aagontuk · November 12, 2024 13:42 · Jan 6, 2023 · Jan 6, 2023 · Jan 6, 2023 · Jan 5, 2023
diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -117,4 +117,4 @@ make install
 4. https://wiki.archlinux.org/index.php/QEMU
 5. https://wiki.gentoo.org/wiki/QEMU/Options
 6. https://www.tauceti.blog/posts/qemu-kvm-share-host-directory-with-vm-with-virtio/
-7. [Disk Images](https://qemu-project.gitlab.io/qemu/system/images.html)
+7. [QEMU Disk Images](https://qemu-project.gitlab.io/qemu/system/images.html)
diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -117,4 +117,4 @@ make install
 4. https://wiki.archlinux.org/index.php/QEMU
 5. https://wiki.gentoo.org/wiki/QEMU/Options
 6. https://www.tauceti.blog/posts/qemu-kvm-share-host-directory-with-vm-with-virtio/
-7. https://qemu-project.gitlab.io/qemu/system/images.html
+7. [Disk Images](https://qemu-project.gitlab.io/qemu/system/images.html)
diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -110,10 +110,11 @@ make install
 * [Automating the Creation of QEMU Archlinux Images from Scratch](https://blog.stefan-koch.name/2020/05/31/automation-archlinux-qemu-installation)
 * [Automating Debian install in QEMU](https://sigmaris.info/blog/2019/04/automating-debian-install-qemu/)
 
-## References ##
+## General References ##
 1. https://wiki.debian.org/KVM
 2. https://wiki.debian.org/QEMU
 3. https://wiki.archlinux.org/index.php/KVM
 4. https://wiki.archlinux.org/index.php/QEMU
 5. https://wiki.gentoo.org/wiki/QEMU/Options
-6. https://www.tauceti.blog/posts/qemu-kvm-share-host-directory-with-vm-with-virtio/
+6. https://www.tauceti.blog/posts/qemu-kvm-share-host-directory-with-vm-with-virtio/
+7. https://qemu-project.gitlab.io/qemu/system/images.html
diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -90,6 +90,7 @@ qemu-system-aarch64 -m 8G -cpu cortex-a57 -M virt,gic-version=max -smp 16 -nogra
 make olddefconfig
 make localmodconfig
 make -j$(nproc)
+make -j$(nproc) bzImage # If you want to create kernel bzImage
 make modules
 make modules_install
 make install

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -97,6 +97,7 @@ make install
 
 ## Running the compiled kernel and Debugging ##
 
+* [Direct Linux Boot](https://qemu-project.gitlab.io/qemu/system/linuxboot.html)
 * [Prepare the environment for developing Linux kernel with qemu.](https://medium.com/@daeseok.youn/prepare-the-environment-for-developing-linux-kernel-with-qemu-c55e37ba8ade)
 * [Booting a Custom Linux Kernel in QEMU and Debugging It With GDB](http://nickdesaulniers.github.io/blog/2018/10/24/booting-a-custom-linux-kernel-in-qemu-and-debugging-it-with-gdb/)
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -95,9 +95,10 @@ make modules_install
 make install
 ```
 
-## Running the compiled kernel directly ##
+## Running the compiled kernel and Debugging ##
 
 * [Prepare the environment for developing Linux kernel with qemu.](https://medium.com/@daeseok.youn/prepare-the-environment-for-developing-linux-kernel-with-qemu-c55e37ba8ade)
+* [Booting a Custom Linux Kernel in QEMU and Debugging It With GDB](http://nickdesaulniers.github.io/blog/2018/10/24/booting-a-custom-linux-kernel-in-qemu-and-debugging-it-with-gdb/)
 
 ## Automating QEMU ###
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -95,6 +95,10 @@ make modules_install
 make install
 ```
 
+## Running the compiled kernel directly ##
+
+* [Prepare the environment for developing Linux kernel with qemu.](https://medium.com/@daeseok.youn/prepare-the-environment-for-developing-linux-kernel-with-qemu-c55e37ba8ade)
+
 ## Automating QEMU ###
 
 * [qemu guest automation](https://stackoverflow.com/questions/3146013/qemu-guest-automation)

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -99,7 +99,9 @@ make install
 
 * [qemu guest automation](https://stackoverflow.com/questions/3146013/qemu-guest-automation)
 * [Is it possible to script qemu?](https://stackoverflow.com/questions/5271647/is-it-possible-to-script-qemu)
-
+* [How to Setup QEMU Output to Console and Automate Using Shell Script](https://fadeevab.com/how-to-setup-qemu-output-to-console-and-automate-using-shell-script/#binariesusedinexamples)
+* [Automating the Creation of QEMU Archlinux Images from Scratch](https://blog.stefan-koch.name/2020/05/31/automation-archlinux-qemu-installation)
+* [Automating Debian install in QEMU](https://sigmaris.info/blog/2019/04/automating-debian-install-qemu/)
 
 ## References ##
 1. https://wiki.debian.org/KVM

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -95,6 +95,12 @@ make modules_install
 make install
 ```
 
+## Automating QEMU ###
+
+* [qemu guest automation](https://stackoverflow.com/questions/3146013/qemu-guest-automation)
+* [Is it possible to script qemu?](https://stackoverflow.com/questions/5271647/is-it-possible-to-script-qemu)
+
+
 ## References ##
 1. https://wiki.debian.org/KVM
 2. https://wiki.debian.org/QEMU

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -85,6 +85,16 @@ qemu-system-aarch64 -m 8G -cpu cortex-a57 -M virt,gic-version=max -smp 16 -nogra
 * https://tldp.org/HOWTO/pdf/Modules.pdf
 * [How to debug kernel using QEMU and aarch64 VM](https://futurewei-cloud.github.io/ARM-Datacenter/qemu/aarch64-debug-kernel/)
 
+**Quick Configure, build and install**
+```
+make olddefconfig
+make localmodconfig
+make -j$(nproc)
+make modules
+make modules_install
+make install
+```
+
 ## References ##
 1. https://wiki.debian.org/KVM
 2. https://wiki.debian.org/QEMU

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -74,6 +74,7 @@ qemu-system-aarch64 -m 8G -cpu cortex-a57 -M virt,gic-version=max -smp 16 -nogra
 * Increase Resolution: `-vga virtio`
 * Better Graphics Support: https://www.linux-kvm.org/page/SPICE
 * [How to mount a qcow2 disk image](https://gist.github.com/shamil/62935d9b456a6f9877b5)
+* [Changing the password Qemu kvm qcow2 ](https://access.redhat.com/discussions/664843): Uses tool `guestfish` but simply mounting the image and editing /etc/shadow directly with a text editor will work too.
 
 ## Compiling the kernel ##
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -73,6 +73,7 @@ qemu-system-aarch64 -m 8G -cpu cortex-a57 -M virt,gic-version=max -smp 16 -nogra
 * Audio: -soundhw ac97
 * Increase Resolution: `-vga virtio`
 * Better Graphics Support: https://www.linux-kvm.org/page/SPICE
+* [How to mount a qcow2 disk image](https://gist.github.com/shamil/62935d9b456a6f9877b5)
 
 ## Compiling the kernel ##
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -51,15 +51,15 @@ Once the installation is done you can start the VM normally.
 * Create UEFI image for qemu:
 
 ```
-sudo apt-get install qemu-uefi
+sudo apt-get install qemu-efi
 cp /usr/share/qemu-efi-aarch64/QEMU_EFI.fd flash0.img
 truncate -s 64M flash0.img
 truncate -s 64M flash1.img
 ```
 * Run Ubuntu cloud image with QEMU:
 
 ```
-qemu-system-aarch64 -m 2048 -cpu cortex-a57 -M virt -smp 8 -nographic -drive if=pflash,format=raw,file=flash0.img,readonly -drive if=pflash,format=raw,file=flash1.img -drive if=none,file=focal-server-cloudimg-arm64.img,id=hd0 -device virtio-blk-device,drive=hd0
+qemu-system-aarch64 -m 8G -cpu cortex-a57 -M virt,gic-version=max -smp 16 -nographic -drive if=pflash,format=raw,file=flash0.img,readonly -drive if=pflash,format=raw,file=flash1.img -drive if=none,file=focal-server-cloudimg-arm64.img,id=hd0 -device virtio-blk-device,drive=hd0
 ```
 
 * [Installing Debian on QEMU’s 64-bit ARM “virt” board](https://web.archive.org/web/20220704230751/https://translatedcode.wordpress.com/2017/07/24/installing-debian-on-qemus-64-bit-arm-virt-board/)

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -81,6 +81,7 @@ qemu-system-aarch64 -m 2048 -cpu cortex-a57 -M virt -smp 8 -nographic -drive if=
 * https://wiki.archlinux.org/title/Kernel/Traditional_compilation
 * https://unix.stackexchange.com/questions/253245/what-does-make-localmodconfig-do
 * https://tldp.org/HOWTO/pdf/Modules.pdf
+* [How to debug kernel using QEMU and aarch64 VM](https://futurewei-cloud.github.io/ARM-Datacenter/qemu/aarch64-debug-kernel/)
 
 ## References ##
 1. https://wiki.debian.org/KVM

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -66,6 +66,7 @@ qemu-system-aarch64 -m 2048 -cpu cortex-a57 -M virt -smp 8 -nographic -drive if=
 * [Build an aarch64 UEFI image for QEMU](http://www.xryan.net/p/212)
 * [Ubuntu ARM on Qemu](https://wiki.ubuntu.com/ARM64/QEMU)
 * [How to install Ubuntu Server for Arm in a QEMU aarch64 virtual machine](https://lanyaplab.com/index.php/2020/06/08/how-to-install-ubuntu-server-for-arm-in-a-qemu-aarch64-virtual-machine/)
+* [QEMU ARM limit of 123 cores ](https://futurewei-cloud.github.io/ARM-Datacenter/qemu/qemu-arm-about-the-123-core-limit/): Use GIC to scale more than 8 processors
 
 ## Miscellaneous ##
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -67,7 +67,7 @@ qemu-system-aarch64 -m 2048 -cpu cortex-a57 -M virt -smp 8 -nographic -drive if=
 * [Ubuntu ARM on Qemu](https://wiki.ubuntu.com/ARM64/QEMU)
 * [How to install Ubuntu Server for Arm in a QEMU aarch64 virtual machine](https://lanyaplab.com/index.php/2020/06/08/how-to-install-ubuntu-server-for-arm-in-a-qemu-aarch64-virtual-machine/)
 
-## miscellaneous ##
+## Miscellaneous ##
 
 * Audio: -soundhw ac97
 * Increase Resolution: `-vga virtio`

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -45,6 +45,23 @@ Once the installation is done you can start the VM normally.
 
 ## ARM ##
 
+#### Running Ubuntu on Qemu ###
+
+* Download Ubuntu ARM cloud image: http://cloud-images.ubuntu.com/
+* Create UEFI image for qemu:
+
+```
+sudo apt-get install qemu-uefi
+cp /usr/share/qemu-efi-aarch64/QEMU_EFI.fd flash0.img
+truncate -s 64M flash0.img
+truncate -s 64M flash1.img
+```
+* Run Ubuntu cloud image with QEMU:
+
+```
+qemu-system-aarch64 -m 2048 -cpu cortex-a57 -M virt -smp 8 -nographic -drive if=pflash,format=raw,file=flash0.img,readonly -drive if=pflash,format=raw,file=flash1.img -drive if=none,file=focal-server-cloudimg-arm64.img,id=hd0 -device virtio-blk-device,drive=hd0
+```
+
 * [Installing Debian on QEMU’s 64-bit ARM “virt” board](https://web.archive.org/web/20220704230751/https://translatedcode.wordpress.com/2017/07/24/installing-debian-on-qemus-64-bit-arm-virt-board/)
 * [Build an aarch64 UEFI image for QEMU](http://www.xryan.net/p/212)
 * [Ubuntu ARM on Qemu](https://wiki.ubuntu.com/ARM64/QEMU)

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -48,6 +48,7 @@ Once the installation is done you can start the VM normally.
 * [Installing Debian on QEMU’s 64-bit ARM “virt” board](https://web.archive.org/web/20220704230751/https://translatedcode.wordpress.com/2017/07/24/installing-debian-on-qemus-64-bit-arm-virt-board/)
 * [Build an aarch64 UEFI image for QEMU](http://www.xryan.net/p/212)
 * [Ubuntu ARM on Qemu](https://wiki.ubuntu.com/ARM64/QEMU)
+* [How to install Ubuntu Server for Arm in a QEMU aarch64 virtual machine](https://lanyaplab.com/index.php/2020/06/08/how-to-install-ubuntu-server-for-arm-in-a-qemu-aarch64-virtual-machine/)
 
 ## miscellaneous ##
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -47,6 +47,7 @@ Once the installation is done you can start the VM normally.
 
 * [Installing Debian on QEMU’s 64-bit ARM “virt” board](https://web.archive.org/web/20220704230751/https://translatedcode.wordpress.com/2017/07/24/installing-debian-on-qemus-64-bit-arm-virt-board/)
 * [Build an aarch64 UEFI image for QEMU](http://www.xryan.net/p/212)
+* [Ubuntu ARM on Qemu](https://wiki.ubuntu.com/ARM64/QEMU)
 
 ## miscellaneous ##
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -46,6 +46,7 @@ Once the installation is done you can start the VM normally.
 ## ARM ##
 
 * [Installing Debian on QEMU’s 64-bit ARM “virt” board](https://web.archive.org/web/20220704230751/https://translatedcode.wordpress.com/2017/07/24/installing-debian-on-qemus-64-bit-arm-virt-board/)
+* [Build an aarch64 UEFI image for QEMU](http://www.xryan.net/p/212)
 
 ## miscellaneous ##
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -43,6 +43,10 @@ Debian netinst doesn't show any output if qemu is run with -nographic option whi
 
 Once the installation is done you can start the VM normally.
 
+## ARM ##
+
+* [Installing Debian on QEMU’s 64-bit ARM “virt” board](https://web.archive.org/web/20220704230751/https://translatedcode.wordpress.com/2017/07/24/installing-debian-on-qemus-64-bit-arm-virt-board/)
+
 ## miscellaneous ##
 
 * Audio: -soundhw ac97

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -52,6 +52,7 @@ Once the installation is done you can start the VM normally.
 ## Compiling the kernel ##
 
 * https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/README?id=refs/tags/v4.3.3
+* https://www.linux.com/topic/desktop/how-compile-linux-kernel-0/
 * https://wiki.archlinux.org/title/Kernel/Traditional_compilation
 * https://unix.stackexchange.com/questions/253245/what-does-make-localmodconfig-do
 * https://tldp.org/HOWTO/pdf/Modules.pdf

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -32,12 +32,6 @@ sudo qemu-system-x86_64 -enable-kvm -m 2048 -cpu host -smp 2 -drive file=virtual
 
 * A better alternative for sharing file would be [virtiofs](https://virtio-fs.gitlab.io/index.html): Needs testing.
 
-### miscellaneous ###
-
-* Audio: -soundhw ac97
-* Increase Resolution: `-vga virtio`
-* Better Graphics Support: https://www.linux-kvm.org/page/SPICE
-
 ## CLI installation (-nographic) ##
 
 Debian netinst doesn't show any output if qemu is run with -nographic option while installing from ISO. You have to use `-kernel /path/to/kernel` with `-append "console=ttyS0"`. Other Solutions:
@@ -49,6 +43,19 @@ Debian netinst doesn't show any output if qemu is run with -nographic option whi
 
 Once the installation is done you can start the VM normally.
 
+## miscellaneous ##
+
+* Audio: -soundhw ac97
+* Increase Resolution: `-vga virtio`
+* Better Graphics Support: https://www.linux-kvm.org/page/SPICE
+
+## Compiling the kernel ##
+
+* https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/README?id=refs/tags/v4.3.3
+* https://wiki.archlinux.org/title/Kernel/Traditional_compilation
+* https://unix.stackexchange.com/questions/253245/what-does-make-localmodconfig-do
+* https://tldp.org/HOWTO/pdf/Modules.pdf
+
 ## References ##
 1. https://wiki.debian.org/KVM
 2. https://wiki.debian.org/QEMU

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -30,7 +30,7 @@ sudo qemu-system-x86_64 -enable-kvm -m 2048 -cpu host -smp 2 -drive file=virtual
     ```
     2. In guest mount the host folder: `mount -t 9p -o trans=virtio,version=9p2000.L hostshare /path/to/mount/point`
 
-* A better alternative for sharing file would be [virtiofs](https://virtio-fs.gitlab.io/index.html): Need testing.
+* A better alternative for sharing file would be [virtiofs](https://virtio-fs.gitlab.io/index.html): Needs testing.
 
 ### miscellaneous ###
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -30,6 +30,8 @@ sudo qemu-system-x86_64 -enable-kvm -m 2048 -cpu host -smp 2 -drive file=virtual
     ```
     2. In guest mount the host folder: `mount -t 9p -o trans=virtio,version=9p2000.L hostshare /path/to/mount/point`
 
+* A better alternative for sharing file would be [virtiofs](https://virtio-fs.gitlab.io/index.html): Need testing.
+
 ### miscellaneous ###
 
 * Audio: -soundhw ac97

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -12,27 +12,21 @@ distro.
 
 * Create a qcow2 image for the guest: `qemu-img create -f qcow2 virtualdebian.img 50G`
 
-* Preparing host for networking on guest.
-  1. Install necessary packages: `sudo apt install bridge-utils iptables dnsmasq`
-  2. Create `/etc/qemu-ifup` from here: https://gist.github.com/aagontuk/b6de2b428da4484c442b443ebad4974b
-  3. Make it executable: `sudo chmod +x /etc/qemu-ifup
-  4. Your getway will be 192.168.53.1 and IP range from 192.168.53.2 to 192.168.53.254.`
-
 * Boot ISO to install the guest OS: (You need to run this as root for networking to work)
 ```
-sudo qemu-system-x86_64 -enable-kvm -m RAM_IN_MB -smp NUM_CPU -drive file=virtualdebian.img -cdrom debian.iso -boot d -net tap -net nic
+sudo qemu-system-x86_64 -enable-kvm -m RAM_IN_MB -smp NUM_CPU -drive file=virtualdebian.img -cdrom debian.iso -boot d
 ```
 
 * Install guest OS.
 
 * Now run the guest OS with qemu whenever you want:
 ```
-sudo qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -drive file=virtualdebian.img -net tap -net nic
+sudo qemu-system-x86_64 -enable-kvm -m 2048 -cpu host -smp 2 -drive file=virtualdebian.img
 ```
 * If you want to share a folder from host to guest:
     1. Run the guest with this command:
     ```
-    sudo qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -drive file=virtualdebian.img,if=virtio -fsdev local,security_model=passthrough,id=fsdev0,path=/path/to/host/folder -device virtio-9p-pci,id=fs0,fsdev=fsdev0,mount_tag=hostshare -net tap -net nic
+    sudo qemu-system-x86_64 -enable-kvm -m 2048 -cpu host -smp 2 -drive file=virtualdebian.img,if=virtio -fsdev local,security_model=passthrough,id=fsdev0,path=/path/to/host/folder -device virtio-9p-pci,id=fs0,fsdev=fsdev0,mount_tag=hostshare
     ```
     2. In guest mount the host folder: `mount -t 9p -o trans=virtio,version=9p2000.L hostshare /path/to/mount/point`
 

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -58,4 +58,5 @@ Once the installation is done you can start the VM normally.
 2. https://wiki.debian.org/QEMU
 3. https://wiki.archlinux.org/index.php/KVM
 4. https://wiki.archlinux.org/index.php/QEMU
-5. https://wiki.gentoo.org/wiki/QEMU/Options
+5. https://wiki.gentoo.org/wiki/QEMU/Options
+6. https://www.tauceti.blog/posts/qemu-kvm-share-host-directory-with-vm-with-virtio/
diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -44,13 +44,15 @@ sudo qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -drive file=virtualdebian.img
 
 ## CLI installation (-nographic) ##
 
-Debian netinst doesn't show any output if qemu is run with -nographic option. You have to use `-kernel /path/to/kernel` with `-append "console=ttyS0"`. Other Solutions:
+Debian netinst doesn't show any output if qemu is run with -nographic option while installing from ISO. You have to use `-kernel /path/to/kernel` with `-append "console=ttyS0"`. Other Solutions:
 
 * https://sites.google.com/a/palatin.fr/pierre/entries/debian-netinst-qemu
 * https://superuser.com/a/1311906/460620
 * https://levelup.gitconnected.com/probably-the-simplest-way-to-install-debian-ubuntu-in-qemu-2db6afde27ef
 * https://serverfault.com/questions/976140/how-do-i-boot-the-debian-10-image-with-qemu-kvm
 
+Once the installation is done you can start the VM normally.
+
 ## References ##
 1. https://wiki.debian.org/KVM
 2. https://wiki.debian.org/QEMU

diff --git a/linux_kernel_on_kvm_guest.md b/linux_kernel_on_kvm_guest.md
@@ -49,6 +49,7 @@ Debian netinst doesn't show any output if qemu is run with -nographic option. Yo
 * https://sites.google.com/a/palatin.fr/pierre/entries/debian-netinst-qemu
 * https://superuser.com/a/1311906/460620
 * https://levelup.gitconnected.com/probably-the-simplest-way-to-install-debian-ubuntu-in-qemu-2db6afde27ef
+* https://serverfault.com/questions/976140/how-do-i-boot-the-debian-10-image-with-qemu-kvm
 
 ## References ##
 1. https://wiki.debian.org/KVM
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