Author name: gansanadmin

Firewall Hardware Guidance

To size a  firewall  keep in mind  these 3 main factors: Required throughput Features or additional packages Number and type of NIC (Network Interface Card) required These 3 factors mainly affect RAM, CPU, mass memory and NIC quantities. How to calculate throughput ? A sum of available throughput of all interfaces [ including wan and […]

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Backups & Snapshots

Snapshots :  Snapshots aren’t really a backup, but a convenient way to rollback in time. All snapshots are on the same storage as their original disk: if you lose the original disk or storage, you’ll lose all your snapshots. Also, they are not mutually exclusive with backups. We strongly advise that you do NOT rely

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IT incharge – Responsibilities

An IT incharge, also known as an IT manager or IT coordinator, is responsible for managing and coordinating the use of technology within an organization. Some specific responsibilities of an IT incharge may include: Managing and maintaining the organization’s computer systems, including hardware, software, and networks. Implementing and enforcing policies related to the use of

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Ransomware is a type of malicious software that encrypts a victim’s files. The attackers then demand a ransom from the victim to restore access to the files upon payment. Ransomware attacks are typically carried out using a Trojan that is disguised as a legitimate file that the user is tricked into downloading or opening when

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Security of Web Servers

Securing a web server is an important task that involves multiple steps and layers of protection. Some of the key measures that can help ensure the security of a web server include: Use strong and unique passwords for all accounts, including the root account and any other administrative accounts. Keep the operating system and all

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Open Source Databases

There are many open source database management systems (DBMS) available for use. Some popular open source DBMS options include: MySQL: a popular open source DBMS that is widely used for web-based applications and is known for its speed, reliability, and ease of use. PostgreSQL: a powerful open source object-relational DBMS that is known for its

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NTFS File System

NTFS (New Technology File System) is a proprietary file system developed by Microsoft for use on its Windows operating systems. It is the default file system for Windows NT and later versions of Windows, including Windows 10. NTFS is a modern file system that supports features such as file-level security, compression, and encryption. It also

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ZFS File System

ZFS (Zettabyte File System) is a modern, scalable file system that was developed by Sun Microsystems (now part of Oracle). It is designed to support very large storage volumes and has a number of advanced features, including support for data integrity, snapshotting, and data compression. One of the key features of ZFS is its use

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BRTFS file system

  Btrfs (B-tree file system) is a modern, general-purpose file system that was designed to address the needs of modern storage systems, including fault tolerance, repair, and easy administration. It is often used as a replacement for traditional file systems such as ext4 on Linux systems. Btrfs is designed to be scalable, with support for

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Network Cable Brief

There are several types of network cables, each with its own set of specifications and length limitations. Here is a summary of some of the most common types of network cables: Twisted Pair Cable: This is the most common type of network cable, and it is made up of two insulated copper wires twisted together.

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