redhat 7 enterprise linux installation
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Red Hat/CentOS 7 Linux Installation (Minimal Packages)
Linux is a free and open source operating system developed by Linus Torvalds on September 17, 1991. It is mainly used as server environment. A lot of Linux distributions are present today. Among them, Red Hat Linux is used as enterprise Linux. Red Hat is also known as Red Hat commercial Linux that means Red Hat is a paid service program. CentOS (Community Enterprise Operating System) is another Linux distribution that provides a free and open source, enterprise-class, community-supported server platform functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL). All the commands and functionalities those are available in Red Hat Enterprise Linux are available in CentOS Linux. In this article, I will show how to install current version of CentOS (CentOS 7) with minimal packages. CentOS 7 minimal installation with 7 Easy Steps CentOS 7 can be installed with 7 easy steps if you have minimum 256MB RAM, 2GB disk space and 64 bit CPU architecture because CentOS 7 does not support 32 bit CPU architecture. Step 1: Downloading CentOS 7 ISO and Making Bootable Drive First step to install CentOS 7 is to download CentOS 7 ISO image file. Go to CentOS official site centos.org and click on GET CENTOS menu link [...]
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Web Server Configuration in Linux with Apache, MariaDB and PHP | January 2, 2018
Web Server is one of the most important and most used servers today. Without web server internet cannot imagine. Even, the article you are reading is also served by a web server. So, having web server configuration knowledge is beneficial for you, I think. A web server is responsible to serve HTTP (Hypertext Transfer Protocol) contents such as text, image, audio, video etc. to its clients. A lot of web servers are present today such as Apache, IIS, Nginx and [...]
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WiFi Station Setup in MikroTik Wireless Router | November 27, 2019
MikroTik Wireless Router is capable of working as a WiFi Client. So, if any ISP provides WiFi connection for their clients, MikroTik Wireless Router can be used to connect to that ISP SSID by configuring wireless station mode. MikroTik WiFi station mode finds available SSID and connects with permitted SSID. This wireless connection can be used as wireless WAN connection and configuring LAN, multiple devices can get internet over this wireless WAN connection. In my previous article, I discussed how [...]
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OpenVPN Client Configuration in Windows 10/11 | June 29, 2022
OpenVPN is an excellent VPN solution for transmitting data securely over public network. Configuring an OpenVPN Server either on MikroTik RouterOS or Ubuntu Server, we can access local servers or devices from remote place using Windows 10/11, Android or MacOS. How to configure OpenVPN Server in Ubuntu Server was discussed in the previous article. In that article, I also discussed how to create a new OpenVPN client (for Windows OS) who will be able to connect the OpenVPN Server. So, [...]
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MikroTik Port Forwarding using Winbox | July 23, 2018
MikroTik Port Forwarding or Port Mapping is a NAT application that is used to redirect a request from MikroTik IP address and port number combination to a local IP address and port number. For example, if you have a Web Server or FTP Server in your private/local area and want to access this local server from outside of your local area (from internet/public), you can apply MikroTik port forwarding or port mapping and can easily access your Web Server or [...]
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MikroTik Wireless AP Configuration with DHCP using Winbox | October 22, 2019
MikroTik Wireless Router is one of the most popular and stable WiFi Routers. WiFi Zone for an ISP or for an office or for a home can easily be configured with MikroTik WiFi Router. MikroTik has a lot of WiFi Routers that can be used as a WiFi Access Point (AP), a WiFi Station or a WiFi Repeater. MikroTik Wireless Router can also be used as both WiFi Station and WiFi AP simultaneously. The simple usage of MikroTik Wireless Router [...]
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MikroTik Blocking Websites with TLS Host Firewall Matcher | April 29, 2019
Most of the websites now use https and blocking https websites is so much harder with the MikroTik RouterOS version less than 6.41. But from RouterOS v6.41, MikroTik Firewall introduces a new property named TLS Host that is capable to match https websites so easily. So, blocking https websites like Facebook, YouTube etc. can be easily done with MikroTik Router if RouterOS version is greater than 6.41. In my previous article, I discussed how to block websites with MikroTik Router [...]
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Managing Disk Partition with the parted Tool in CentOS 7 | March 2, 2019
As a system administrator, sometimes you may require to manage partitions of your CentOS/Red Hat Linux Operating System. Partition management is always a risky task. But there are some useful tools those are so helpful to manage CentOS/Red Hat Linux disk partition easily. In my previous article, I discussed how to manage CentOS/Red Hat 7 HDD partitions with the fdisk utility. The fdisk tool is only eligible to manage MBR partition table. But GPT partition table is now becoming more [...]
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MikroTik DNS Client and Caching DNS Server Configuration | April 7, 2019
Domain Name Server (DNS) is an essential part in a computer network. Today web communication cannot imagine without DNS. DNS is a client server protocol where DNS Client requests for the domain name resolution and DNS Server response on it. MikroTik Router has both DNS Client and DNS Server features. The DNS Client is used to resolve domain name to IP address from a DNS Server. On the other hand, the DNS Server feature provides domain name resolution for the [...]
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Linux Text Editor | September 7, 2017
Everything is file in Linux operating system. So, anyone who wants to work with Linux operating system (specially, Red Hat or CentOS) must learn how to edit files in Linux operating system. Because, it is always prefer to avoid graphical user interface (GUI) for changing system configuration parameters in Linux operating system unlike Windows operating system. You should be expert enough to edit any file in Red hat Linux operating system otherwise you will face a lot of difficulty to [...]
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