Linux

 1. Câu lệnh: dd if=/dev/zero of=/dev/sda bs=512 count=1 conv=notrunc dd if=/dev/zero of=/dev/sda wipefs -a /dev/sda

 1. Câu lệnh: umount -l /PATH/OF/BUSY-DEVICE umount -f /PATH/OF/BUSY-NFS (NETWORK-FILE-SYSTEM)

 Login with F2 and go to the same place where you’d restart your management network…there’s a place there to reset your password,

 Before start with this article, please check our previous guide how to install and configure openfiler. How to install Oopenfiler how to make Iscsi target disks in Openfiler Now we …

💡 Xử lý lỗi khi yum trên CentOS 8 AppStream Fix lỗi Failed to download metadata for repo ‘AppStream’ [CentOS] trong quá trình sử dụng yum [root@pavietnamcom ~]# yum update CentOS-8 – AppStream …

  Open the /etc/ssh/sshd_config file with administrative privileges and change the following line: FROM: #PermitRootLogin prohibit-password TO: PermitRootLogin yes The quick way to do this job could be just to simply use …

 Details This article provides steps to recreate a lost virtual disk descriptor file (.vmdk). You may need to recreate missing header/descriptor files if: The virtual machine disk file listed in …

Assign Sudo privileges to the user in Oracle Linux Login with the root user and open the sudoers file $ vi /etc/sudoers OR $ visudo Then go to the session …

Configure SSH keys connectivity for RAC Environment Oracle Install the yum package. (Run on both nodes) yum install openssh-server Start the SSH service. (Run on both nodes) service sshd start …