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--- network_stuff:juniper:host-preparation [2019/12/05 13:17] – created jotasandoku
+++ network_stuff:juniper:host-preparation [2023/11/02 14:38] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 HOST PREPARATION:\\
-[[https://www.juniper.net/documentation/en_US/vmx/topics/topic-map/vmx-installing-on-kvm.html#id-preparing-the-ubuntu-host-to-install-vmx]]
+Combine the requirements below with the ones listed in the "Preparing the CentOS Host to Install vMX" in [[https://www.juniper.net/documentation/en_US/vmx/topics/topic-map/vmx-installing-on-kvm.html#id-preparing-the-ubuntu-host-to-install-vmx]]
 \\
+Verify that INTEL VT-d is enabled (note amd-v is not working for this!)
+  cat /proc/cpuinfo | egrep -i vmx  # we Want this
+  cat /proc/cpuinfo | egrep -i svm  # we Don't want this
 Disable KSM by setting KSM_ENABLED=0 in /etc/default/qemu-kvm: \\
   systemctl disable ksm
@@ Line 7: / Line 10: @@
 \\
 HUGEPAGES (x2 1G size)\\
-[[https://oracle-base.com/articles/linux/configuring-huge-pages-for-oracle-on-linux-64]]
+[[https://mycompany2-base.com/articles/linux/configuring-huge-pages-for-mycompany2-on-linux-64]]
 \\
+  * For hugepages:
+    * determine whether our system is UEFI. If this exists, is uefi: "cat /sys/firmware/efi/"
+  vim /etc/default/grub
+  # add this (one line):
+  default_hugepagesz=1G hugepagesz=1G hugepages=number-of-numa-sockets intel_iommu=on"
+  default_hugepagesz=1G hugepagesz=1G hugepages=50 intel_iommu=on"
+  grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg
+  [root@networklab01.ash.oci.mycompany1.co.uk ~]# grep Hugepagesize /proc/meminfo
+  Hugepagesize:    1048576 kB
+APIC and KSM:
+Apic  [[https://access.redhat.com/solutions/58790|info]]
+  cat /etc/qemu-kvm/target-x86_64.conf
+  options kvm_intel nested=1 enable_apicv=0
+  KSM_ENABLED=0
+Or
+  vim /etc/default/grub
+  # add this:
+  ... noapic"
+  grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg
 KVM INSTALL:\\
-[[https://www.cyberciti.biz/faq/how-to-install-kvm-on-centos-7-rhel-7-headless-server/]]
+  * [[https://www.cyberciti.biz/faq/how-to-install-kvm-on-centos-7-rhel-7-headless-server/]]
+  yum update
+  yum install -y qemu-kvm libvirt libvirt-python libguestfs-tools virt-install
+  systemctl enable libvirtd
+  systemctl start libvirtd
+  lsmod | grep -i kvm
+  * If we don't have root ssh access to the host, we need to add our user to the libvirt group so we can use virt-manager remotely:
+  usermod -a -G libvirt jaime.santos.amandi
 \\
@@ Line 16: / Line 57: @@
 [[https://www.tecmint.com/how-to-install-vagrant-on-centos-7/]]
 \\
+  yum -y install https://releases.hashicorp.com/vagrant/2.2.6/vagrant_2.2.6_x86_64.rpm
   vagrant version && vagrant plugin list  # to check vagrant version
   yum install ./vagrant_2.2.5_x86_64.rpm    # download the last version
@@ Line 24: / Line 66: @@
   yum install ruby-devel
-  yum -y install qemu libvirt libvirt-devel ruby-devel gcc
   yum -y install qemu libvirt libvirt-devel ruby-devel gcc
   vagrant plugin install vagrant-libvirt  # works
+Create virtual network for vagrant (for the management addresses):
+  cat << EOF > /var/tmp/vagrant-libvirt-net.xml
+  <network connections='1'>
+    <name>vagrant-libvirt</name>
+    <forward mode='nat'>
+      <nat>
+        <port start='1024' end='65535'/>
+      </nat>
+    </forward>
+    <bridge name='virbr1' stp='on' delay='0'/>
+    <ip address='192.168.121.1' netmask='255.255.255.0'>
+      <dhcp>
+        <range start='192.168.121.2' end='192.168.121.254'/>
+      </dhcp>
+    </ip>
+  </network>
+  EOF
+  virsh net-define /var/tmp/vagrant-libvirt-net.xml
+  virsh net-start vagrant-libvirt
+  virsh net-autostart vagrant-libvirt
+\\
 [[https://github.com/vagrant-libvirt/vagrant-libvirt/blob/master/README.md]]
@@ Line 32: / Line 100: @@
 \\
 Before virt-install , add vagrant-libvirt network from
-  restart libvirtd
+  service libvirtd restart
 \\
 For qemu permissions: [[https://github.com/jedi4ever/veewee/issues/996]]
+  ssh-keygen # upload key to gitlab
+  eval $(ssh-agent -s)
+  ssh-add ~/.ssh/*
+  git clone git@gitlab.mycompany2datacloud.com:jaime.santos.amandi/junos-vmx-vagrant-virtual-lab.git
+  git clone git@gitlab.mycompany2datacloud.com:jaime.santos.amandi/junos-vqfx-vagrant-virtual-lab.gi

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