Davoud Teimouri - Virtualization & Datacenter

A technology blog mainly focusing on virtualization and datacenter

Category: Home Lab

Installing Arch Linux Using Arch Anywhere – Part 1

Arch Linux is one of most popular Linux distributions and one of most updated Linux distributions. Arch Linux has no graphical or automatic installer for installation and installing Arch Linux is not simple for most new users. During installation, you have to do initialize disk, create partitions, configure boot-loader and other configurations manually. So you […]




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Nakivo Backup & Replication – VM Replication

Create Replication Job - Step 6

Replication You can take backup from your virtual machines by Nakivo Backup & Replication, we have talked about that before. We’ve reviewed some amazing features but now, I want to explain replication feature for you. You can create your replicated VMs in few steps, that’s so easy. Nakivo Backup & Replication needs some requirements and […]




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Nakivo Backup & Replication – Command Line Interface – Part 2

Nakivo CLI

Part 2: As you may read my previous post which was first part of Nakivo Backup & Replication command line interface introducing posts, you can access to the command line by different ways and run your commands. Now, we want to know, which commands are available to use? The current commands categorized as the below […]




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Nakivo Backup & Replication – Command Line Interface – Part 1

Nakivo CLI

Nakivo Backup & Replication is now one of favorite backup and replication suites for vSphere environments and many small businesses using it for keeping their data secure, preventing down time during DR and recover any file or object from their services which hosting by virtual machines. I wrote some posts about Nakivo Backup & Replication and […]




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Nakivo Backup & Replication 6.x – Instant File Recovery

File Recovery - Individual Files

Sometimes, you need to restore some files (Instant File Recovery) that it’s stored on your virtual machine cause of file corruption or anything else. So you will look at your backup and you will try to restore your machine. The files will be restored but other files that you don’t need those restored! All you […]




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New VMware LABS – NSX for App Volumes

NSX for App Volumes

Summary NSX for App Volumes offers the ability to manage network policies associated with an application in App Volumes. More specifically, this Fling gives App Volumes the ability to publish applications to desktops with associated network policies in real-time. The associated network policies will be effective when applications are attached to desktops and deactivated when […]




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Nakivo Backup & Replication 6.x – Hot Add Feature

Hot Add Snapshot Disk

What’s Hot Add? As you may know, Nakivo Backup & Replication (NBR) supports multiple transport modes such as NBD (Network Block Device), NBDSSL, SAN and Hot Add (from Nakivo 6.1 and above). You must know that Hot Add is default transport mode in Nakivo 6.1 and above and if Hot Add is not available, system […]




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Linux KickStart – Automated Installation

KickStart Menu

What Is KickStart Installation? Kickstart installations offer a means to automate the installation process, either partially or fully. Kickstart files contain answers to all questions normally asked by the installation program, such as what time zone you want the system to use, how the drives should be partitioned, or which packages should be installed. Providing […]




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Nakivo Backup Replication 6.x – Flash VM Boot

Job Info

Introduction Flash VM Boot is one of Nakivo Backup Replication features and one of favorite features for most administrators because they can recover the latest state of virtual machine very fast and easily. You can reduce your down time when your machine is infected by ransomware or virus or your virtual machine files has been […]




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Nakivo Backup Replication 6.x – Screenshot Verification

Screenshot Verification

Introduction Screenshot Verification is a feature to verify backup and replication jobs status. Nakivo Backup Replication can makes screenshot from booted OS when backup is recovered or sending screenshot via email as a report and proof when the jobs have been done. The feature is an useful feature for administrators, they can configure it simply, […]




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EIGRP over Frame-Relay

In this project we have three sites and they are connected together by a frame-relay environment and also we want to run EIGRP on our routers. After configuration, each client should be able to ping others. Our clients configuration are as follows: {C1} IP Address: 192.168.1.2/30 {C2} IP Address: 192.168.2.2/30 {C3} IP Address: 192.168.3.2/30 In this step we’ll […]




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Dynamic NAT (PAT)

In computer networking, network address translation (NAT) is the process of modifying IP address information in IP packet headers while in transit across a traffic routing device. In this case we want to make an internal network that our clients can communicate with outside of our network such as an ISP.   Because we have just one IP, we must use dynamic NAT […]




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Frame Relay Switching

Frame Relay is a standardized wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology. Originally designed for transport across Integrated Services Digital Network (ISDN) infrastructure, it may be used today in the context of many other network interfaces. In this project we will simulate a frame-relay switch by a router.We will use hub-and-spoke […]




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Send router logs to a syslog server

A log, maybe this term means for you to trashy files, unless information and …, maybe you’re right but sometimes a line even a word of these, can help you to resolve your problem, so I think logs are necessarily items for troubleshooting! In this project, we have 3 clients in a simple network and we want to control incoming […]




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RIP over Frame Relay

  Overview of Network Packet Tracer File We have two sites in a city or in two different cities, we need connect them by a fast, secure and low cost solution, Frame Relay is most common solution for it. Our goals in this project are as follows: Working with WAN emulation object. Configure serial ports […]




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RIP Routing

  Overview of Network   Packet Tracer File In this project we need to configure RIP routing in our corporate network and also we need to connect our network to the Internet. We have three sites Tehran, Shiraz and Isfahan. Tehran site is default gateway for our network. Other sites should be connected to Tehran […]




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