Cut command check your command query with option the show output on screen.
Command Syntax:- cut option filename
Friday, August 18, 2023
Thursday, August 17, 2023
Linux Web Server Configuration
Apache Configuration
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- Package : httpd
- Service : httpd
- Port : 80 (http) ,443(https)
- Configuration file : /etc/httpd/conf/httpd.conf
- Document Root : /var/www/html/
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1.) Install httpd service.
#yum install httpd -y
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2) Configuration file path.
vim /etc/httpd/conf/httpd.conf
Here you can change port as per your requirement.
Listen 80
Listen 8080
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3.) You have to create a file like index.html
#vim /var/www/html/index.html
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4.) After creating file under html folder, need to start httpd service.
Your URL will be http;//ipaddress or domain name from browser.
Also, you can same check with your terminal like curl http://localhost
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5.) We can change or add default page extenstion or file name in hosting configuration.
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6.) Whenever you change the configuration in config file then you have to reload the httpd service.
#systemctl reload httpd
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Port Based Hosting
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1.) Configuration file path.
vim /etc/httpd/conf/httpd.conf
You have to add custom port number as per your requirement in httpd configuration file.
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2) Add below syntex in your httpd configuration file.
<Directory /var/www/html/site1>
Require all granted
AllowOverride None
</Directory>
<VirtualHost 172.31.36.170:8080>
DocumentRoot /var/www/html/site1
ServerAdmin ashara@ritesh.local
ErrorLog "logs/site1_error_log"
CustomLog "logs/site1_access_log" combined
</VirtualHost>
<Directory /var/www/html/site2>
Require all granted
AllowOverride None
</Directory>
<VirtualHost 172.31.36.170:8181>
DocumentRoot /var/www/html/site2
ServerAdmin ashara@ritesh.local
ErrorLog "logs/site2_error_log"
CustomLog "logs/site2_access_log" combined
</VirtualHost>
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3.) Now restart httpd service.
#systemctl restart httpd
or
#systemctl reload httpd
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4.) We are now checking output with different port numbers which we have mentioned in httpd configuration file.
<Directory /var/www/html/site1>
Require all granted
AllowOverride None
</Directory>
<VirtualHost 192.168.1.201:80>
DocumentRoot /var/www/html/site1
ServerAdmin janak@devops.local
ErrorLog "logs/site1_error_log"
CustomLog "logs/site1_access_log" combined
</VirtualHost>
<Directory /var/www/html/site2>
Require all granted
AllowOverride None
</Directory>
<VirtualHost 192.168.1.201:8080>
DocumentRoot /var/www/html/site2
ServerAdmin janak@devops.local
ErrorLog "logs/site2_error_log"
CustomLog "logs/site2_access_log" combined
</VirtualHost>
https://www.webhi.com/how-to/how-to-install-ssl-certificate-on-apache-for-centos-7/
apachectl configtest
IP Based
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<Directory /var/www/html/site1>
Require all granted
AllowOverride None
</Directory>
<VirtualHost 192.168.1.102:80>
DocumentRoot /var/www/html/site1
ServerAdmin janak@devops.local
ErrorLog "logs/site1_error_log"
CustomLog "logs/site1_access_log" combined
</VirtualHost>
<Directory /var/www/html/site2>
Require all granted
AllowOverride None
</Directory>
<VirtualHost 192.168.1.112:80>
DocumentRoot /var/www/html/site2
ServerAdmin janak@devops.local
ErrorLog "logs/site2_error_log"
CustomLog "logs/site2_access_log" combined
</VirtualHost>
DNS Based
=======================
<Directory /var/www/html/site1>
Require all granted
AllowOverride None
</Directory>
<VirtualHost 192.168.0.104:80>
DocumentRoot /var/www/html/site1
ServerName www.devopsservice.local:80
ServerAdmin janak@devops.local
ErrorLog "logs/site1_error_log"
CustomLog "logs/site1_access_log" combined
</VirtualHost>
<Directory /var/www/html/site2>
Require all granted
AllowOverride None
</Directory>
<VirtualHost 192.168.0.104:80>
DocumentRoot /var/www/html/site2
ServerName web.devopsservice.local:80
ServerAdmin janak@devops.local
ErrorLog "logs/site2_error_log"
CustomLog "logs/site2_access_log" combined
</VirtualHost>
Linux Master DNS Server Configuration
Package Name: bind
Service Name: named
IP Address : 192.168.1.4
Port: 53
Configuration File: /etc/named.conf
Directory: /var/named
DNS Name: ritesh.local
Computer Name: computer-1.ritesh.local
Example: computer-1.ritesh.local - FQDN
- Install Package
[root@computer-1 ~]# yum install bind
[root@computer-1 ~]# hostnamectl set-hostname computer-1.ritesh.local
[root@computer-1 ~]# cat /etc/hosts
192.168.1.4 computer-1.devopsservice.local computer-1
[root@computer-1 ~]# cat /etc/resolv.conf
# Generated by NetworkManager
search ritesh.local
nameserver 192.168.1.4
[root@computer-1 ~]#
[root@computer-1 ~]# vi /etc/named.conf
listen-on port 53 { 192.168.1.4; };
allow-query { any; };
[root@computer-1 ~]# vi /etc/named.rfc1912.zones
zone "devopsservice.local" IN {
type master;
file "ritesh.local.forward";
allow-update { none; };
};
[root@computer-1 ~]# cd /var/named/
[root@computer-1 ~]# vi ritesh.local.forward
$TTL 1D
@ IN SOA computer-1.ritesh.local. root.ritesh.local. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
IN NS computer-1.ritesh.local.
computer-1 IN A 192.168.1.4
windows IN A 192.168.1.3
[root@computer-1 ~]# chown root:named ritesh.local.forward
[root@computer-1 ~]# systemctl start named
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