--- Centos7 VM Build ---

https://linuxize.com/post/how-to-create-a-bootable-centos-7-usb-stick-on-linux/

VM-Scratch-from-ISO-File

centos-7-netinstall-guide

30 Things to Do After Minimal RHEL/CentOS 7 Installation 


3.10 CentOS 7.7 NetInstall URL (Installation Source)
Example mirrors.sonic.net 	Alternatively use CentOS own mirror
http://mirrors.sonic.net/centos/7/os/x86_64/ 	
http://mirror.centos.org/centos/7/os/x86_64/
http://mirrors.sonic.net/centos/7.7.1908/os/x86_64/ 	
http://mirror.centos.org/centos/7.7.1908/os/x86_64/

Virtual System Name: fMRItest
vSphere Server: Weedemon
Cluster: Production
Routable IP: 128.226.6.72
MAC: 00:50:56:a2:76:fb
Netmask: 255.255.255.192
Gateway: 125.226.6.65
Broadcast: 128.226.6.127

fmriadmin - sudo user


https://centosone.binghamton.edu/SEC/Grow-XFS-root-xfs.html
/etc/hosts.allow  /etc/hosts.deny
yum install net-tools
test sudo admin user (recreate if needed)
	useradd  -c SudoAdmin -d /home/fmriadmin -g 1000 -u 1000 -s /bin/bash -m fmriadmin
	passwd  fmriadmin
yum update

tsm

The /centos7-template.login should connect to the template clone.
================================================================
It will if the clone is powered on!!

Collect And Store the Network Information from the VMWARE Team
===============================================================
Virtual System Name:  
vSphere Server: Weedemon
Cluster: Production
Routable IP: 128.226. 
MAC: 00:50:56: 
Netmask: 255.255.255. 
Gateway: 125.226. 
Broadcast: 128.226. 

Change CFG File to the new IP (and possible other values)
=========================================================
cd /etc/sysconfig/network-scripts
cat cfg-ens192
nmtui

Reset Hostname and IP
=========================================================
cd /etc
find . -type f -print | xargs grep -il 128.226.6.72
find . -type f -print | xargs grep -il  centos7-template


Change The root Password
========================

Add These Packages Till On centost-template Itself
==================================================
yum install bind-utils.x86_64 
yum install nmap


Request DSN Entry
===============================================================================
Lorene B Evans <levans@binghamton.edu>,Michael P Hizny <mhizny@binghamton.edu>


DSM.SERVICE
============================================================
firewall-cmd --zone=public --add-port=1501/tcp --permanent
firewall-cmd --reload
netstat -tulpn | grep LISTEN 
netstat -tulpn | egrep 1501

cd /usr/lib/systemd/system; ls -l dsm.service
wget http://centosone.binghamton.edu/Upload/
cat dsm.service
dsmc # confirm login


Create an yum update|check /boot script 
========================================
#!/usr/bin/sh

# vi /usr/local/bin/upem.sh; chmod 700 /usr/local/bin/upem.sh

echo "=============================="
/usr/bin/yum update
echo "=============================="
uname -r
echo "=============================="
echo "cd /boot; ls -l; uname -r"
echo "=============================="
echo "grub2-mkconfig > /boot/grub2/grub.cfg"
echo "=============================="


Confirm VMADMIN user 
=============================================================================
NOTE: userid must be changed to 1001 because of unique fmriadmin.
/etc/passwd:vmadmin:x:1001:1000:VM-ADMIN:/home/vmadmin:/bin/bash
/etc/group:wheel:x:10:fmriadmin,vmadmin
/etc/shadow:vmadmin:$6$WyVc4keQkCy1yIww$Gq76DEhFWlDHCxrLqqAYSXyCFS/NnqZPB/oCMtvSwLFhy.ZNYQTY5EQS1dbbtn60fwS65LdB3hKGoT.L.v2A6/:18558:0:99999:7:::  
=============================================================================


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vv0/2k1ng
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