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Download the latest ubuntu Desktop or Server Image from the Ubuntu website https://ubuntu.com/download/desktop Login to EVE-NG using WinSCP and go to below folder /opt/unetlab/addons/qemu Create a new folder under EVE-NG and upload the same iso image. Once iso image uploaded please rename it with cdrom.iso mv imagename.iso cdrom.iso Create a new disk to install the…
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Select try or install Ubuntu It will load the ubuntu files Select Install Ubuntu Select keyboard type Select normal installation, select download update while installing ubuntu if you have DHCP server and your node is connected to Internet. Erase disk and install Ubuntu – This option will erase all existing data from disk and…
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Before upgrading the ASA, you should perform the following preparation: Check compatibility between different versions of operating systems; for example, make sure that the ASA version is compatible with the ASA Firepower module version. Check the upgrade path for the current version to the target version; ensure you plan for any intermediate versions required for…
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There are two methods to activate the license on F5 Devices (Physical and Virtual appliances). Automatic Activation – Require Active Internet connection. Manual Activation Activate and install a new License on a new Big IP System: Please the below steps to activate the license on new BIG IP system. Note: I’m taking example of Virtual…
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MSS (maximum segment size) limits the size of packets, or small chunks of data, that travel across a network, such as the Internet. All data that travels over a network is broken up into packets. Packets have several headers attached to them that contain information about their contents and destination. MSS measures the non-header portion…
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TCP (Transmission Control Protocol) is a standard that defines how to establish and maintain a network conversation through which application programs can exchange data. TCP is a connection-oriented protocol, TCP requires that connection between two remote points be established before sending actual data. TCP ensures that the data reaches intended destination in the same order…
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stands for Internet Protocol and it is responsible for delivering packets from the source host to the destination host by looking at the IP addresses in the packet headers. IP has 2 versions: IPv4 IPv4 was the first version of IP. It was deployed for production in the ARPANET in 1983. Today it is the…
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TCP 3 Way Handshake TCP uses a three-way handshake to establish a reliable connection. The connection is full duplex, and both sides synchronize. TCP Three-Way Handshake Process to establish the connection TCP Three-Way Handshake Process to terminate the connection once client complete the data transfer it will gracefully terminate the connection using 3-way handshake method. 3-way Handshake in real world Client…
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Check Point backup feature allows backing up the configuration of the Gaia OS and of the Security Management server database, or restoring a previously save configuration. It allows to schedule backup for daily, weekly and yearly. It is very useful while doing RMA or reinstallation. The configuration is saved to a .tgz format in the…
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In this section we will configure 2 Gateways and 1 Management server. Configure Management server to control all gateways. For initial setup please follow below link. https://sanchitgurukul.in/2020/04/10/how-to-install-checkpoint-standalone-firewall/ Configure first Time setup Management server: 1. Login to Management server 2. Run Check P oint first time configuration wizard 3. Click Next, select deployment Option 4. Click Next, Setup Mgmt Interface 5. Click Next,…
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Step 1: Install R80.10 with initial configuration a. Connect to console port b. Choose Install Gaia on a System c. Click ok to procced with Gaia Installation d. Perform partitions Configuration You can assign the disk space as per your requirement, I will leave it as default. Click OK to proceed further. e. Set admin password f. Select Management Interface as…
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Latest from the Blog
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What is DNS (Domain Name Server)?
The Domain Name System (DNS) is phone book for Internet. All computers on the Internet, from your smart phone or laptop to the servers that serve content for massive retail websites, find and communicate with one another by using numbers. These numbers are known as IP addresses. When you open a web browser and go… Read more
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What is ARP (Address Resolution Protocol)?
Address Resolution Protocol (ARP) is an important protocol of the network layer in the OSI model, which helps find the MAC (Media Access Control) address given the system’s IP address. The ARP’s main task is to convert the 32-bit IP address (for IPv4) to a 48-bit MAC address. In other word, Address Resolution Protocol (ARP)… Read more
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What is MTU (Maximum Transmission Unit)?
In networking, maximum transmission unit (MTU) is a measurement representing the largest data packet that a network-connected device will accept. MTU is measured in bytes — a “byte” is equal to 8 bits of information, meaning 8 ones and zeroes. 1,500 bytes is the maximum MTU size. What is Jumbo Frame? A jumbo frame is… Read more
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