centos disk partition with fdisk
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CentOS 7 Partition Management with fdisk Utility
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 discussed how to install CentOS 7 step by step with GUI mode (GNOME Desktop) or CLI mode (minimal installation). I also discussed how to configure network with nmtui tool as well as editing network files. In this article, I will discuss how to manage CentOS 7 or Red Hat 7 Linux partition with the fdisk tool. But before going to start, we should have some basic idea on the following terms. File System In computer system, a File System defines how data or information is stored and retrieved from a storage disk. In Windows Operating System, the popular file systems are FAT32 and NTFS. On the other hand in Linux Operating System, the popular file systems are ext2, ext3, ext4, [...]
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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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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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How to Mount USB Device in CentOS 7 (NTFS and Linux FS) | February 18, 2019
USB Hard Disk Drive or USB Flash Drive (Pen drive) is a popular external device that can be used to backup data or transfer data from one device to other device. In GUI (Graphical User Interface) Operating System such as Window or GNOME Desktop in Linux can automatically mount USB device and can show data in it if the File System of that device is supported. But all users do not like or always do not have GUI mode of [...]
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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 RADIUS Server Setup with User Manager – RouterOS7 | August 4, 2022
MikroTik User Manager RADIUS Server is an awesome service for user Authentication, Authorization and Accounting (AAA) for a small or medium business. User Manager RADIUS Server can be used to maintain Hotspot, PPP, DHCP, IPsec, Wireless and System User authentication. In RouterOS 7, User Manager has come with new features and looking, specially, maintaining from Winbox. As User Mange package does not come with the default system package in RouterOS 7, we have to install User Manger package manually before [...]
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MikroTik Load Balancing with 2 PPPoE and 1 Static WAN using ECMP | September 24, 2019
ECMP provides almost 100% reliable load balancing and link redundancy solution. ECMP is a per connection load balancing where connection is marked with source and destination IP pair. In my previous article I discussed how to configure DUAL WAN load balancing with failover using ECMP method where WAN connections were static IP Addresses. But some ISP companies use PPPoE service for their client connection. So, some network administrators become confused to configure load balancing with PPPoE WAN connection because PPPoE [...]
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Port Based Apache Virtual Hosting on RHEL 7 | July 26, 2019
Virtual Hosting is a method of hosting multiple domains on single web server. If you have multiple domains (such as domain1.com, domain2.com and so on) and want to host on single web server, Virtual Hosting is your right choice. Apache web server provides an easy way to manage Virtual Hosting. Virtual Hosting can be Name Based, IP Based or Port Based. In Name Based Virtual Hosting, multiple domains can be hosted on single Server and single IP address. On the [...]
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FreeRADIUS Installation and Basic Configuration on CentOS 7 | November 28, 2018
FreeRADIUS is a modular, high performance and highly customizable open source RADIUS server. Anyone can use FreeRADIUS without any charge and can customize his RADIUS server according to his organizational requirements. In my previous article, I discussed how to install and configure user manager RADIUS server developed by MikroTik. The main disadvantage of user manager RADIUS server is ‘it is not customizable and not suitable for medium or large organization’. On the other hand, FreeRADIUS is giving facility to customize [...]
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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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