Welcome to Paul Chuks Oracle dba Professional

The following steps will help you revive an un-responsive KVM on your linux work station.... fixing an unresponsive VM..... 1. Launch a terminal from the linux session... and logon using sudo 2. make sure the VM file is running.. by running #virsh list --all 3. If the VM is not listed under the running VMs, then go to /etc/libvirt/qemu and check if xml file for the affected VM is there 4. check /var/lib/libvirt/qemu/save/ for a copy of the affected vm (vm_name.save) and delete it 5. run virsh start (vm_name) This five short steps can help you save your VM...

Use this query to get the password of the user in the database: select user#, name,password from SYS.user$ where name = '<USERNAME>'; Then use this below to reset the password alter user <username> identified by values '<PASSWORD>';

when getting error while starting RAC db,  and all the raw device for storage has the right permission and +ASM is up but db refuse to start with below error: oradb@HOSTNAME01:/dev $ ls -lrt asm-disk* lrwxrwxrwx 1 root root 3 Mar  6 20:43 asm-disk3 -> sde lrwxrwxrwx 1 root root 3 Mar  6 20:43 asm-disk2 -> sdc lrwxrwxrwx 1 root root 3 Mar  6 20:43 asm-disk5 -> sdg lrwxrwxrwx 1 root root 3 Mar  6 20:43 asm-disk4 -> sdf lrwxrwxrwx 1 root root 3 Mar  6 20:48 asm-disk1 -> sdd oradb@HOSTNAME01:/dev $    INST_ID GROUP_NUMBER NAME                      State ---------- ------------ ------------------------- -----------          1            1 DG_01                     MOUNTED          1            2 FRA                       MOUNTED          1            3 OCR_VOTE                  MOUNTED    INST_ID NAME                      PATH                           State       HEADER_STATU ---------- ------------------------- ------------------------------ ----------- ------------