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$ sudo vi /etc/firewalld/zones/public.xml Public For use in public areas. You do not trust the other computers on networks to not harm your computer. Only selected incoming connections are accepted.

CentOS7 + MariaDB 10.4 1. yum installhttps://zetawiki.com/wiki/CentOS7_MariaDB_설치 CentOS7 MariaDB 설치 - 제타위키다른 뜻에 대해서는 CentOS6 MariaDB 설치 문서를 참조하십시오. 다른 뜻에 대해서는 우분투 MariaDB 설치 문서를 참조하십시오. CentOS 7.6에서 테스트하였습니다. 리눅스 MariaDB 설치 CentOS MariaDB 설치 2 rezetawiki.comorhttps://mariadb.com/kb/en/yum/ 2. source install- MariaDB 10.4 download https://downloads.mariadb.org/mariadb/10.4.13/ > mariadb-10.4.13..

1. gnome-disk-utility package install $ sudo apt install gnome-disk-utility 2. gnome-disks application run $ gnome-disks 3. bad block check $ sudo badblocks -sv /dev/sda > bad-blocks-result 4. fix disk $ sudo fsck -t ext4 -l bad-blocks-result /dev/sda1 https://askubuntu.com/questions/59064/how-to-run-a-checkdisk

$ sudo vmware-modconfig --console --install-all https://kb.vmware.com/s/article/1002411

$ /usr/bin/vmplayer VM Workstation Player UI -> Open a Virtual Machine or $ /usr/bin/vmplayer /path/to/VM's .vmx file ex) $ /usr/bin/vmplayer /home/user/vm/Windows7.vmx https://communities.vmware.com/thread/578176

Ubuntu VMware Workstation Player Open a Virtual Machine Error 1. Open File program.2. Move VM directory.2. Double click on the VM's .vmx file.https://communities.vmware.com/thread/577461 or $ /usr/bin/vmplayer /path/to/VM's .vmx fileex) $ /usr/bin/vmplayer /home/user/vm/Windows7.vmx https://communities.vmware.com/thread/578176 Broadcom Community - VMTN, Mainframe, Symantec, Carbon Black communit..

1. YUM 환경설정 파일 수정$ sudo vi /etc/yum.conf[main]installonly_limit=5 => 이 숫자(5)를 제한할 숫자로 변경 후 저장(아래 2개 제한으로 변경)installonly_limit=2 2. 이전 커널 패키지 삭제 명령어 실행$ sudo yum install yum-utils$ sudo package-cleanup --oldkernels --count=2=> 이전 2개 커널 패키지만 남겨두고 나머지 삭제 (여기서는 이전 2개의 커널 패키지를 남겨두고 삭제하나 숫자 2를 남겨둘 커널 패키지 수로 변경하여 실행하면 됨)

HDD Low Level Format 1. Visit the site below. www.hddguru.com/software/HDD-LLF-Low-Level-Format-Tool/ HDDGURU: HDD LLF Low Level Format Tool HDD LLF Low Level Format Tool Low Level Format Tool — Click to enlarge Developer: HDDGURU.COM License terms: Free for personal/home use (speed is capped at 180 GB per hour which is 50 MB/s) Just $3.30 for personal/home use (no speed limit): Order Personal w..

1. Download VMware Workstation Player 15.5 https://www.vmware.com/go/getplayer-linux 2.Move download directory $ cd /movedownloaddirectory 3. Grant user execute permission $ chmod u+x VMware-Player-15.5.2-15785246.x86_64.bundle 4. Install build-essential $ sudo apt install build-essential 5. Install VMware workstation player (root access) $ sudo ./VMware-Player-15.5.2-15785246.x86_64.bundle 불러오는..

If your system is 64 bit, enable 32 bit architecture (if you haven't already):$ sudo dpkg --add-architecture i386