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README: Add steps to install prerequisites

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Signed-off-by: Muminul Islam <muislam@microsoft.com>
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Muminul Islam 2020-10-08 09:53:16 -07:00 committed by Sebastien Boeuf
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@ -64,6 +64,23 @@ $ export CLOUDH=$HOME/cloud-hypervisor
$ mkdir $CLOUDH
```
## Install prerequisites
You need to install some prerequisite packages in order to build and test Cloud Hypervisor.
Here, all the steps are based on Ubuntu, for other Linux distributions please replace the
package manager and package name.
```shell
# Install git
$ sudo apt install git
# Install rust tool chain
$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
# Install build-essential
$ sudo apt install build-essential
# If you want to build statically linked binary please add musl target
$ rustup target add x86_64-unknown-linux-musl
```
## Clone and build
First you need to clone and build the cloud-hypervisor repo:
@ -77,6 +94,8 @@ $ cargo build --release
# We need to give the cloud-hypervisor binary the NET_ADMIN capabilities for it to set TAP interfaces up on the host.
$ sudo setcap cap_net_admin+ep ./target/release/cloud-hypervisor
# If you want to build statically linked binary
$ cargo build --release --target=x86_64-unknown-linux-musl --all
$ popd
```