Please forward this error screen to sharedip-10718057119. You may start using the OS as rhel 7 interview questions and answers pdf as you install it, but to make the most out of your system you need to perform a few updates, install a few packages, configure certain services and application.
CentOS Minimal Install which is preferred in Enterprise and production environment, if not you can follow below guide that will show you minimal installations of both. The following are the list of important things, which we’ve covered in this guide based on industry standard requirements. After minimal RHEL 7 installation, it’s time to register and enable your system to Red Hat Subscription repositories and perform a full system update. We will be using ip command the replacement of ifconfig command. However, ifconfig command is still available for most of the Linux distributions and can be installed from default repository. But as I said we will be using ip command to configure static IP address.
So, make sure you first check the current IP address. Now we will be editing four fields in the file. Note the below four fields and leave everything else untouched. Also leave double quotes as it is and enter your data in between. Notice your IP, GATEWAY and DNS will vary, please confirm it with your ISP.
Restart service network and check the IP is correct or not, that was assigned. After setting hostname, make sure to confirm hostname by logout and login again. After login check new hostname. This will not install any new packages other than updating and installing the latest version of installed packages and security updates. However it is always a good idea to review the changes which is going to take place on the sever specially in production. Hence using the below command may automate the update and upgrade for you but it is not recommended.
In most cases, specially in production environment, we usually install CentOS as command line with no GUI, in this situation we must have a commandline browsing tool to check websites via terminal. Add the port you just opened for Apache through firewall and then reload firewall. Now add the Apache service to system-wide to start automatically when system boots. We are thankful for your never ending support.