How to secure boot loader (grub menu) with password in RHEL 6
Below is the GRUB menu where we are planning to put the password so that no one logs in to single user mode without permission As you can see by default anyone can press "e"
Security
How to track all the successful and failed login attempts by users in Linux
There are various commands which can be used for this purpose. I will try to briefly explain each of them with examples Method 1 All the login attempts made to your system are stored
How to check last login time for users in Linux
There are few commands which you can use to get a list of last logged in users with time details Command 1 last - show listing of last logged in users Description This command
Iptables rules to allow/block ssh incoming/outgoing connection in Linux
Let me show you some iptable rules which can be used to allow or block ssh connection from a specific host or network Block 192.168.1.10 from connecting your localhost 192.168.1.6 [root@test1 ~]# iptables -I INPUT
Iptables rules to block/allow icmp ping request in Linux
In this article I will show you different ways to block or allow incoming and outgoing icmp ping request in your Linux server. Block ICMP ping request from all the servers in my network 192.168.1.0/24
How to secure Apache web server in Linux using password (.htaccess)
Here I have provided simple steps to configure your webpage with login authentication. So that you can prevent unauthorized access to your pages on the website. I have used Red Hat 6 machine for these
How to register Red Hat Linux with RHN ( Red Hat Network )
I will show you simple steps to register your Red Hat Linux server with Red Hat Network (RHN). Below article is only valid for Red Hat 6 and earlier, for Red Hat 7 use the
15 tips to enhance security of your Linux Server
It is not possible for me to tell you with all the possible features because that is out of my knoweldge level but I will try to put everything I know which can be used