What is the difference between "su" and "su -" ?
If we check the man page for su su - run a shell with substitute user and group IDs which means that if you use # su - you are switching user to the root
Security
Tutorial for SYSLOG with Examples in Red Hat Linux
I have written another article with step by step instructions to redirect specific messages to different a log file from /var/log/messages so that your messages file is not filled up with unwanted eventsSyslog is one
How to create password less ssh connection for multiple non-root users
I had done password less shh authentication between multiple Linux box a couple of time but this time I had to do the same for normal user. I thought it would be same and actually
How to create user without useradd command in Linux
Follow these steps to create a user without using useradd command in Red Hat Linux. Step 1 Add an entry of user details in /etc/passwd The field details are as shown below username:password:UID:GID:Comments:Home_Directory:Login Shell #
How to give normal user root privileges using sudo in Linux/Unix
In this post I will be very brief on the topic we need to do. As for more knowledge on sudo command and sudoers file follow the below link Understanding syntax, arguments, aliases used in
How to give permission to user to run some commands in Linux
In Linux you can easily give permissions to user on a command basis, according to which that user will be allowed to run only those commands as super user and apart from those he/she would
What is the plus (+) sign in permission in Linux ?
So do you see a plus sign in the permission section in any of your directory. No need to get confused, well it just means that the directory has extra acl permission. We use acl
iptables rules for Samba 4 in Red Hat Linux
In my earlier articles I had explained step by step guide for the configuration for Samba 4 and Samba 4.1 on Red Hat Linux OS. The links for the same can be found at the