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Deploy OpenVZ 7 Containers

By rockitpinoy

In OpenVZ containers also known as Virtual Machine or VPS. OS-level Virtualization solution that ensures containers share the resources of the physical machine. It is also called container-oriented virtualization approach that helps website operators to deploy many, separate operating system instances on a web server. OpenVZ containers provides templates for all Linux distributions. You will need to download those templates to create a container or VPS. STEP 1: Access OpenVZ 7 node via SSH (must be root account or with a super user privilege account) STEP 2: Download CentOS7 Minimal OS Template You can download one from http://wiki.openvz.org/Download/template/precreated. # mkdir /vz/template/downloads # cd /vz/template/downloads # wget http://download.openvz.org/template/precreated/centos-7-x86_64-minimal.tar.gz Convert the template so that it can be utilized by OpenVZ 7: #/usr/libexec/ovz-template-converter --verbose /vz/template/downloads/centos-7-x86_64-minimal.tar.gz STEP 3: Create Container After downloading os template, execute the following commands to create new VPS. # vzctl create 575757 --ostemplate centos-6-x86_64-minimal Set IP Address Note: CT configuration saved to /etc/vz/conf/575757.conf # vzctl set 575757 --ipadd 10.168.50.124 --save Set DNS Server # vzctl set 575757 --nameserver 8.8.8.8 --save Start Container on-boot # vzctl set 575757 --onboot yes --save Set Disk Space # vzctl set 575757 --diskspace 80G:85G --save Set Memory and Swap # vzctl set 575757 --ram 4G --swap 1GB --save Set Hostname # vzctl set 575757 --hostname rockitpinoy.localhost.local --save Start/Stop/Restart Container # vzctl start 575757 # vzctl restart 575757 # vzctl --verbose stop 575757 Using the aforementioned command lines, you can now launch containers. You can also set additional parameters provided below. Set Root Password # vzctl set 575757 --userpasswd root:yourpasswordhere Set CPUs # vzctl set 575757 --cpus 4 --save Set CPU Units # vzctl set 575757 --cpuunits 100000 –save Set CPU Limit # vzctl set 575757 --cpulimit 4 --save Listing Container # vzlist -a Enter Container # vzctl enter 575757 Destroy Container # vzctl destroy 575757 Note: You may need to stop the container in order to delete or remove it. Referrences: OpenVZ Official Website: https://openvz.org/ OpenVZ GitHub Repository: https://github.com/openvz/vzctl OpenVZ Forum: https://forum.openvz.org/ OpenVZ Documentation: https://openvz.org/Documentation OpenVZ Wiki: https://wiki.openvz.org/Main_Page OpenVZ on Twitter: https://twitter.com/openvz OpenVZ on Reddit: https://www.reddit.com/r/OpenVZ/