20 Linux System Monitoring Tools

4:15 AM linux/unix, monitoring command, server, tools No Comments

Need to monitor Linux server performance? When a performance issue arises, there are 4 main areas to consider: CPU, Memory, Disk I/O, and Network. The commands discussed below are some of the most basic commands when it comes to system analysis and debugging server issues such as: Monitoring System Resource Monitoring Disks (storage) . Monitoring Users. Network bottlenecks. 1.Monitoring System Resource 1.1 Top – Linux Process Monitoring The top will display a continually updating report...

Read More

IEEE 802 Standards

11:06 PM IEEE, network No Comments

 Brief background of IEEE802 standards for LAN and MAN While connecting computers through networks we need to have set of rules/standards for the data to travel from one computer to other computer. The right example for this can be road traffic rules. It's self understood, why we need traffic rules while driving, in same sense for the data packets to travel from one computer terminal to other terminal they should also follow set of rules and regulations. One such set of rules for the networking...

Read More

Local Area Network(LAN) Topologies

6:00 AM network, topology No Comments

The term network topology refers to the layout of a network. The type of topology affects what networking method is used, as well as what cable types and network devices are required. Network topologies can be defined on a physical level or on a logical level. The physical topology refers to how a network is physically constructed — that is, how it actually looks. The logical topology refers to how a network looks to the devices that use it—in other words, how it actually functions. There are...

Read More

Network Address Translation(NAT)

7:12 AM ccna, NAT, network No Comments

 Network Address Translation (NAT) is the process where a network device, usually a firewall, assigns a public address to a computer (or group of computers) inside a private network. The main use of NAT is to limit the number of public IP addresses an organization or company must use, for both economy and security purposes. Purposes of NAT: NAT accomplishes these key purposes: ·         It acts as a firewall by hiding internal IP addresses. ·         It...

Read More