A blog for all the virtualization and operating system troubleshooting

  Error: After Morpheus installation, the UI hangs, saying loading. Solution: edit /etc/morpheus/morpheus.rb file and mark below parameter as "false" ui['morpheus_hub_enabled'] = false   Then run the below command to reconfigure: morpheus-ctl stop morpheus-ui morpheus-ctl reconfigure morpheus-ctl start morpheus-ui

 Solution to set hostname permanent in Ubuntu server: Run the below command: #hostnamectl set-hostname <new hostname> To verify, check the file "cat /etc/hostname"

To find ESXi network details that includes IP, netmask and gateway details: ssh to esxi host using credentials. run the below command:               # esxcli network ip interface ipv4 get

 Error: Try to create VM using virsh-install and get error on ubuntu KVM: ImportError: /usr/lib/vmware/libxml2.so.2: version `LIBXML2_2.9.11' not found (required by /usr/lib/python3/dist-packages/libxml2mod.cpython-310-x86_64-linux-gnu.so) Solution: 1.Install       apt-get install libxml2 libxml2-dev 2.export LD path:     export LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu:$LD_LIBRARY_PATH

To Delete all the Archive logs from oracle database: $ORACLE_HOME/bin/rman <<EOF connect target / crosscheck archivelog all; delete noprompt expired archivelog all; exit EOF To delete the archive logs for specific days: RMAN>delete archivelog all completed before 'SYSDATE-1';  # keeps archive from last day

 Error: ORA-00245: control file backup failed; in Oracle RAC, target might not be on shared storage Solution: Enable shared control file: 1.    Configure the snapshot controlfile to a shared disk like (ACFS/NFS/DNFS): RMAN> CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/SHARED_Folder/snapcf_KRISHNA.f'; 2.    In case of ASM use RMAN> CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+ASM_DATA/snapcf_CNTRL.f';

 Error: PostgreSQL: FATAL: XX000: could not write init file when accessing VEEAM console Solution: Check the free space on the windows machine where VEEAM installed Increase space on the drive