[Linux] hosts 파일

브라우저가 도메인에 해당하는 IP를 찾는 순서

1. Local cache

2. hosts file

hosts 수정

# Unix
$ /etc/hosts

# Mac OSX
$ /private/etc/hosts 
$ dscacheutil /flushcache  
# (or /etc/hosts, since /etc is a symbolic link to /private/etc)

# Windows
$ /Windows/system32/drivers/etc/hosts
$ ipcinfig /renew
# (or %SystemRoot%/system32/drivers/etc/hosts)

hosts 내용

hosts 설정후 브라우저에서 test.domain.com 으로 접속하면 로컬 서버(127.0.0.1)로 접속된다.

##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting.  Do not change this entry.
##
127.0.0.1       localhost
255.255.255.255 broadcasthost
::1             localhost
127.0.0.1       test.domain.com
# [ip address]  [domain name]

3. DNS(Domain Name Server)

[참고]
https://opentutorials.org/course/228/1457
https://en.wikipedia.org/wiki/Hosts_(file)