Linux, Windows, Security, Programming, Network Tutorials
Cisco announced the Packet Tracer 8 which is the latest version on 28 January 2021. The Cisco Packet Tracer is a network simulation tool that is supported by Windows, Linux, MacOSX, Android, iOS. Cisco Packet Tracer provided as 32-bit and 64-bit for most of the supported operating systems. Download Cisco Packet Tracer 8 The Cisco … Read more
Modem is a device that can transmit data for long-range. The modem is a network device which is mainly used to access internet network but can be also used different special network access. The modem name is created with the conjunction of “Modulator” and “Demodulator” words which are two fundamental functions of a Modem. Modem … Read more
Angry IP scanner is a very fast IP address and port scanner which is popular amongst systems administrators. It is cross-platform and lightweight where it can be installed easily. Angry IP scanner comes without a cost. Angry IP scanner can resolve NetBIOS protocol, computer names, workgroup name, currently logged in users. Results can be exported … Read more
Cisco provides a different level of certification called CCNA, CCNP, CCIE for its products, and general network topics. We have already examined CCNA certifications in the following tutorial. What is CCNA or Cisco Certified Network Associate? Cisco certification exams mostly depend on practical experience. So a person who wants to get certified needs practical experience. … Read more
There are a lot of security certifications in the IT sector. But only some of them are very prestigious and popular. Perhaps the most known and most respected security certificate is Certified Information System Security Professional (CISSP) certification. In this post we will get generally information about certification steps, topics, price etc. Information Systems Security … Read more
Ping is one of the most used tool for network diagnostics. When internet is not working, can not access file shares etc we will firstly ping command. Ping is one of the most known tool in the IT area. Ping actually uses ICMP packets to get information about network status. In this tutorial we will … Read more
Linux processes communicates with the socket between each other. There are tools to list, resolve, provide information about sockets. Ss is one of them. Netstat command can list and resolve the sockets too but it is slow because there is a lot of sockets. Ss gets information about socket from directly Linux kernel. List All … Read more
The network is an important part of the system administration. Because without a network the server has nothing to do. While administrating Linux servers troubleshooting network is very important. When a network problem occurs in a Linux server first step is checking network services and the route information. Network services can be checked with systemctl … Read more
Linux provides a lot of tools for network management and visibility. netstat is another popular and useful tool used by a lot of systems and network administrators. In this tutorial, we will look at usage examples of netstat. Syntax We will use the following syntax for the netstat command. netstat [address_family_options] [options] List All Connections … Read more
DHCP stands for Dynamic Host Configuration Protocol. As its name suggests DHCP is used to provide configuration like Ip Address, Network Mask, DNS, Proxy, Bootp, Default Gateway, etc. to the host. But the most know and popular usage are distributing IP addresses. There is a broad range of DHCP usage scenarios. In this tutorial, we … Read more