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LVM Management in CentOS/Red Hat 7 Linux
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 install CentOS 7 with LVM partitioning and then continue this article. In this article, I will discuss how to manage LVM partitioning in CentOS/ Red Hat 7 Linux with the command line utility. Basic Components and Architecture of LVM Before going to start LVM management with command line tool, we should have basic knowledge on the basic LVM terms and architecture. The following three terms are the basic components of the LVM partitioning. Physical Volume: The underlying physical storage unit of an LVM is a block device such as a partition of a disk or the whole disk. To use the block device for an LVM logical volume, the device must be initialized as a physical volume (PV). Volume Groups: [...]
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How to Install Extra Packages in MikroTik RouterOS | October 10, 2019
MikroTik RouterOS does not always include all the packages those are developed by MikroTik team. So, sometimes you may find that some packages are missing in your RouterOS such as NTP package, DUDE package, Wireless package, CAPsMAN package and so on. Specially, user manager package which is totally a separate MikroTik RADIUS package used to manage user authentication, authorization and accounting is always missing. Also upgrading RouterOS or downgrading RouterOS you may find that some packages are missing there. So, [...]
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MikroTik Block Website (Facebook, YouTube and Other Sites) | October 12, 2017
MikroTik Firewall is a powerful security tool that can be used to block unwanted websites. If you are a network administrator, sometimes it may be your requirement to block any website like Facebook, YouTube, Pornographic site and so on. To block these types of websites, you just need to create Firewall Rules that will drop any connection to these websites through your MikroTik Router. MikroTik Firewall basic concept such as what is MikroTik Firewall, what is MikroTik Firewall Rule, how [...]
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Static Routing Configuration in MikroTik Router | February 11, 2018
Static Routing is an important topic to any network administrator who works with multiple MikroTik RouterOS and wants to establish communication among Router’s local networks. For example, say a network administrator maintains two MikroTik RouterOS connected with any communication medium and each RouterOS has its own networks and network resources such as servers, printers etc. and he wants that each network and network resources will be accessible from other networks. In this case, static routing configuration between two RouterOS will [...]
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Ubuntu Web Server Configuration with phpMyAdmin (LAMP Stack) | July 12, 2021
Ubuntu Server is one of the most popular open source operating systems that can be used in production without any hassle. In my previous article, I discussed how to install Ubuntu Server with LVM partition. I also discussed how to assign static IP address on Ubuntu Server interface with Netplan network management tool. Ubuntu web server is a popular service because web developers usually use Ubuntu Server for their development project. Besides development project, Ubuntu web server can also be [...]
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How to Assign Static IP Address in Windows OS | September 16, 2015
Communication between one computer to another computer or server is established with IP addresses. Without IP address no communication is possible in computer network. An Internet Protocol (IP) Address is a numerical value or label assigned to each electronic device (e.g., computer, smartphone and printer) which uses Internet Protocol for communication. IP can be assigned both dynamically and statically on a IP devices. Dynamic IP is assigned by a DHCP server. If a DHCP server is present in a network, [...]
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MikroTik PPPoE Server Configuration with freeRADIUS Server | January 20, 2019
PPPoE Service is one of the most popular services in MikroTik Router. It is specially used by the local ISP provider for the simplicity of client connection. MikroTik PPPoE Service accepts user or client authentication and authorization both MikroTik local user database and RADIUS user database. RADIUS Server provides an efficient way to manage user authentication, authorization and accounting. FreeRADIUS is a high performance RADIUS suite that provides user authentication, authorization and accounting facility for a number of network devices [...]
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MikroTik VPN Configuration with PPTP (Connecting Remote Client) | August 17, 2016
VPN (Virtual Private Network) is a technology that extends private network across a public network. It enables private network users to send and receive data across public network as if their network devices were directly connected to the private network. There are many VPN services in MikroTik RouterOS 7. Among them, MikroTik PPTP is a mostly used VPN service. It is a client-server VPN technology. So, a user can access server, printer, IP phone and any other network devices of [...]
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How to Recover MikroTik User Password | August 9, 2018
MikroTik Wiki and Forum say that there is no way to recover MikroTik user password without losing MikroTik configuration. But if you have an unencrypted configuration file backup taken before, you will be able to recover your user password using MikroTik password recovery tools. How to Backup and Restore MikroTik configuration file manually was discussed in my previous article. I also discussed how to backup MikroTik configuration file automatically via Mail in another article and in this article I will [...]
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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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