NSA

-------------------------SET A------------------------

Q1
1. configure ftp server put gateway 1.1
2. put 1.1 in router peer IP
3. make user read read
4. make file in text editor and save as file.txt
5. cmd >> ftp 10.10.10.2 >> dir >> put file.txt
6. next pc >> get file.txt

Q2.

1.sudo groupadd <groupname>
2. sudo usermod -aG <groupname> john
3. getent group <groupname>
4. su <username>
5. whoami

Q3.

1. sudo yum install samba samba-common samba-client
2. net config workstation
3. sudo mv /etc/samba/smb.conf /etc/samba/smb.con.bak
4. sudo mkdir -p /srv/samba/shared
   sudo chmod -R 0755 /srv/samba/shared
   sudo chown -R nobody:nobody /srv/samba/shared
   sudo chcon -t samba_share_t /srv/samba/shared
5. sudo vim /etc/samba/smb.conf
6. sudo testparm
7. sudo firewall-cmd - -add-service=samba --zone=public - -permanent
   sudo firewall-cmd - -reload
8. sudo systemctl start smb
   sudo systemctl enable smb
9. sudo systemctl start nmb
   sudo systemctl enable nmb
   sudo systemctl status nmb
10. Press windows+R to open “Run” dialog in Windows
    Type \\ IP Address of CentOS and press enter
11. cd /srv/samba/shared



-------------------------SET B------------------------
Q1.
1. configure email server put gateway1.1
2.put 1.1 in router peer IP
3. make domain in email server "cisco.com"
4. PC >> email >> configure mail
	name : pc
	email : [email protected]
	mail server:172.16.32.2
	out: 172.16.32.2
	username: created username
	passwd: created passwd
5. send mail from one pc to another

Q2.

1.	Yum install httpd
2.	sudo firewall-cmd --permanent --add-service=http
3.	sudo firewall-cmd --permanent --add-service=https
4.	sudo firewall-cmd –reload
5.	sudo systemctl start httpd
6.	sudo systemctl status httpd

Q3.

1. sudo yum install bind bind-utils
2. sudo nano /etc/named.conf
	listen-on port 53 { 127.0.0.1; <Your IP address>; };
	allow-query { localhost; 192.168.107.0/24; };
	zone "prime.com" IN {
 		type master;
 		file "/var/named/prime.com.zone";
		allow-update{none;};
	};
3. sudo nano /var/named/prime.com.zone
4. sudo chown named:named /var/named/prime.com.zone
   sudo chown named:named /var/named/16.101.168.192.in-addr.arpa.zone
   sudo chmod 640 /var/named/prime.com.zone
   sudo chmod 640 /var/named/16.101.168.192.in-addr.arpa.zone
5. sudo systemctl enable named
   sudo systemctl start named
6. sudo firewall-cmd --permanent --add-service=dns
   sudo firewall-cmd –reload
7. nslookup <domain_name> (E.g. nslookup prime.com)



-------------------------SET C------------------------


Q2.

1. yum update
2.yum install wget
3. sudo wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
4. sudo rpm -Uvh mysql80-community-release-el7-3.noarch.rpm
5. sudo yum install mysql-server
6. suo systemctl start mysqld
7. sudo systemctl status mysqld
8. sudo mysql_secure_installation
9. sudo grep 'password' /var/log/mysqld.log
10. mysql -u root -p
11. CREATE USER 'myuser'@'%' IDENTIFIED BY 'password';
12. GRANT ALL PRIVILEGES ON mydatabase.* TO 'myuser'@'%';


Q3. se
1. yum install telnet-server telnet
2. firewall-cmd --add-service=telnet --zone=public --permanent
3. systemctl start telnet.socket
4. systemctl enable telnet.socket
5. telnet google.com