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Managing Disk Partition with the parted Tool in CentOS 7
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 popular. On the other hand, the fdisk tool cannot resize (shrink or extend) a partition. To overcome these limitations, we can use another partition management tool named parted which can handle GPT partition table as well as can resize disk partitions. In this article, we will know how to create, delete, resize and rescue partitions in CentOS 7/Red Hat 7 Linux with the parted partition manager tool. The parted Utility The parted is open source and command line utility that is used to manage hard disk partitions. It supports multiple partition table formats including MS-DOS (MBR) and GPT. It is useful for creating space for new operating systems, reorganizing disk usage, and copying data to new hard disks. Installing parted [...]
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CentOS 7 Partition Management with fdisk Utility | February 11, 2019
CentOS or Red Hat Linux is a popular server operating system to the system administrators. Almost all the system admins or IT guys who play with mail server, file server, proxy server and so on are so known with CentOS or Red Hat Linux and cannot go a single day without this operating system. The guys who are also wish to be a system admin should be familiar with CentOS or Red Hat operating system. In my previous article, I [...]
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Ubuntu Server 20.04 Installation with LVM | May 28, 2021
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, Ubuntu is one of the best stable Linux distributions. Ubuntu has both Desktop and Server distribution. Ubuntu Server is a high performance and stable enterprise Linux distribution and it can be easily used in production. Ubuntu Server has both community-support and well documentation. So, IT guys can use Ubuntu [...]
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FreeRADIUS User Group Management with MySQL | January 3, 2019
FreeRADIUS is a high performance RADIUS Server. A number of network devices can be used with freeRADIUS Server as a RADIUS Client including MikroTik Router. As a modular RADIUS suite, freeRADIUS accepts MySQL module to query user authentication and authorization and to store accounting data. In my previous article, I discussed how to install and configure FreeRADIUS MySQL module. I also discussed how to authenticate MikroTik Login with freeRADIUS MySQL user. In this article, we will talk about how to [...]
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Single IP NAT Strategy in MikroTik RouterOS 7 | September 29, 2015
MikroTik Router has a lot of features which help to customize network as our requirement. Sometimes, it may be our requirement that we need to allow internet access on per IP. Normally, when we apply masquerade NAT rule in our MikroTik Router, all private IPs will be masqueraded or a network block will be masqueraded. If we do normal masqurade and enable a DHCP Server in our network, we may face a lot of unauthorized access in our network. Because [...]
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MikroTik WiFi MAC Authentication with UserMan RADIUS Server | December 23, 2019
MikroTik Wireless Router is popularly used as WiFi AP. MikroTik WiFi AP has a lot of features to tune WiFi network as your requirements. MAC authentication is one the amazing and useful features in MikroTik WiFi. MAC authentication enables filtering MAC address that means no MAC can be able to connect to WiFi AP without authentication. MAC authentication can be done either local database or RADIUS Server. MAC authentication with RADIUS Server provides facility to manage multiple APs from centralized [...]
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CAPsMAN Channel Planning with Non-Overlapping Frequency | March 16, 2020
MikroTik CAPsMAN is an excellent application for managing multiple CAPs (Controlled Access Point) in a Wireless Network. But multiple APs create frequency overlapping issue if channels are not configured properly. Channel overlapping is required for smooth connection while roaming but there should not be frequency overlapping because frequency overlapping makes wireless performance so poor. In my previous article, I discussed MikroTik CAPsMAN basic configuration with default channel configuration. In this article, I will discuss how to configure CAPsMAN channel to [...]
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MikroTik Hotspot with Bandwidth Limitation and Prepaid Billing System | January 14, 2018
Say, you are a network administrator and want to establish a network that will have user bandwidth package management facility with prepaid billing system as well as partner advertisement facility. Then, MikroTik Hotspot Server Configuration with MikroTik User Manager Radius Server will be a wise decision. Because, MikroTik User Manager Radius Server is a user authentication, authorization and accounting application that will give facility to manage user bandwidth package with prepaid billing system. On the other hand, you can easily [...]
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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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LVM Management in CentOS/Red Hat 7 Linux | March 15, 2019
LVM (Logical Volume Manager) is the recommended partition method for CentOS/Red Hat 7 Linux. Specially, if we work on Mail Server, File Server, FTP Server, Web Proxy Server or any application where disk space changes frequently, the LVM partition is mandatory in this case. In my previous article, I discussed how to install CentOS 7.5 with LVM partitioning. If you are new here or CentOS 7 is not yet installed, I will suggest you to follow my previous article and [...]
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