In this guide, you will acquire how to install an SSL Certificate on CentOS. Since no SSL installation goes without a certificate signing asking, we've also included step past step instructions on how to generate a CSR code in CentOS. For the virtually curious minds, we've added a historical overview of CentOS. And, if yous don't know where to purchase an SSL Certificate for CentOS, stick till the end to find the best identify and searching tools for your platonic document.

How to generate a CSR code in CentOS?
Install an SSL certificate on CentOS
CentOS History and Versions
Where to buy an SSL Certificate for CentOS?

How to generate a CSR code in CentOS?

When applying for an SSL Certificate, you demand to generate a CSR (Certificate Signing Request) and send it to the Certificate Say-so. The CSR is a cake of text that includes up to appointment data nearly your website or organization, likewise as the public key. Y'all can generate the CSR straight from your server. Please follow the instructions below:

  1. Log into your server using the secure vanquish (SSH)
  2. Type the following command at the prompt:
     openssl req -new -newkey rsa:2048 -nodes -keyout mydomain.key -out mydomain.csr
  3. Make sure you lot replace mydomain with your actual domain name. For example, if your domain name is example.com, y'all must enter example.central and instance.csr
  4. Next, you demand to submit details about your organization to the CA
    • Country Name – Use the 2-letter abbreviation for the country where your organization is officially registered. For case, if it is registered in the United States, enter "US", if in the Uk, type "United kingdom of great britain and northern ireland"
    • State or Provence – Enter the total name of the land or province where your organization is registered
    • Urban center or Locality –Enter the total proper noun of the urban center where your organization is located
    • Organization Name – If you're applying for a Business concern Validation or Extended Validation certificate, enter your company'southward legal proper name. If you're applying for a Domain Validation certificate, use your full name instead
    • Organizational Unit of measurement Name – Here you can enter your DBA (doing as business) name if applicable. Alternatively, y'all can specify the section that manages the SSL certificates. For example, "Information technology" or "Web Administration"
    • Common Name – Enter the fully qualified domain name (FQDN) you want to secure. (e.g. ssldragon.com)

      Note: If yous're applying for a Wildcard SSL certificate, you must add an asterisk in front of your domain name. For instance, *.ssldragon.com. Do not include "https" or any other characters in this field.

  5. Email address – Enter a valid email address every bit a means of contact for your domain
  6. Countersign – This field is optional. You may further secure your SSL document with a password, or you can leave this field blank.

That's it. Your CSR code is set up! You can find information technology in your working directory with the "ls" command. The two new files are yourdomainname.csr , and yourdomainame.central.  The .csr file contains the certificate signing request that yous'll need to submit to the Certificate Authority when ordering your SSL Certificate. Next, we're going to install an SSL document on CentOS.

Install an SSL certificate on CentOS

Using the method beneath, you can install an SSL certificate on CentOS 7 & half-dozen.

  1. Download the primary and intermediate certificates that you've received from your SSL provider
  2. Re-create your SSL files to your Apache server. Make certain the .key file that y'all created along the CSR generation is also present on your server
  3. At present, yous demand to locate and edit the httpd.conf or ssl.conf file in the Apache configuration. Uses the "cp" and "nano" commands:
    # cp /etc/httpd/conf.d/ssl.conf /etc/httpd/conf.d/ssl.conf.BAK
    # nano /etc/httpd/conf.d/ssl.conf
  4. If one or more files are commented out, remove the # character from the starting line, and enter the absolute path according to your Apache version
    Apache versions older than the 2.4.eight release have the following directives and path:
    • SSL Document file – The path of your certificate file
    • SSLCertificate KeyFile – The path of your key file
    • SSLCertificate ChainFile – The intermediate bundle path.

    Apache version ii.4.8 and higher have the following directives and path:

    • SSL Document file – The path of your certificate file
    • SSLCertificate KeyFile – The path of your key file
    • SSLCertificate Path – The intermediate package path.
      Here's an instance of your certificates' absolute file path. You can copy-paste the code below, merely make certain to specify the correct names of your files.
      SSLCertificateFile /etc/httpd/conf/ssl.crt/your_leaf_certificate.crt SSLCertificateKeyFile /etc/httpd/conf/ssl.fundamental/your_domain_name.primal SSLCACertificatePath /etc/httpd/conf/ssl.concatenation/your_intermediate_chain.crt

      Notation : Remember to change the permission of the certificate fundamental file:
      # chmod 400 /etc/httpd/conf/ssl.key/your_domain_name.com.key

  5. Save your configuration and restart Apache to consummate the SSL installation.

CentOS History and Versions

CentOS stands for Community Enterprise Operating System, a Linux distribution that offers a complimentary, enterprise calculating platform to desktop computers, workstations, mainframes, and servers. The beginning CentOS version, released on May 14, 2022 was forked from Blood-red Hat Enterprise Linux (RHEL) version 2.1AS. CentOS stayed with RHEL until January 2022, when it officially joined Red Hat and became independent from RHEL.

The latest versions of CentOS, officially support only the x86-64 compages; however, AltArch releases besides include IA-32 compages. Listed below are all the major CentOS releases:

  • CentOS ii.1 – released on xiv May 2004. Supports IA-31 architecture
  • CentOS 3.one – released on xix March 2004. Supports IA-32, x86-64, IA-64, s390, s390x architectures
  • CentOS 4 – released on nine March 2005. Supports IA-32, x86-64, and various architectures
  • CentOS v – released on 12 April 2007. Supports IA-32, x86-64 architectures
  • CentOS 6 – released on x July 2022. Supports IA-32, x86-64 architectures
  • CentOS seven – released on 7 July 2022. Supports x86-64 architectures.

CentOS provides full updates merely for its latest versions, 7.0 and higher. CentOS version 6 receives merely maintenance updates, while other older versions are not supported anymore.

Where to buy an SSL Document for CentOS?

The best place to buy an SSL Certificate for your CentOS server is from a reputable SSL reseller such as SSL Dragon. Our prices are the lowest on the marketplace, but there are even more benefits. Nosotros offer regular discounts and peachy deals on all our SSL products, and above all, stellar customer support. All our certificates are compatible with CentOS, and you can e'er apply our helping tools such as SSL Wizard and Avant-garde Document Filter to detect the perfect SSL product for your project. We offer the following types of certificates:

  • Domain Validation
  • Business Validation
  • Extended Validation
  • Wildcard
  • Multi-Domain
  • Code Signing
  • IP Address
  • Email/Documents

SSL Dragon takes intendance of your sensitive information security, so your website or concern can thrive online!

If you find any inaccuracies, or you have details to add to these SSL installation instructions, please feel gratis to send us your feedback at [email protected]. Your input would be greatly appreciated! Thank you lot.