1. cloud.cfg 수정 $ vim /etc/cloud/cloud.cfg --- # This will cause the set+update hostname module to not operate (if true) preserve_hostname: false --- 2. 호스트명 변경 $ hostnamectl set-hostname vm01 출처: https://linuxize.com/post/how-to-change-hostname-on-ubuntu-18-04/

> ssh bvm-server02 -bash: warning: setlocale: LC_CTYPE: cannot change locale (ko_KR.UTF-8) $ cat /etc/local LANG=en_US.utf-8 $ vim /etc/locale.conf LANG=ko_KR.UTF-8 현재 시스템에서 사용중인 로케일 확인 $ locale locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory LANG=en_US.UTF-8 LC_CTYPE=ko_KR.UTF-8 LC_NUMERIC="en_US.UTF..

$ hostnamectl --help hostnamectl [OPTIONS...] COMMAND ... Query or change system hostname. -h --help Show this help --version Show package version --no-ask-password Do not prompt for password -H --host=[[email protected]]HOST Operate on remote host -M --machine=CONTAINER Operate on local container --transient Only set transient hostname --static Only set static hostname --pretty Only set pretty hostname Com..

Rsyslogd + PimpMyLogs https://github.com/pbertera/dockerfiles/tree/master/syslogserver $ docker run -it -e SYSLOG_USERNAME=admin -e SYSLOG_PASSWORD=1234 -p 8080:80 -p 514:514/udp pbertera/syslogserver 로그인 화면 syslog 화면 참고URL - http://freealt.selfhow.com/kiwi-syslog-server/

Knockpy – Open Source Subdomain Scanner Tool : Python tool designed to enumerate subdomains on a target domain prerequisites $ cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) $ python --version Python 2.7.5 $ pip -V pip 19.1.1 from /usr/lib/python2.7/site-packages/pip (python 2.7) ---- dependencies $ pip install dnspython installing $ git clone https://github.com/guelfoweb/knock.git..

docker login fail $ docker login gitla.sangchul.kr:4567 Username: admin Password: Error saving credentials: error storing credentials - err: exit status 1, out: `Cannot autolaunch D-Bus without X11 $DISPLAY` config.json 파일 생성 $ vim ~/.docker/config.json { "auths": { "gitlab.sangchul.kr": { "auth": "YW50aTEzNdDY6cXVzdGtkY2pm" } }, "HttpHeaders": { "User-Agent": "Docker-Client/18.09.6 (linux)" } }