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. MariaDB.repo setting$ sudo vi /etc/yum.repos.d/MariaDB.repo----------------------------------------------------------------[mariadb]name = MariaDBbaseurl = https://yum.mariadb.org/10.4/centos7-amd64 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDBgpgcheck=1---------------------------------------------------------------- 2. MariaDB Install$ sudo yum install MariaDB-server MariaDB-client 3. M..

Menu selectFile > Settings PopupKeymap > Editor Actions > Down (, Left, Right, Up) select - mouse left double click or right click > Add Keyboard Shortcut click> (number keypad) Down(, Left, Right, Up) Select > OK > Apply, OK 참조 : intellij-support.jetbrains.com/hc/en-us/community/posts/206345169-Scrolling-with-keys-on-numeric-keypad-with-num-lock-off

1. Install$ sudo apt install rpi-imager 2. Uninstall$ sudo apt remove rpi-imager

1. VGA driver found1.1 lspciuser@localhost:~$ lspci | grep VGA00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06) 1.2 inxi (sudo apt install inxi)user@localhost:~$ inxi -GGraphics: Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics driver: i915 v: kernel Display: x11 server: X.Org 1.20.1..

1. Download VMware Workstation Player 16.x https://www.vmware.com/go/getplayer-linux (Download link) Download file name : VMware-Player-16.0.0-16894299.x86_64.bundle VMware Workstation Player 16.x download page > Try Workstation 15.5 Player for Linux > Download Now >> https://www.vmware.com/products/workstation-player/workstation-player-evaluation.html (EN) > LinuxLinux용 Works..

JDK 7 Install Oracle JDK 7 install$ sudo apt install oracle-java7-jdk Open JDK 7 install$ sudo apt install openjdk-7-jdk JDK 8 Install$ sudo apt install oracle-java8-jdk $ sudo apt install openjdk-8-jdk

1. network device listUbuntu@ubuntu$ ls /sys/class/neteth0 lo wlan0 2. network setting file editUbuntu@ubuntu$ sudo vi /etc/netplan/50-cloud-init.yaml before=======================================================================================network: ethernets: dhcp4: true optional: true=====================================================================================..

Ubuntu login : ubuntuPassword : ubuntu first login password change

[ Installation ]$ sudo apt install ibus ibus-hangul [ Uninstallation ]$ sudo apt remove ibus ibus-hangul

Ubuntu Software Search 1. Clementine 2. Audacious 3. Amarok (not 20.04) 4. DeaDBeef 참조 : www.tecmint.com/best-music-players-for-ubuntu-linux-mint/