the root password when prompted. Note: it will automatically set the first printer configured as your default printer. You can only set it yourself if you have more than one printer You can either remember to use lp -Pprintername or you can just reset the default printer whenever you switch rooms. Note, while in BA3E you need to use lpr -Plp0 filename (or whatever you called the second printer, and in Netscape just add -Plp0 ) to print (unless you switch default printers).
Resources
Check out Printing for Users for a list of printing resources at the bottom. man 5 crontab Cron Best Practices