How to install nginx on centos 7? In my recent work, I need to install nginx on a centos 7 reverse proxy server for my customers to resolve different domain names to that server for their own business.
If you wnat to check the centos 7 server whether installed nginx, you just only execute this command.
Execute ps -ef | grep nginx command (ps -ef: lists all processes, grep nginx: filters out processes that are not related to nginx)
ps -ef | grep nginx
View Nginx ProcessID
ps -C nginx -o pid
These are some of the non-essential steps, if you are sure that you do not have nginx installed on your server, then the next are the core steps.
Install nginx on centos 7
Before you start, you need to make sure that your account has sudo privileges, preferably if you can use a root account.
1. Adding the EPEL Software Repository
Connect to your centos 7 server wia SSH(I like use putty), then use the yum command to install the extended package repository:
sudo yum install epel-release
You’ll be prompted to verify that you want to install the software. Type y then ENTER to continue.
- Total 1.8 MB/s | 2.3 MB 00:00:01 Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7 Importing GPG key 0x352C64E5: Userid : "Fedora EPEL (7) <epel@fedoraproject.org>" Fingerprint: 91e9 7d7c 4a5e 96f1 7f3e 888f 6a2f aea2 352c 64e5 Package : epel-release-7-11.noarch (@extras) From : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7 Is this ok [y/N]: y
How to install nginx on centos 7
Next, you’ll install the actual nginx software package.
2. Installing Nginx
Enter this command on putty/others, means execute this command. Completing the first step means that the EPEL repository installation is successful.
sudo yum install nginx
3. Starting Nginx
sudo systemctl enable nginx sudo systemctl start nginx
The above 2 instructions indicate enabling and starting Nginx, respectively.
4. Check Nginx Status
sudo systemctl status nginx
output
● nginx.service - The nginx HTTP and reverse proxy server
Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
Active: active (running) since Sat 2023-05-13 10:10:28 CST; 10s ago
Process: 250717 ExecStart=/usr/sbin/nginx (code=exited, status=0/SUCCESS)
Process: 250714 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS)
Process: 250711 ExecStartPre=/usr/bin/rm -f /run/nginx.pid (code=exited, status=0/SUCCESS)
Main PID: 250719 (nginx)
CGroup: /system.slice/nginx.service
├─250719 nginx: master process /usr/sbin/nginx
├─250720 nginx: worker process
├─250721 nginx: worker process
├─250722 nginx: worker process
├─250723 nginx: worker process
├─250724 nginx: worker process
├─250725 nginx: worker process
├─250726 nginx: worker process
└─250727 nginx: worker process
May 13 10:10:28 adsl-172-10-2-37.dsl.sndg02.sbcglobal.net systemd[1]: Starting The nginx HTTP and revers....
May 13 10:10:28 adsl-172-10-2-37.dsl.sndg02.sbcglobal.net nginx[250714]: nginx: the configuration file /...k
May 13 10:10:28 adsl-172-10-2-37.dsl.sndg02.sbcglobal.net nginx[250714]: nginx: configuration file /etc/...l
May 13 10:10:28 adsl-172-10-2-37.dsl.sndg02.sbcglobal.net systemd[1]: Started The nginx HTTP and reverse....
Hint: Some lines were ellipsized, use -l to show in full.
How to install nginx on centos 7
Some Nginx Useful Command
View the nginx conf file directory
nginx -t
sudo systemctl stop nginx – stop nginx Sudo Systemctl Start nginx – Start nginx sudo systemctl restart nginx – restart nginx sudo systemctl reload nginx -- overloaded conf sudo systemctl disable nginx -- disables auto-start sudo systemctl enable nginx -- enables auto-start
Configure Nginx
server{
# listen 443;
listen 80;
server_name znlive.com;
client_max_body_size 1G;
location / {
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host 'znlive.com';
proxy_set_header X-Forwarded-Proto $scheme;
proxy_pass http://172.3.2.12:8080;
index index.html index.htm;
}
}
server{
# listen 443;
listen 80;
server_name jhrs.com;
client_max_body_size 1G;
location / {
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host 'jhrs.com';
proxy_set_header X-Forwarded-Proto $scheme;
proxy_pass http://172.3.2.12:8081;
index index.html index.htm;
}
}
server{
# listen 443;
listen 80;
server_name by3.org;
client_max_body_size 1G;
location / {
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host 'by3.org';
proxy_set_header X-Forwarded-Proto $scheme;
proxy_pass http://172.3.2.12:8082;
index index.html index.htm;
}
}
server{
# listen 443;
listen 80;
server_name guowaivps.org;
client_max_body_size 1G;
location / {
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host 'guowaivps.org';
proxy_set_header X-Forwarded-Proto $scheme;
proxy_pass http://172.3.2.12:8083;
index index.html index.htm;
}
}
How to install nginx on centos 7
Firewall Port Settings
Usually we don’t need to set up additional ports, but for example, if you need to open ports 80 and 443, or whatever, you can execute the following command. If the firewall blocks ports 80 and 443, use the following command to enable them.
sudo firewall-cmd --permanent --zone=public --add-service=http sudo firewall-cmd --permanent --zone=public --add-service=https sudo firewall-cmd --reload