CentOS 6.10 다운로드 링크:
https://www.osboxes.org/centos/#centos-7-lemp-info
Adding Converted VMDK Virtual Disk to VMware Virtual Machine:
https://kb.acronis.com/content/1721
https://medium.com/@taufiq_ibrahim/enable-ssh-on-centos-fresh-install-25329569c120
// Install OpenSSH Server and Client
yum -y install openssh-server openssh-clients
// Enable on start
chkconfig sshd on
// Restart SSHD
service sshd restart
https://zetawiki.com/wiki/CentOS_JDK_%EC%84%A4%EC%B9%98
// 설치가능 확인
yum list java*jdk-devel
// 설치
yum install java-1.8.0-openjdk-devel.x86_64
// 설치 확인
rpm -qa java*jdk-devel
javac -version
https://shaeod.tistory.com/748
http://ehpub.co.kr/4-%EB%A6%AC%EB%88%85%EC%8A%A4-%ED%99%98%EA%B2%BD-%EB%B3%80%EC%88%98-%EB%AA%A9%EB%A1%9D%EC%9D%84-%ED%99%95%EC%9D%B8%ED%95%A0-%EB%95%8C%EB%8A%94-expert-%EB%AA%85%EB%A0%B9%EC%9D%84-%EC%82%AC%EC%9A%A9/
https://blog.hanumoka.net/2018/04/30/centOs-20180430-centos-install-jdk/
[root@localhost etc]# echo $JAVA_HOME
[root@localhost etc]# which javac
/usr/bin/javac
[root@localhost etc]# readlink /usr/bin/javac
/etc/alternatives/javac
[root@localhost etc]# readlink /etc/alternatives/javac
/usr/lib/jvm/java-1.8.0-openjdk.x86_64/bin/javac
[root@localhost etc]# vi /etc/profile
[root@localhost etc]# source /etc/profile
[root@localhost etc]# echo $JAVA_HOME
/usr/lib/jvm/java-1.8.0-openjdk.x86_64/
[root@localhost etc]#
https://victorydntmd.tistory.com/224
http://blog.plura.io/?p=4519
https://www.first2host.co.uk/f/open-port-iptables/
https://unix.stackexchange.com/questions/109443/open-port-80-in-centos-6-5