Thursday, 14 July 2022

User Management in Linux PART-3 |RHCSA |Part-20 | Practice in RHEL8 on AWS | Devops & Developer tool

 1. groupadd -  To Create Group

groupadd <name of group>

2. user mod - To add User in Particular Group

     usermod  -G <group name> <username>

     usermod -G < Grp1 , Grp2 , Grp3 > <username>

 * If you add that particular user to another  group it will remove that user from   existing group . So , Solution for this Problem is use -a to Append.

     usermod -aG <group name> <username>

*If you Want to add Comment at user Credential Location

   usermod -c "Hi this is important user" <username>

* If you are Working on AWS Install User Utils

  yum install util-linux-user

3. chfn - Change Finger Print Information

     chfn -f <name> -o <office no.> -p <phone no.> -h <home no.> <user name>

4. usermod -d - to change path of user 

usermod -d /home/userhome <username>

5. chown - to change owner of any file or Directory

    chown <new user>  <path where  files & directories >

6. chgrp - Change group of any file or Directory

    chgrp -cv <new group name>  <path where  files & directories >

7. chown - To Change group & user of file Directory with single Command

    chown <user> : <group> <path where  files & directories >

8. usermod -md - copy all stuff of old user to new user

    user mod -md <path of user> <user>






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