Red Hat Certified System Administrator (RHCSA)

Initial setup

Password break

Edit a connection

Activate a connection

Set host name

Firewall mask setup

Create repo

1. Selinux make enforcing

2. Create a partition 500MB with xfs to be mounted /common

3. User create with secondary group admin and no login

4.create a collaborative directory /common/admin with the following characterstics.Group ownership of /common/admin is admin the directory should be readable ,writeable and accessible to members of admin but not to any other users.(It is understood the root as access to all files and directories on the system).files created in /common/admin automatically have group ownership set to the admin group

5. shedule a job.harry set the own job schedule on 12:40 at noon print /bin/echo on "hello world".natasha should not schedule cron jobs

6.Install the appropriate kernel update from http://classroom.example.com/rhel7.0/x86_64/errata/ The following criteria must also be met .the updated kernel is a default when is system is rebooted. the original kernel remains available and bootable on the system.

7.create a swap memory. create a swap partition 512MB size

8.Archive /etc/hosts to /var/tmp/archive.tar.bz2.

    Please read carefully the question /var/ and /tmp are directory. So remove the /tmp or /var and try it.

9.Bind to the LDAP domain example.com provided by classroom.example.com for user..

note the following.ldapuserX should be able to log into your system, where X is your server number, but will not have a home directory until you have completed the autofs requirement below.all ldap user have a password of password

Note:your ldap user TLS certificate path http://classroom.example.com/pub/EXAMPLE-CA-CERT

10.10.Configure autofs to automount the home directories of LDAP users. Note the following:

i) classroom.example.com (172.25.254.254) NFS -exports /home/guests to your system,.

ii) ldapuserX's home directory is classroom.example.com:/home/guests/ldapuserX. where X is your station number

iii) ldapuserX's home directory should be automounted locally mapped to /home as /home/guests.

home directories must be writeable by their users.

while you are able to log in as any of the users ldapuser1 through ldaouser20.the only home directory.

that is accessible from your system is ldapuserxExample:station 100 would configure the automounter such that ldapuser100's home directory /home/guest gets mounted automatically upon login.

11.copy the file /etc/fstab to var/tmp.configure the permission of /var/tmp/fstab.

the file /var/tmp/fstab is owened by root user.

the file /var/tmp/fstab is belongs to the group root.

the file /var/tmp/fstab is should not be executable by any one.

the user harry is able to read and write by /var/tmp/fstab.

the user Natasha can neither read nor write /var/tmp/fstab.

all other user(current/future)have the ablity to read /var/tmp/fstab.

12. configure your system so that it is an NTP client of classroom.example.com.

13.find the owner of the file sandy to copy the file to given path of root/find.user.

14.Create one logical volume named database and it should be on datastore volume group with size 50 extent..

(i) the datastore volume group extend should be 16MiB..

mount the logical volume under mount point /mnt/database.

15.to create a new user with UID 1326 alies.

16.Enable FTP service on your system and anonymous user's can download options available on your server.

17.Find the string "/bin/bash" in /etc/passwd and searching string as been stored in /root/search.txt.

18.The initial size of that logical volume database is 800MB. Make successfully reduce the size of logical volume 500MB without losing any data..