There are Mail servers, Web Servers, DNS Servers and Log Server. Log Server is already configured. You should configure the mail server, web server and dns server to send the logs to log server.

• A. According to QUESTION, log server is already configured. We have to configure the mail, web and dns server for log redirection. In mail, web and dns server:
  vi /etc/syslog.conf mail.* @logserveraddress
  service syslog restart
  mail is the facility and * means the priority. It sends logs of mail services into log server.
• B. According to QUESTION, log server is already configured. We have to configure the mail, web and dns server for log redirection. In mail, web and dns server:
  vi /etc/syslog.conf mail.* @logserveraddress
  service syslog restart .

Install the Cron Schedule for david user to display "Hello" on daily 5:30.

• A. Login as a root user
  cat >schedule.txt
  30 05 * * * /bin/echo "Hello"
  3. crontab -u david schedule.txt
  4. service crond restart The cron system is essentially a smart alarm clock. When the alarm sounds, Linux runs the commands of your choice automatically. You can set the alarm clock to run at all sorts of regular time intervals. Alternatively, the at system allows you to run the command of your choice once, at a specified time in the future. Red Hat configured the cron daemon, crond. By default, it checks a series of directories for jobs to run, every minute of every hour of every day. The crond checks the /var/spool/cron directory for jobs by user. Day of week 0-7; where 0 and 7 are both Sunday; or sun, mon, tue, etc. Command The command you want to run
• B. Login as a root user
  cat >schedule.txt
  30 05 * * * /bin/echo "Hello"
  3. crontab -u david schedule.txt
  4. service crond restart The cron system is essentially a smart alarm clock. When the alarm sounds, Linux runs the commands of your choice automatically. You can set the alarm clock to run at all sorts of regular time intervals. Alternatively, the at system allows you to run the command of your choice once, at a specified time in the future. Red Hat configured the cron daemon, crond. By default, it checks a series of directories for jobs to run, every minute of every hour of every day. The crond checks the /var/spool/cron directory for jobs by user. It also checks for scheduled jobs for the computer under /etc/crontab and in the /etc/cron.d directory. Here is the format of a line in crontab. Each of these columns is explained in more detail: #minute, hour, day of month, month, day of week, command * * * * * command Entries in a crontab Command Line Field Value Minute 0-59 Hour Based on a 24-hour clock; for example, 23 = 11 p.m. Day of month 1-31 Month 1-12, or jan, feb, mar, etc. Day of week 0-7; where 0 and 7 are both Sunday; or sun, mon, tue, etc. Command The command you want to run

Install the Redhat Linux RHEL 5 through NFS. Where your Server is server1.example.com having IP 172.24.254.254 and shared /var/ftp/pub. The size of the partitions are listed below: / -> 1048 /home -> 1028 /boot -> 512 /var-> 1028 /usr-> 2048 Swap -> 1.5 of RAM Size /archive configure the RAID Level 0 of remaining all free space. After completing the installation through NFS solve the following QUESTIONs. There are two networks 172.24.0.0/16 and 172.25.0.0/16. As well as there are two domains example.com on 172.24.0.0/16 network and my133t.org on 172.25.0.0/16 network. Your system is based on example.com domain. SELinux must be in enforcing mode.

• A. Insert the CD on CD-ROM and start the system.
  In Boot: Prompt type linux askmethod
  It will display the language, keyboard selection.
  It will ask you for the installation method.
  Select the NFS Image from the list
  It will ask the IP Address, Net mask, Gateway and Name Server. Select Use Dynamic IP Configuration: because DHCP Server will be configured in your exam lab.
  It will ask for the NFS Server Name and Redhat Enterprise Linux Directory. Specify the NFS Server: 172.24.254.254 Directory: /var/ftp/pub
  After Connecting to the NFS Server Installation start in GUI. Go up to the partition screen by selecting the different Options.
  Create the partition According to the QUESTION because Size and what-what partition should you create at installation time is specified in your QUESTION
  Create the two RAID partitions having equal size of remaining all free space.
  Click on RAID button
  Type mount point /archive
  Select RAID Level 0
  Click on ok
• B. Insert the CD on CD-ROM and start the system.
  In Boot: Prompt type linux askmethod
  It will display the language, keyboard selection.
  It will ask you for the installation method.
  Select the NFS Image from the list
  It will ask the IP Address, Net mask, Gateway and Name Server. Select Use Dynamic IP Configuration: because DHCP Server will be configured in your exam lab.
  It will ask for the NFS Server Name and Redhat Enterprise Linux Directory. Specify the NFS Server: 172.24.254.254 Directory: /var/ftp/pub
  After Connecting to the NFS Server Installation start in GUI . Go up to the partition screen by selecting the different Options.
  Create the partition According to the QUESTION because Size and what-what partition should you create at installation time is specified in your QUESTION
  Create the two RAID partitions having equal size of remaining all free space.
  Click on RAID button
  Type mount point /archive
  Select RAID Level 0
  Click on ok
  Then select the MBR Options, time zone and go upto package selections. It is another Most Important Time of installation. Due to the time limit, you should care about the installation packages. At Exam time you these packages are enough. X-Window System GNOME Desktop (these two packages are generally not required) Administration Tools. System Tools Windows File Server FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools
  Printing Supports
  When installation will complete, your system will reboot. Jump for another QUESTION.

Create the user named jackie, curtin, david

• A. useradd jackie
  useradd curtin
  useradd david useradd command is used to create the user.
• B. useradd jackie
  useradd curtin
  useradd david useradd command is used to create the user. All user's information stores in /etc/passwd and user;s shadow password stores in /etc/shadow.

Deny to all users except root to run cron schedule.

• A. 1. vi /etc/cron.allow root or vi /etc/cron.deny
  Write all user name to deny. /etc/cron.allow, /etc/cron.deny file is used to control users to allow or deny.
• B. 1. vi /etc/cron.allow root or vi /etc/cron.deny
  Write all user name to deny. /etc/cron.allow, /etc/cron.deny file is used to control users to allow or deny. If /etc/cron.allow file is created only that users are allowed to run cron schedule. Another way to deny to users is /etc/cron.deny write all user name on single line.