Learning Objective: In this module, you will study the different OSI layers, associated protocols of networking in Linux. Topics covered: * OSI layers and Protocols for IPv4, IPv6, TCP, UDP, FTP, TFTP, Telnet, SSH, HTTP, DNS,DHCP, ARP, ICMP, etc. * Packet capturing tools * Linux commands and tools to troubleshoot networking: netstat, tcpdump, ip, etc. * Linux utilities: e.g. dnsmasqd, samba server ftpd, webserver, netcat, scp, etc. * Linux Firewall: command, utility, and usage. * Security: SSH, SCP. Certificates, authentication, encryption, etc. * Remote login: SSH, screen, VNC, etc
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