1 files changed, 89 insertions, 9 deletions
diff --git a/tools/qemu.html b/tools/qemu.html
index 1c58e49..fc0f15c 100644
--- a/tools/qemu.html
+++ b/tools/qemu.html
@@ -43,22 +43,17 @@
         this describes how to create a qcow2 type;</p>
 
         <pre>
-        $ qemu-img create -f qcow2 crux-img.qcow2 15G
+        $ qemu-img create -f qcow2 crux-img.qcow2 20G
         </pre>
 
-        <p>You can mount disk image;</p>
+        <p>Qemu disk images can be treated as regular disks using
+        qemu disk network block device server;</p>
 
         <pre>
         $ sudo modprobe nbd
         $ sudo qemu-nbd -c /dev/nbd0 /crux-img.qcow2
         </pre>
 
-        <p>To disconnect image disk (ndb);</p>
-
-        <pre>
-        $ sudo qemu-nbd -d /dev/nbd0
-        </pre>
-
         <p>Information about preparing
         <a href="../core/install.html#step2">partitions</a>
         and <a href="storage.html">storage</a> administration.
@@ -100,6 +95,13 @@
         # mount $BLK_VAR $CHROOT/var
         </pre>
 
+        <p>Before disconnecting image, clean dev mappings;</p>
+
+        <pre>
+        $ sudo kpartx -d /dev/nbd0
+        $ sudo qemu-nbd -d /dev/nbd0
+        </pre>
+
         <h2 id="net">2. Network</h2>
 
         <p>Network configuration;</p>
@@ -232,11 +234,89 @@
         <p>Set guests machines to run under the total resolution provided
         by  host system configure grub on the guest with gfxmode;</p>
 
+        <h3 id="guest">Guest Graphics</h2>
+
+        <p>Get current resolution on host machine;</p>
+
+        <pre>
+        $ xrandr --current | fgrep '*'
+            1366x768      60.00*+
+        </pre>
+
+        <p>Set grub gfxmod on guest machine, edit /etc/default/grub;</p>
+
         <pre>
-        GRUB_GFXMODE=640x480
+        GRUB_GFXMODE=1366x768
         GRUB_GFXPAYLOAD_LINUX=keep
         </pre>
 
+        <p>Update grub configuration on guest machine;</p>
+
+        <pre>
+        # update-grub
+        </pre>
+
+        <h3 id="sound">Guest Sound</h3>
+
+        <p>Check if DMAR is enable on kernel configuration,
+        Intel and AMD uses different technology. To check on
+        Inter machine run;</p>
+
+        <pre>
+	# grep -e DMAR -e IOMMU
+	</pre>
+
+        <p>runvm/profile/crux</p>
+
+        <pre>
+        export QEMU_AUDIO_DRV=alsa
+        #export QEMU_AUDIO_DRV=sdl
+
+
+        #boot=$1
+        boot=c
+
+        iso=iso/crux-3.2.iso
+        #iso=$2
+
+        #image=$3
+        image=img/crux-img.qcow2
+
+        #tap=$4
+        tap="tap1"
+
+        #mac=$(rmac_addr)
+        mac="54:60:be:ef:5c:72"
+
+        other="-soundhw hda"
+        </pre>
+
+        <p>runvm/runvm.sh</p>
+
+        <pre>
+        function rmac_addr (){
+        printf '54:60:BE:EF:%02X:%02X\n' $((RANDOM%256)) $((RANDOM%256))
+        }
+
+        source profile/$1
+        boot=$2
+
+        #mac=$(rmac_addr)
+
+        qemu-system-x86_64 \
+            -enable-kvm \
+            -m 1024 \
+            -boot ${boot} \
+            -cdrom ${iso} \
+            -hda ${image} \
+            -vga std \
+            -display sdl \
+            -device e1000,netdev=t0,mac=${mac} \
+            -netdev tap,id=t0,ifname=${tap},script=no,downscript=no \
+            ${other} \
+            &>
+        </pre>
+
         <a href="index.html">Tools Index</a>
         <p>This is part of the c9 Manual.
         Copyright (C) 2016