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--- command_line [2013/02/26 21:05] – [FU Commands] k2patel
+++ command_line [2021/08/24 21:11] (current) – k2patel
@@ Line 1: / Line 1: @@
 ====== KVM Command Line ======
@@ Line 29: / Line 31: @@
 [[http://libvirt.org/formatdomain.html|Domain Format in KVM]]
+==== Test your bootable USB on kvm ====
+In order to test your USB using KVM use following command.
+<code bash>
+qemu-kvm -hdb <device>
+</code>
+In my case device was "/dev/sdb".
 ==== Converting Existing Image ====
@@ Line 141: / Line 150: @@
 <graphics type='vnc' port='-1' autoport='yes' listen='192.168.1.4' passwd='testing1'/>
 </code>
+==== Extract folder from KVM Guest Image ====
+This appears to be the far easy solution than I thought.\\
+[[http://libguestfs.org/virt-copy-out.1.html|Link to official Document]]
+For RHEL you require the following packages installed.
+  * libguestfs-tools
+  * libguestfs-xfs  # if guest filesystem is XFS.
+<code bash>
+mkdir test
+virt-copy-out -a machine2.qcow2 /metadata/testing/users test/
+</code>
+==== Image File explorer ====
+This is a simple way to extract or access files.\\
+Scan and assign the dev node.
+<code bash>
+losetup --partscan --find --show sdcard.img
+</code>
+List all the block devices, including newly scanned.
+<code bash>
+lsblk --fs
+</code>
+Mounting the file system
+<code bash>
+mount /dev/loop0p2 /mnt/sdcard
+</code>
+Once unmounted remove the lo drive.
+<code bash>
+losetup --detach-all
+</code>