A blog for all the virtualization and operating system troubleshooting

 Issue: In my case i have 8GB of  space on my windows OS disk 0 But when i trued to extend the C driver from disk manager, the extend option is greyed out. Solution: 1.Open "Command manager" (run->cmd) 2.Type "diskpart" 3.Type "list disk" 4.Type: "select disk 0" -> if your disk is different change the # 5.Type: "List partition" 6. Note down the "Recovery partition #" having size of ~500MB 7.Type "Select partition 3" 8.Type " delete partition override" 9.Tyep "select partition 2"  ->partition # from step3, our Cdriver partition 10.Type "extend" Done

 1.Upload esxi ISO image to VM Essentials UI-Library->>Virtual Images: 2.Create a VM instance selecting the OS:ESXI      Network adpater typer: E1000      Select 300GB disk size      Select 32GB RAM 3.Once VM created .Login to KVM host:     virsh edit <VMNAME>      update network type: e1000e     example: <interface type = 'network'> <mac address = '00:24:00:0f:12:7c'/> <source network = 'Management'/> <model type = 'e1000e'/> </interface>    virsh destroy <VMNAME"   virsh start <VMNAME" 4.Use SATA disk for all the storage

 Issue: last time i faced a problem in my ubuntu to increase the / file system, even this is a part of LVM. When I tried lvextend and resizefs also the / file system not expanding. Solution: Using the growpart package 1.Install growpart:  apt install -y cloud-guest-utils 2.Run: growpart <disk name> <partition name>     example: growpart /dev/vda 3 3.Extend LV: lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv 4.Extend FS:  resize2fs /dev/ubuntu-vg/ubuntu-lv

 The problem I faced is that When I already a two NIC on my ubuntu server and i have an existing netplan like this:     bond1:       addresses:       - 192.168.0.7/16       interfaces:       - ens52       - ens53       nameservers:         addresses: []         search: []       parameters:         lacp-rate: fast         mode: 802.3ad         transmit-hash-policy: layer3+4 Later i have added a new bridge on top of this with name: #ovs-vsctl show    Bridge datantwk         Port bond1             Interface bond1         Port datantwk             Interface datantwk                 type: internal Then problem started as IPs in ...

 Use Case: I have to create a KVM cluster using GFS Datastore. #Create a Ubuntu Linux to act as storage server array: # Make sure the system have enough resources(Storage,MEM&CPU) #Install TargetCLI tool:        apt install targetcli-fb -y #Create LUN:  mkdir -p /iscsi_disks  fallocate -l 600G /iscsi_disks/disk01.img  targetcli        /backstores/fileio create disk01 /iscsi_disks/disk01.img 600G        /iscsi create iqn.2025-01.com.example:storage1       /iscsi/iqn.2025-01.com.example:storage1/tpg1/luns create /backstores/fileio/disk01       /iscsi/iqn.2025-01.com.example:storage1/tpg1/acls create iqn.2025-01.com.example:client1       /iscsi/iqn.2025-01.com.example:storage1/tpg1/acls create iqn.2025-01.com.example:client2      /iscsi/iqn.2025-01.com.example:storage1/tpg1/acls create iqn.2025-01.com.example:client3 #Allow all network to acce...

Error Error while installing hpe-vme using teh command: dpkg -i hpe-vm-essentials_8.0.8~rc1-1_amd64.deb  (Reading database ... 74587 files and directories currently installed.) Preparing to unpack hpe-vm-essentials_8.0.8~rc1-1_amd64.deb ... Unable to install Morpheus Appliance! Make sure that no ports are listening on any of the following ports: 3306, 8080, 80, 443, dpkg: error processing archive hpe-vm-essentials_8.0.8~rc1-1_amd64.deb (--install):  new hpe-vm-essentials package pre-installation script subprocess returned error exit status 1 Errors were encountered while processing:  hpe-vm-essentials_8.0.8~rc1-1_amd64.deb Solution: Check any ports using the command:  ### lsof -i :3306 -i :8080 -i :80 -i :443 if this output contains any container ,run below command:   ###3systemctl list-units |grep docker If this list anything: disable and stop those service using: systemctl disable <service> systemctl stop <service> Now check any snap servcie r...