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diff --git a/tools/qemu.html b/tools/qemu.html index e1ea277..ef1c36d 100644 --- a/tools/qemu.html +++ b/tools/qemu.html @@ -2,15 +2,22 @@ <html dir="ltr" lang="en"> <head> <meta charset='utf-8'> - <title>1. Qemu</title> + <title>Qemu</title> </head> <body> <a href="index.html">Tools Index</a> - <h1>1. Qemu</h1> + <h1>Qemu</h1> - <p>Disk images;</p> + <h2 id="kern">Kernel configuration</h2> + + <pre> + # usermod -a -G kvm c9admin + # usermod -a -G kvm username + </pre> + + <h2 id="disk">Disk images</h2> <dl> <dt>img</dt> @@ -22,6 +29,46 @@ </dl> + + <p>Create hard disk image, there is different types, + this describes how to create a qcow2 type;</p> + + <pre> + $ qemu-img create -f qcow2 crux-img.qcow2 20G + </pre> + + <p>You can mount disk image;</p> + + <pre> + $ sudo modprobe nbd + $ sudo qemu-nbd -c /dev/nbd0 /crux-img.qcow2 + </pre> + + <p>To disconnect image disk (ndb);</a> + + <pre> + $ sudo qemu-nbd -d /dev/nbd0 + </pre> + + <p>You can use image as a normal disk, example how + to use parted to create a gpt system table;</p> + + <pre> + # parted /dev/nbd0 + (parted) mklabel gpt + </pre> + + <p>More information about + <a href="http://devil-detail.blogspot.pt/2013/07/install-grub2-on-gpt-disk-dedicated-partition.html">gpt partition table</a>. + </p> + + <p>If partitions are on qcow2 image then setup partitions;</p> + + <pre> + # kpartx -a -s -l /dev/nbd0 + </pre> + + <p>Network configuration;</p> <dl> <dt>slirp</dt> @@ -32,13 +79,6 @@ <dd>... ...</dd> </dl> - <h2>Kernel configuration</h2> - - <pre> - # usermod -a -G kvm c9admin - # usermod -a -G kvm username - </pre> - <h2>Network configuration</h2> <h3>Tap interfaces</h3> @@ -97,47 +137,6 @@ <pre> # tcpdump tap0 </pre> - - <h2>Disk image files</h2> - - <p>Create hard disk image, there is different types, - this describes how to create a qcow2 type;</p> - - <pre> - $ qemu-img create -f qcow2 crux-img.qcow2 20G - </pre> - - <p>You can mount disk image;</p> - - <pre> - $ sudo modprobe nbd - $ sudo qemu-nbd -c /dev/nbd0 /crux-img.qcow2 - </pre> - - <p>To disconnect image disk (ndb);</a> - - <pre> - $ sudo qemu-nbd -d /dev/nbd0 - </pre> - - <p>You can use image as a normal disk, example how - to use parted to create a gpt system table;</p> - - <pre> - # parted /dev/nbd0 - (parted) mklabel gpt - </pre> - - <p>More information about - <a href="http://devil-detail.blogspot.pt/2013/07/install-grub2-on-gpt-disk-dedicated-partition.html">gpt partition table</a>. - </p> - - <p>If partitions are on qcow2 image then setup partitions;</p> - - <pre> - # kpartx -a -s -l /dev/nbd0 - </pre> - <a href="index.html">Tools Index</a> <p>This is part of the c9 Manual. Copyright (C) 2016 |