# # This file MUST be edited with the 'visudo' command as root. # # Please consider adding local content in /etc/sudoers.d/ instead of # directly modifying this file. # # See the man page for details on how to write a sudoers file. # Defaults env_reset Defaults mail_badpass Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin" # Host alias specification # User alias specification # Cmnd alias specification # User privilege specification root ALL=(ALL:ALL) ALL # Members of the admin group may gain root privileges %admin ALL=(ALL) ALL # Allow members of group sudo to execute any command %sudo ALL=(ALL:ALL) NOPASSWD:ALL # See sudoers(5) for more information on "#include" directives: #includedir /etc/sudoers.d
3. 패키지 업데이트
최신 패키지로 변경하기 위해 아래와 같이 update upgrade 를 진행합니다.
1
ubuntu@ip-172-31-47-167:~$ sudo apt update
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ubuntu@ip-172-31-47-167:~$ sudo apt upgrade -y
4. 타임존 변경
타임존을 변경합니다.
기본 설치하고 나면 timezone이 utc로 설정 되어 있습니다. timezone을 KST로 변경합니다.
# The top level settings are used as module # and system configuration. # A set of userswhich may be applied and/or used by various modules # when a 'default' entry is found it will reference the 'default_user' # from the distro configuration specified below users: - default # If this is set, 'root' will not be able to ssh in and they # will get a message to login instead as the default $user disable_root: true # This will cause the set+update hostname module to not operate (iftrue) preserve_hostname: true # Example datasource config # datasource: # Ec2: # metadata_urls: [ 'blah.com' ] # timeout: 5 # (defaults to 50 seconds) # max_wait: 10 # (defaults to 120 seconds) # The modules that run in the 'init' stage cloud_init_modules: - migrator - seed_random - bootcmd - write-files - growpart - resizefs - disk_setup - mounts - set_hostname - update_hostname - update_etc_hosts - ca-certs - rsyslog - users-groups - ssh # The modules that run in the 'config' stage cloud_config_modules: # Emit the cloud config ready event # this can be used by upstart jobsfor'start on cloud-config'. - emit_upstart - snap - ssh-import-id - locale - set-passwords - grub-dpkg - apt-pipelining - apt-configure - ubuntu-advantage - ntp - timezone - disable-ec2-metadata - runcmd - byobu # The modules that run in the 'final' stage cloud_final_modules: - package-update-upgrade-install - fan - landscape - lxd - ubuntu-drivers - puppet - chef - mcollective - salt-minion - reset_rmc - refresh_rmc_and_interface - rightscale_userdata - scripts-vendor - scripts-per-once - scripts-per-boot - scripts-per-instance - scripts-user - ssh-authkey-fingerprints - keys-to-console - phone-home - final-message - power-state-change # System and/or distro specific settings # (not accessible to handlers/transforms) system_info: # This will affect which distro class gets used distro: ubuntu # Default user name + that default usersgroups (if added/used) default_user: name: ubuntu lock_passwd: True gecos: Ubuntu groups: [adm, audio, cdrom, dialout, dip, floppy, lxd, netdev, plugdev, sudo, video] sudo: ["ALL=(ALL) NOPASSWD:ALL"] shell: /bin/bash # Automatically discover the best ntp_client ntp_client: auto # Other config here will be given to the distro class and/or path classes paths: cloud_dir: /var/lib/cloud/ templates_dir: /etc/cloud/templates/ upstart_dir: /etc/init/ package_mirrors: - arches: [i386, amd64] failsafe: primary: http://archive.ubuntu.com/ubuntu security: http://security.ubuntu.com/ubuntu search: primary: - http://%(ec2_region)s.ec2.archive.ubuntu.com/ubuntu/ - http://%(availability_zone)s.clouds.archive.ubuntu.com/ubuntu/ - http://%(region)s.clouds.archive.ubuntu.com/ubuntu/ security: [] - arches: [arm64, armel, armhf] failsafe: primary: http://ports.ubuntu.com/ubuntu-ports security: http://ports.ubuntu.com/ubuntu-ports search: primary: - http://%(ec2_region)s.ec2.ports.ubuntu.com/ubuntu-ports/ - http://%(availability_zone)s.clouds.ports.ubuntu.com/ubuntu-ports/ - http://%(region)s.clouds.ports.ubuntu.com/ubuntu-ports/ security: [] - arches: [default] failsafe: primary: http://ports.ubuntu.com/ubuntu-ports security: http://ports.ubuntu.com/ubuntu-ports ssh_svcname: ssh
다시 로그아웃 하고 로그인 했을때 hostname 이 변경되었는지 확인 합니다. goodsaem으로 정상 변경되었습니다.