Getting started with Linux
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Getting Started with Red Hat Linux
Red Hat Linux is an open source server operating system. Although open source Red Hat is a commercial Linux distribution. So, most of the Linux administrators use CentOS because CentOS is a free and open source, enterprise-class and community-supported server platform as well as it is functionally compatible with Red Hat Enterprise Linux. In my previous article, I showed how to install CentOS 7 core packages in your server machine. Today I will introduce you with Red Hat Linux’s command prompt as well as 11 important commands that are always used for Linux administration. If you are new in this article as well as Red Hat Linux operating system, install CentOS 7 according to my previous article and then continue the rest of this article. Introduction with Red Hat Linux Command Prompt If you do not install CentOS yet, please complete CentOS 7 core (minimal packages) installation according to my previous article. I always suggest you to install CentOS core installation because Red Hat Linux is mainly used for server platform. So, if you use CentOS Desktop, your server will be bulky as well as server overhead will increase. It may impact of your server performance. On the other hand, [...]
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Firewalld Installation and Configuration in Ubuntu Server | May 5, 2022
Firewalld is an awesome host based firewall management tool for Linux Operating System. Firewalld has developed on Fedora but it is now available for almost all Linux distributions. So, Firewalld can be installed in Ubuntu Server although Ubuntu Server has UFW as the default firewall system. Firewalld is more robust and easy to maintain than UFW, I think. So, I am going to discuss how to install and configure Firewalld in Ubuntu Server. Installing Firewalld in Ubuntu Server By default [...]
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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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Latest Google Chrome Free Download and Install | August 23, 2015
Google Chrome is one of the most popular web browsers to any online user. Google Chrome is a free application by Google. So, you can download and install Google Chrome in your operating system at any time. Google Chrome is too easy to use and bug is so less. Google Chrome has an awesome look and a lot of functionalities which help to use Google Chrome so easily. It is said that any online user cannot go a single day without Google [...]
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Internet Connection Sharing Ethernet to Ethernet | September 22, 2015
Windows is the most popular operating system to any computer user. It is said that no computer user cannot go a single a day without windows operating system. Windows has a lot of default internet features which help to connect our computer to internet as well as it provides internet connection sharing facility. With Internet Connection Sharing (ICS) feature, you can turn your laptop into Wi-Fi hotspot or turn your desktop into a router to share your broadband connection with your family [...]
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MikroTik DHCP Server Configuration with Radius Server | January 24, 2018
The Dynamic Host Configuration Protocol (DHCP) is a client-server protocol that is used to assign an IP address and other network configuration parameters dynamically to each device on a network so that they can communicate with other IP networks. DHCP Server is popularly used in an Enterprise Office Network because in an office network various types of IP devices such as Laptop, Desktop, Tablet, Smartphone, IP Phone and so on are maintained and almost all IP devices support DHCP. An ISP Network can also be [...]
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How to Backup and Restore Mozilla Firefox Bookmarks | August 13, 2015
Bookmark is one of the most important and useful features in Mozilla Firefox Browser. If Bookmark is lost, Firefox users become very anxiety to recover it. But Mozilla Firefox also provides a tool to backup and restore Bookmarks so easily. So don’t need to be worried. If you know the proper steps about how to take a backup of your bookmark file and how to restore that bookmark backup file again, it will be very beneficial for you. So, this [...]
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MikroTik VLAN Routing Configuration with Manageable Switch | July 11, 2018
A VLAN (Virtual LAN) is a group of computers, servers, network printers and other network devices that behave as if they were connected to a single network. VLAN is a logical topology that divides a single broadcast domain into multiple broadcast domains. VLAN is a layer 2 method. So, a manageable switch is required to manage VLAN in your network and a router is required to route and control your inter-VLAN. VLAN increases network security and performance as well as [...]
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MikroTik VRRP Configuration with DHCP Server | October 22, 2018
MikroTik VRRP (Virtual Router Redundancy Protocol) ensures high available internet network. If any organization requires uninterrupted internet connection, MikroTik VRRP implementation will be a vital solution for them. MikroTik VRRP creates a virtual router accumulating two or more physical routers and ensures uninterrupted internet connection keeping activate one physical router always. That means, if any physical router fails to operate due to any hardware failure, MikroTik VRRP uses another backup router for internet gateway until the running router comes back [...]
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How to Install MikroTik CHR on VMware Workstation | September 9, 2019
MikroTik is found both RouterBoard where RouterOS and License are prebuilt and RouterOS Application that can be installed on a Physical Machine or Virtual Machine. RouterOS installation on Physical or Virtual Machine has license limitations. Full RouterOS packages cannot be used more than 24 hours without license. So, RouterOS application is not suitable for the Trainee or not suitable to RND purpose. From RouterOS v6.34, MikroTik introduces Cloud Hosted Router (CHR, a new RouterOS version) which has different licensing scheme. [...]
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