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$ sudo mariadb -u root 로 비번없이 root 로그인 가능 $ sudo mysql_secure_installation 명령으로 root 비번 변경 후 사용 ---------------------------------------------------------------------------------------------------------------------- user@localhost:~$ sudo mysql_secure_installation [sudo] user의 암호: NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB SERVERS IN PRODUCTION USE! PLEASE READ EACH STE..

$ sudo apt-get install software-properties-common dirmngr apt-transport-https $ sudo apt-key adv --fetch-keys 'https://mariadb.org/mariadb_release_signing_key.asc' $ sudo add-apt-repository 'deb [arch=amd64,arm64,ppc64el] https://mirror.yongbok.net/mariadb/repo/10.5/ubuntu focal main' $ sudo apt update $ sudo apt install mariadb-server

1. /etc/yum.repos.d/MariaDB.repo file create ----------------------------------------------------------------------------------------------------- # MariaDB 10.5 CentOS repository list - created 2021-04-15 02:51 UTC # https://mariadb.org/download/ [mariadb] name = MariaDB baseurl = https://mirror.yongbok.net/mariadb/yum/10.5/centos7-amd64 gpgkey=https://mirror.yongbok.net/mariadb/yum/RPM-GPG-KEY..

matplotlib 실행 시 한글 깨짐 오류 메시지 --------------------------------------------------------------------------------------------------------------------------------- findfont: Font family ['san-serif'] not found. Falling back to DejaVu Sans. /home/user/.local/lib/python3.8/site-packages/matplotlib/backends/backend_agg.py:240: RuntimeWarning: Glyph 51064 missing from current font. font.set_text(s, 0.0, ..

conda update conda anaconda conda python or conda update --all

1. lm-sensors 1.1 설치 $ sudo apt install lm-sensors 1.2 센서 검색 $ sudo sensors-detect 1.3 실행 $ sensors 1.4 삭제 $ sudo apt remove lm-sensors 2. xsensors 2.1 설치 $ sudo apt install xsensors 2.2 실행 $ xsensors 2.3 삭제 $ sudo apt remove xsensors

$ sudo yum clean all $ sudo yum clean metadata $ sudo rm -rf /var/cache/yum $ sudo yum check-update 참조 : blueray21.tistory.com/41

1. Chrome download http://chrome.google.com or http://chrome.google.co.kr 2. File download directory move $ cd /download_directory 3. Chrome install $ sudo rpm -ivh google-chrome-stable_current_x86_64.rpm 경고: google-chrome-stable_current_x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID 7fac5991: NOKEY 오류: Failed dependencies: liberation-fonts is needed by google-chrome-stable-87.0.4280.66-1.x86_..

1. Config server.cnf add $ sudo vi /etc/my.cnf.d/server.cnf ---------------------------------------------------- [mariadb] lower_case_table_names=1 ---------------------------------------------------- 2. MariaDB service restart $ sudo systemctl restart mariadb

. MariaDB.repo setting $ sudo vi /etc/yum.repos.d/MariaDB.repo ---------------------------------------------------------------- [mariadb] name = MariaDB baseurl = https://yum.mariadb.org/10.4/centos7-amd64 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB gpgcheck=1 ---------------------------------------------------------------- 2. MariaDB Install $ sudo yum install MariaDB-server MariaDB-clie..