1. Create a centos7.6 system and optimize the system 1. Turn off NetworkManager systemctl disable NetworkManager systemctl stop NetworkManager 2. Turn off selinux setenforce 0 sed -i "s#SELINUX=enforcing#SELINUX=disabled#g" /etc/selinux/config 3. Turn off firewalld systemctl stop firewalld systemctl disable firewalld 4. Install the software you need for daily use yum install vim nc wget lrzsz telnet net-tools epel-release bind-utils tree cifs-utils ntpdate -y 5. Modify the network configuration (change to /etc/sysconfig/network-scripts/ifcfg-eth0) and multiple network card configuration ###Modify the network card file name and configuration cd /etc/sysconfig/network-scripts cp ifcfg-ens192 /tmp/ifcfg-ens192_bak sed -i "s#NAME=.*#NAME='eth0'#g" ifcfg-ens192 sed -i "s#DEVICE=.*#DEVICE='eth0'#g" ifcfg-ens192 mv ifcfg-ens192 ifcfg-eth0 ###Modify grub configuration sed -i 's#GRUB_CMDLINE_LINUX=.*#GRUB_CMDLINE_LINUX=\"rhgb quiet net.ifnames=0 biosdevname=0\"#g' /etc/default/grub grub2-mkconfig -o /boot/grub2/grub.cfg 6. Modify the maximum number of files for all users #cat >> /etc/security/limits.conf <<eof * soft nofile 65535 eof #cat >> /etc/security/limits.conf <<eof * hard nofile 65535 eof 7. Modify the maximum number of processes for ordinary users #sed -i "/*/s#* soft nproc.*#* soft nproc 65535#g" /etc/security/limits.d/20-nproc.conf 2. Export the centos7 ova template and modify the template file 1. Export using ovftool (because the browser does not support large file export) 1) Download the ovftool tool 2) Install the ovftool tool. Double-click VMware-ovftool-4.3.0-7948156-win.x86_64.msi. Click the default next step and complete it. 3) Use the ovftool command to export the ova template PS >cd C:\Program Files\VMware\VMware OVF Tool PS >.\ovftool.exe -dm=thin "vi://10.10.90.239/centos-template" d:\centos-template\centos-template.ova #10.10.90.239 is the host machine IP Fingerprint will be added to the known host file Write 'yes' or 'no' yes #Enter yes Enter login information for source vi://10.10.90.239/ Username: root #UsernamePassword: ********* #PasswordOpening VI source: vi://[email protected]:443/centos-template Opening OVA target: d:\centos-template\centos-template.ova Writing OVA package: d:\centos-template\centos-template.ova Transfer Completed Completed successfully 2. Modify the file in the ova template 3. Import ovf template Open the browser-->Enter the vmware esxi6.7 host page-->Virtual machine-->Create/register virtual machine-->Deploy a virtual machine from an OVF or OVA file-->test-centos-template (Enter a name for the virtual machine.)-->Click to select a file or drag and drop (Drag and drop the two files centos-template.ovf and centos-template-disk1.vmdk to this area)-->Default next page-->Finish NOTE: Do not refresh your browser while this virtual machine is deploying. The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM. |
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