Exercise 30: Oak Pictures


The cron file entries that Oak Pictures needs to run these scripts at their appropriate times are as follows:

 0,5,15,20,25,30,35,40,45,50,55 * * * * /usr/local/bin/oriontest.sh 2&1> /dev/null 0,15,30,45 * * * * /usr/local/bin/suf.sh 2&1> /dev/null 5,15,25,35,45,55 * * * * /usr/local/bin/use.sh 2&1> /dev/null 30 6 * * 0,2,4,6 /usr/local/bin/orionrestart.sh 2&1> /dev/null 

To set the system so that all newly created files should have default permissions on them set to rw-rw-r--(664), follow these steps:

1.

Log in as root.

2.

From the KDE kicker, click on the icon of a monitor to open a terminal shell. Optionally, from the menu, select System, Terminal, and then Konsole.

3.

Type cd /etc.

4.

Edit the profile file and change the default entry from umask 022 to umask 002.

TIP

The profile file is only read when a shell is launched. You must launch a shell for the changes to take effect.


To change the owner on all files beneath the /home/jackson directory to syed, follow these steps:

1.

Log in as root.

2.

From the KDE kicker, click on the icon of a monitor to open a terminal shell. Optionally, from the menu, select System, Terminal, and then Konsole.

3.

Type cd /home/jackson.

4.

Type chown syed *.*.

To change the group associated with all files beneath this directory to root, type chgrp root *.*.

TIP

You can change owner and group in one command by entering chown syed.root *.*.


To create a link named viewer in the /root folder to the /bin/zcat file, follow these steps:

1.

Log in as root.

2.

From the KDE kicker, click on the icon of a monitor to open a terminal shell. Optionally, from the menu, select System, Terminal, and then Konsole.

3.

Type ln /bin/zcat viewer.

4.

Exit the terminal by typing exit.

Given the specific requirements for the two users to be added to the system, follow these steps:

1.

Log in as root and start YaST.

2.

Choose Security and Users and then Edit and Create Users.

3.

Click Add and enter wintel for the first user. Click Details and set the User ID to 1010. Click Next.

4.

Click Password Settings and set the Maximum Number of Days for the Same Password to 90. Click Next.

5.

Click Create. Repeat the process to add the next user. By default, all passwords are stored in the /etc/shadow file as opposed to /etc/passwd with SLES 9.

To change the default runlevel, follow these steps:

1.

Log in as root.

2.

From the KDE kicker, click on the icon of a monitor to open a terminal shell. Optionally, from the menu, select System, Terminal, and then Konsole.

3.

Type the command cd /etc.

4.

Edit the inittab file and change the 5 in the line id:5:initdefault: to 4, and the new default runlevel will be 4.

5.

Save the file and exit. The new default runlevel will apply the next time the system is booted.

To configure the static IP address configuration as given, follow these steps:

1.

Log in as root and start YaST.

2.

Choose Network Devices and Network Card.

3.

Click Change and Edit. The Network address setup will appear as shown in Figure 4.33.

Figure 4.33. The settings for the network card.


4.

Click the Static Address Setup button and enter an IP address of 192.168.10.7 and a subnet mask of 255.255.255.0.

5.

Click the Routing button and add a default router address of 192.168.10.101. Click OK.

6.

Click Next and Finish.

7.

Click Close and exit YaST.

To add (append) an entry to the end of /var/log/messages that the system has been configured on this date, run the following command from a terminal session: logger p local3.info "system configuration drastically changed".



NovellR Linux Certification Practium Lab Manual
NovellR Linux Certification Practium Lab Manual
ISBN: N/A
EAN: N/A
Year: 2004
Pages: 192

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