Now I will show how to private cloud setup step by step using open source could computing Apache Cloud Stack. Apache Cloud Stack is a strong cloud computing at this time. This has various environments like small private cloud and large cloud system using Cloud Stack.

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In this guide, full private cloud system using Apache Cloud Stack. Minimum requirements one management server, one host for kvm. This management server using mysql, and nfs. But If you want to use nfs different server.

First see full network model for private cloud using Apache Cloud Stack.

Apache Cloud Stack Management Server Network Diagram

Installation process: 

1. Cloud Stack management server install.
2. Storage server install (NFS).
3. KVM server install.
4. NFS connection and systemvm download with create basic zone.
5. Firewall setup for all servers. 
6. NTP install for all servers.
7. Apache Cloud Stack Upload iso.
8. Create Instance on CloudStack.

Server ip list: 

• Cloud Stack : 10.66.100.40
• Storage : 10.66.100.30
• Host (kvm node) : 10.66.100.50

#01. This step is Cloud Stack management server installation process.

System requirements: 

• Operating system : vCentos 7.8.
• RAM : Minimum 2 GB for more best performance.
• Disk : 50 GB.
• CPU : 2 for more best performance.
• NIC : 1 Ethernet.
• IP address : Static setup.

Just showing all config details using cat command. So you can edit your server details like my server. First connect Cloud Stack server via ssh root access using putty or MobaxTreem.

Step #01 : Ready host name for setup Cloud Stack.

[root@localhost ~#] cat /etc/hosts

See example below:

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
10.66.100.40     cloud.technologyrss.local       cloud
10.66.100.50     kvm.technologyrss.local         kvm
10.66.100.30     nfs.technologyrss.local         nfs

Edit hostname file.

[root@localhost ~#] cat /etc/hostname

Like example below:

cloud

After complete change host name then server reboot.

[root@localhost ~#] reboot

Step #02 : Setup static ip address on Cloud Stack server.

[root@cloud ~#] cat /etc/sysconfig/network-scripts/ifcfg-eth1

Example below:

TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="static"
IPADDR="10.66.100.40"
NETMASK="255.255.0.0"
GATEWAY="10.66.11.1"
DNS1="8.8.8.8"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="eth1"
UUID="0a840d20-8c94-4e5c-89aa-a96ef2cb908e"
DEVICE="eth1"
ONBOOT="yes"

Check server is connected internet and ping cloudstack.apache.org site.

[root@cloud ~#] hostname --fqdn
cloud.technologyrss.local
[root@cloud ~#] ping cloud.technologyrss.local
[root@cloud ~#] ping cloudstack.apache.org

All firewall service stop and disable. Only use iptables for firewall all servers.

[root@cloud ~#] systemctl stop firewalld
[root@cloud ~#] systemctl disable firewalld

Then edit selinux config must be setup permissive.

[root@cloud ~#] cat /etc/selinux/config

Output like below:

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=permissive
# SELINUXTYPE= can take one of three values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted

Reboot Cloud Stack management server for change selinux status otherwise not install Cloud Stack service.

[root@cloud ~#] reboot

Step #03 : Start installation process Apache Cloud Stack.

[root@cloud ~#] yum install wget -y
[root@cloud ~#] yum install ntp -y
[root@cloud ~#] yum install chrony -y

Edit Apache Cloud Stack repo file.

[root@cloud ~#] cat /etc/yum.repos.d/cloudstack.repo

See example below:

[cloudstack]
name=cloudstack
baseurl=http://cloudstack.apt-get.eu/centos/$releasever/4.14/
enabled=1
gpgcheck=0

Add mysql community edition repo.

[root@cloud ~#] wget http://repo.mysql.com/mysql-community-release-el7-7.noarch.rpm
[root@cloud ~#] rpm -ivh mysql-community-release-el7-7.noarch.rpm

Install mysql server on Cloud Stack management server.

[root@cloud ~#] yum install mysql-server -y

Increase some config like timeout maximum connection. Add all line into my.cnf file.

[root@cloud ~#] cat /etc/my.cnf

Like below config

# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html

[mysqld]
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#

innodb_rollback_on_timeout=1
innodb_lock_wait_timeout=600
max_connections=350
log-bin=mysql-bin
binlog-format = 'ROW'

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

# Recommended in standard MySQL setup
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

Edit another file just.

[root@cloud ~#] cat /etc/my.cnf.d/cloudstack.cnf

Example below:

[mysqld]

Start mysql and enable service using below command.

[root@cloud ~#] systemctl start mysql
[root@cloud ~#] systemctl enable mysql

Setup myql root password from mysql terminal. By default not setup root password. So must be setup mysql root password before start Apache Cloud Stack management server.

[root@cloud ~#] mysql -u root -p

Press Enter without any password. Then setup mysql root password. Mysql version is 5.6.

mysql> UPDATE mysql.user SET Password=PASSWORD('passw0rd') WHERE User='root';

Restart mysql service then install Apache Cloud Stack management service.

[root@cloud ~#] systemctl restart mysql
[root@cloud ~#] yum -y install mysql-connector-python
[root@cloud ~#] yum -y install cloudstack-management

After installation done ! Now check java version 11 must be select. For check using below command.

[root@cloud ~#] alternatives --config java

If you see more java version install so you can select java version 11.

Now deploy Cloud Stack database using below command.

[root@cloud ~#] cloudstack-setup-databases cloud:cloud@localhost --deploy-as=root:passw0rd
Mysql user name:cloud                                                           [ OK ]
Mysql user password:******                                                      [ OK ]
Mysql server ip:localhost                                                       [ OK ]
Mysql server port:3306                                                          [ OK ]
Mysql root user name:root                                                       [ OK ]
Mysql root user password:******                                                 [ OK ]
Checking Cloud database files ...                                               [ OK ]
Checking local machine hostname ...                                             [ OK ]
Checking SELinux setup ...                                                      [ OK ]
Detected local IP address as 10.66.100.40, will use as cluster management server node IP[ OK ]
Preparing /etc/cloudstack/management/db.properties                              [ OK ]
Applying /usr/share/cloudstack-management/setup/create-database.sql             [ OK ]
Applying /usr/share/cloudstack-management/setup/create-schema.sql               [ OK ]
Applying /usr/share/cloudstack-management/setup/create-database-premium.sql     [ OK ]
Applying /usr/share/cloudstack-management/setup/create-schema-premium.sql       [ OK ]
Applying /usr/share/cloudstack-management/setup/server-setup.sql                [ OK ]
Applying /usr/share/cloudstack-management/setup/templates.sql                   [ OK ]
Processing encryption ...                                                       [ OK ]
Finalizing setup ...                                                            [ OK ]

CloudStack has successfully initialized database, you can check your database configuration in /etc/cloudstack/management/db.properties

Then check setup management using below command.

[root@cloud ~#] cloudstack-setup-management
Starting to configure CloudStack Management Server:
Configure Firewall ...        [OK]
Configure CloudStack Management Server ...[OK]
CloudStack Management Server setup is Done!

Installation done ! Now check service log file.

[root@cloud ~#] tail -f /var/log/cloudstack/management/management-server.log

After complete initialize database then reboot Cloud Stack management server.

[root@cloud ~#] reboot

Browse Cloud Stack server ip address.

http://10.66.100.40:8080/client/

Default User name : admin
Default password : password

If any problem so please see my YouTube channel for more details.

#02. This step is Storage (NFS) server installation process.

System requirements: 

• Operating system : vCentos 7.8.
• RAM : Minimum 2 GB for more best performance.
• Disk : 50 GB (This disk for OS).
• Another disk : 500 GB (This disk for share storage).
• CPU : 2 for more best performance.
• NIC : 1 Ethernet.
• IP address : Static setup.

NFS server host name and ip address setup same as Cloud Stack Step #01, #02 & #03.

Step #04 : Install storage (nfs) service before create zone on Cloud Stack.

[root@nfs ~]# yum -y install nfs-utils
[root@nfs ~]# mkdir -p /export/primary
[root@nfs ~]# mkdir -p /export/secondary
[root@nfs ~]# cat /etc/exports
/export  *(rw,async,no_root_squash,no_subtree_check)

NFS4 requires connecting all clients using the local domain name. So must be setup your local domain name into /etc/idmapd.conf file. Add below line into /etc/idmapd.conf this file .

Domain = technologyrss.local

Also add NFS configuration value or uncomment below lines from this /etc/sysconfig/nfs file.

LOCKD_TCPPORT=32803
LOCKD_UDPPORT=32769
MOUNTD_PORT=892
RQUOTAD_PORT=875
STATD_PORT=662
STATD_OUTGOING_PORT=2020

Then save this file and restart all services.

[root@nfs ~]# systemctl stop firewalld
[root@nfs ~]# systemctl disable firewalld
[root@nfs ~]# systemctl enable rpcbind
[root@nfs ~]# systemctl enable nfs
[root@nfs ~]# systemctl start rpcbind
[root@nfs ~]# systemctl restart nfs
[root@nfs ~]# service rpcbind restart
[root@nfs ~]# chkconfig nfs on
[root@nfs ~]# chkconfig rpcbind on

Now check nfs is working properly, so run below command.

[root@nfs ~]# rpcinfo -p
   program vers proto   port  service
    100000    4   tcp    111  portmapper
    100000    3   tcp    111  portmapper
    100000    2   tcp    111  portmapper
    100000    4   udp    111  portmapper
    100000    3   udp    111  portmapper
    100000    2   udp    111  portmapper
    100005    1   udp    892  mountd
    100005    1   tcp    892  mountd
    100005    2   udp    892  mountd
    100005    2   tcp    892  mountd
    100005    3   udp    892  mountd
    100005    3   tcp    892  mountd
    100024    1   udp    662  status
    100024    1   tcp    662  status
    100003    3   tcp   2049  nfs
    100003    4   tcp   2049  nfs
    100227    3   tcp   2049  nfs_acl
    100003    3   udp   2049  nfs
    100003    4   udp   2049  nfs
    100227    3   udp   2049  nfs_acl
    100021    1   udp  32769  nlockmgr
    100021    3   udp  32769  nlockmgr
    100021    4   udp  32769  nlockmgr
    100021    1   tcp  32803  nlockmgr
    100021    3   tcp  32803  nlockmgr
    100021    4   tcp  32803  nlockmgr

Also check share folder using below command.

[root@nfs ~]# showmount -e
Export list for nfs.technologyrss.local:
/export *

If you more help for setup nfs server for Cloud Stack management server so please see my YouTube channle.

#03. This step is KVM server installation process.

KVM server host name and ip address setup same as Cloud Stack Step #01, #02.

Step #05 : For ready kvm host before adding Cloud Stack zone.

[root@nfs ~]# yum install bridge-utils net-tools -y

Add Cloud Stack repo for install agent.

[root@nfs ~]# cat /etc/yum.repos.d/cloudstack.repo

See example below

[cloudstack]
name=cloudstack
baseurl=http://cloudstack.apt-get.eu/centos/$releasever/4.14/
enabled=1
gpgcheck=0

Now run Cloud Stack agent command for installation.

[root@nfs ~]# yum -y install cloudstack-agent

Libvirt file configuration. Add below lines into  /etc/libvirt/libvirtd.conf file.

listen_tls = 0
listen_tcp = 1
tcp_port = "16509"
auth_tcp = "none"
mdns_adv = 0

Uncomment below line from /etc/sysconfig/libvirtd file.

LIBVIRTD_ARGS="--listen"

Restart services using below command.

[root@nfs ~]# service libvirtd stop
[root@nfs ~]# service libvirtd start
[root@nfs ~]# systemctl enable libvirtd

Step #06 : Configure network bridge before add Cloud Stack zone.

This is important thing for two bridge interface name like cloudbr0 and cloudbr1.  Cloud Stack three interface name is hard coded like 

• pubNic=cloudbr1
• prvNic=cloudbr0
• guestNic=cloudbr0

So must be use this interface name.

ifcfg-cloudbr0 : This interface used for Cloud Stack management server and guest traffic.

ifcfg-cloudbr1 : This interface used for public traffic.

KVM host contain 4 interface e.i eth0, eth1, eth2 & eth3. When you use only private cloud setup so you don’t headache ifcfg-cloudbr1. Main focus is cloudbr0 interface.

Cloud Stack KVM Network Diagram

My kvm server have two physical interfaces like LAN is ifcfg-enp2s0 and WAN is ifcfg-enp4s0.

[root@kvm ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp2s0
TYPE="Ethernet"
HWADDR="8c:89:a5:5a:f5:54"
BOOTPROTO="none"
DEVICE="enp2s0"
USERCTL="no"
MASTER="bond0"
SLAVE="yes"
NM_CONTROLLED="no"
ONBOOT="yes"

Next bond0 interface details.

[root@kvm ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
ONBOOT=yes
BONDING_OPTS='mode=1 miimon=100'
BRIDGE=cloudbr0
NM_CONTROLLED=no

This is Cloud Stack cloudbr0 LAN interface. You must be setup static ip address in this interface.

[root@kvm ~]# cat /etc/sysconfig/network-scripts/ifcfg-cloudbr0
DEVICE="cloudbr0"
TYPE="Bridge"
ONBOOT="yes"
NM_CONTROLLED="no"
DELAY="0"
IPADDR="10.66.100.50"
GATEWAY="10.66.11.1"
NETMASK="255.255.0.0"
DNS1="10.66.11.9"
DNS2="8.8.8.8"
DOMAIN="technologyrss.local"

This is second physical interface WAN ifcfg-enp4s0.

[root@kvm ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp4s0
DEVICE="enp4s0"
TYPE="Ethernet"
USERCTL="no"
MASTER="bond1"
SLAVE="yes"
BOOTPROTO="none"
HWADDR="00:e0:4a:0b:6a:5a"
NM_CONTROLLED="no"
ONBOOT="yes"

Now see bond1 interface.

[root@kvm ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond1
DEVICE=bond1
ONBOOT=yes
BONDING_OPTS='mode=1 miimon=100'
BRIDGE=cloudbr1
NM_CONTROLLED=no

And Cloud Stack public interface.

[root@kvm ~]# cat /etc/sysconfig/network-scripts/ifcfg-cloudbr1
DEVICE=cloudbr1
ONBOOT=yes
TYPE=Bridge
NM_CONTROLLED=no
DELAY=0

Remember ! Must be disable network manager.

[root@kvm ~]# systemctl stop NetworkManager
[root@kvm ~]# systemctl disable NetworkManager

Install nfs client service.

[root@kvm ~]# yum -y install nfs-common

Add below line into /etc/idmapd.conf file for communication nfs connection.

Domain = technologyrss.local

Sometime change the java version so can’t start Cloud Stack agent service. Which java version running. Using below command to check this.

[root@kvm ~]# alternatives --config java

Must be select the java version 11 otherwise Cloud Stack agent not running.

[root@kvm ~]# service cloudstack-agent start
[root@kvm ~]# systemctl enable cloudstack-agent

Sometimes can’t read this /dev/kvm directory. So setup permission.

[root@kvm ~]# mknod /dev/kvm c 10 232
[root@kvm ~]# chmod 660 /dev/kvm
[root@kvm ~]# chown root:qemu /dev/kvm

All is done ! 🙂

If needed more help, so please see my YouTube channel.

#04. This step is NFS connection settings for download systemvm template.

Goto Cloud Stack management server create secondary folder and mount secondary share from nfs share.

[root@cloud ~]# mkdir -p /mnt/secondary
[root@cloud ~]# mount -t nfs 10.66.100.30:/export/secondary /mnt/secondary

Now run systemvm template download command.

[root@cloud ~]# /usr/share/cloudstack-common/scripts/storage/secondary/cloud-install-sys-tmplt -m /mnt/secondary -u http://download.cloudstack.org/systemvm/4.14/systemvmtemplate-4.14.0-kvm.qcow2.bz2 -h kvm -F

Wait up to 5-10 minutes for complete download. Then remove mount folder and remove created folder from Cloud Stack server.

[root@cloud ~]# umount /mnt/secondary
[root@cloud ~]# rm -rf /mnt/secondary

Change some global configuration for private Cloud Stack setup. Login to you Cloud Stack UI and change this settings.

system.vm.use.local.storage	     [set false to -> true
ca.plugin.root.auth.strictness	     [set true to -> false
secstorage.allowed.internal.sites    [set value = 10.66.11.9(local server ip using apache web server for download iso

Then stop and start Cloud Stack management serivce using below command then check log file.

[root@cloud ~]# /bin/systemctl stop cloudstack-management.service
[root@cloud ~]# /bin/systemctl start cloudstack-management.service
[root@cloud ~]# tail -f /var/log/cloudstack/management/management-server.log

Please see full video for more details from my YouTube channel.

#05. This step is firewall setup for CloudStack Management and KVM servers.

[root@cloud ~]# yum -y install iptables-services

Then add your network for some port allow.

[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 22 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 111 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 662 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 875 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 892 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 1798 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 2003 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 2049 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 3306 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 4505:4506 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 49152:49216 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 5900:6100 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 6800:7300 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 7689 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 8080 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 8250 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 16514 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 16509 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 32769 -j ACCEPT	
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p tcp -m tcp --dport 32803 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 22 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 111 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 662 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 875 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 892 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 1798 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 2003 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 2049 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 3306 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 4505:4506 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 49152:49216 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 5900:6100 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 6800:7300 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 7689 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 8080 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 8250 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 16514 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 16509 -j ACCEPT
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 32769 -j ACCEPT	
[root@cloud ~]# iptables -I INPUT -s 10.66.0.0 -m state --state NEW -p udp -m udp --dport 32803 -j ACCEPT

Save iptables settings and restart service.

[root@cloud ~]# service iptables save
[root@cloud ~]# iptables-save > /etc/sysconfig/iptables
[root@cloud ~]# systemctl start iptables
[root@cloud ~]# systemctl enable iptables

#06. This step is NTP install for all servers.

[root@cloud ~]# yum -y install ntp
[root@cloud ~]# systemctl enable ntpd
[root@cloud ~]# systemctl start ntpd

#07. Apache Cloud Stack Upload iso.

This step is to download is in CloudStack system using any web server or public official server. Must be seen Step #04 for allowing your download is served. This is my local web server. I have stored some iso for download in CloudStack system.

Goto your login system http://10.66.100.40:8080/client/ and then goto Template / Select view ISO then click Register ISO on the right side. Now enter your iso name, description, iso link, select zone, OS type select and mark all check mark then click OK. After ISO register, then wait at least 10-20 minutes to download and install on your CloudStack system.

See example from below image.

Check download status click on the register iso name then click Zones now see it download status.

Please see full video for more details from my YouTube channel.

#08. Create Instance on CloudStack.

This step is to create instance using uploaded iso. Before using this Step #08 must be see Step #07 for upload iso.
Goto your login system http://10.66.100.40:8080/client/ and then goto Instances now click Add Instance on the right side.

• Select ISO then click Next.
• Click Ubuntu_18.04 with Hypervisor is KVM then click Next.
• Choose Compute offering like Medium Instance then click Next.
• Choose Disk offering like Medium then click Next.
• Affinity group not needed then click Next.
• Default security group then click Next.
• SSH KeyPair not needed then click Next.
• Now review all information and if needed you can change any option.

Finnaly, click Launch VM. Then wait at least 1 minute for attache iso and start vm console. Now click view console for the complete installation process.

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I am system administrator as Windows and Linux platform. I have 4 years skilled from the professional period. I have to configure Linux based system such as an Asterisk VOIP system, Network monitoring tools (ZABBIX), Virtualization (XEN Server), Cloud computing (Apache CloudStack) etc. Now share my professional skill each interested person.
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