
Network 환경, hostname, host, port, MAC, DNS

systemd가 관리하는 network DNS, systemd-resolve

Linux Network Interfaces, network tools

NetworkManager (nmcli), net-tools (netstat), iproute2 (ip route), dig, whois, nmap, ping
netplan

rpc, ufw 방화벽 제어

tcpdump 패킷 캡쳐 점검, traceroute

Apache2, lighttpd, MariaDB

sshfs, nfs, samba

ssh

서비스 관리 방식, xinetd, tcp_wrapper, hosts.allow, hosts.deny
proxy standard form

dhcp

dnsmasq

django

http, 상태코드

html

nginx 웹서버

web trouble shooting shell, watch

css

javascript