HOW TO INSTALL SSH SERVICE ON REDHAT ?

Secure shell (SSH) can be used to provide similar functionality as telnet, but it is much more secure. Telnet is consider insecure mainly because it sendsusername and password information in clear text. Therefore, telnet should be replaced with SSH.

How to install TELNET services on Linux?

Telnet is a Terminal emulation protocol that allows remote access to a system. Telnet can also refer to software which can be used by a client to remotely connect to and configure operating systems and network devices

TELNET uses TCP port 23 by default

HOW TO INSTALL HTTP SERVER ON REDHAT ?

The hypertext transfer protocol (HTTP) was originally designed for transferring word wide web (www) documents and has been extended to transfer other types of files as well. Its most common use is transferring web pages between a web browser and a web server.

HTTP uses TCP port 80 by default.

What is DNS ?

WHAT IS DNS?

• Domain Name System (DNS)
• Domain Name System (DNS) is a system for naming computers and network services that maps those names to network addresses and organizes them into a hierarchy of domains.
• DNS naming is used on TCP/IP networks, such as the Internet and most corporate networks, to locate computers and services by using user-friendly names.

Mounting Removable devices

Mounting Removable media

• Mounting integrates a foreign file system into the main tree.
• Before accessing media must be mounted.
• Before removing media must be unmounted.
• In GNOME and KDE Environments devices auto mount under /media/
• In Console, root can manually mount devices under /mnt/

Red Hat Package Managemant

Red hat package management (RPM)

• It helps us to keep track, Install, Uninstall and update software packages of your red hat system.
• RPM files can contain binaries or source code.
• It works with command line interface or GUI but in this it is limited.