Discovery Exercise 1

 

You have created a daemon called mydaemon that performs database management tasks on the system; however, you want to have the daemon start only in runlevel 5. This daemon should not exist in memory when the system is in any other runlevel. In which directory, should you place a script that can be used to start, stop, and restart this daemon? What links to this daemon should you create? Write the commands you would use to have this daemon start and stop automatically on the system.

 

 

 

Discovery Exercise 2

 

Using the Internet, research two boot loaders used for Linux other than LILO and GRUB. What configuration file do they use? What are their benefits and disadvantages compared with LILO and GRUB?

 

 

 

Discovery Exercise 4

 

You are the systems administrator for a large trust company. Most of the Linux servers in the company host databases that are accessed frequently by company employees. One particular Linux server has been reported as being very slow today. Upon further investigation using the top utility, you found a rogue process that is wasting a great deal of system resources. Unfortunately, the rogue process is a database maintenance program and should be killed with caution. Which kill signal would you send this process and why? If the rogue process traps this signal, which other kill signals would you try? Which command could you use as a last resort to kill the rogue process?

 

Discovery Exercise 5

 

Write the lines that you could use in your user cron table to schedule the /bin/myscript command to run

 

1. Every Wednesday afternoon at 2:15 PM
2. Every hour on the hour every day of the week.
3. Every 15 minutes on the first of every month
4. Only on February 25^th at 6:00 PM
5. On the first Monday of every month at 12:10 PM