If you want to convert your website from HTTP to HTTPS, you need to get a SSL certificate from a valid organization like Verisign or Thawte. You can also generate self signed SSL certificate for testing purpose.

In this article, let us review how to generate private key file (server.key), certificate signing request file (server.csr) and webserver certificate file (server.crt) that can be used on Apache server with mod_ssl.

1. Vsphere Update Manager Setup Failed To Generate The Jre Ssl Keys

Key, CSR and CRT File Naming Convention

I typically like to name the files with the domain name of the HTTPS URL that will be using this certificate. This makes it easier to identify and maintain.

• Instead of server.key, I use www.thegeekstuff.com.key
• Instead of server.csr, I use www.thegeekstuff.com.csr
• Instead of server.crt, I use www.thegeekstuff.com.crt

Jul 08, 2009  You can also generate self signed SSL certificate for testing purpose. In this article, let us review how to generate private key file (server.key), certificate signing request file (server.csr) and webserver certificate file (server.crt) that can be used on Apache server with modssl. Key, CSR and CRT File Naming Convention.

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1. Generate Private Key on the Server Running Apache + mod_ssl

First, generate a private key on the Linux server that runs Apache webserver using openssl command as shown below.

The generated private key looks like the following.

Windows does not ship with software for generating SSH keys. Although many third party software packages can be used, this Lab Step uses PuTTYgen to generate SSH keys. Invoke PuTTYgen on your local Windows host. Leave the Parameters at their default values. (RSA keys, 2048 bits.) Click Generate. Move your mouse to the appropriate area of the window as directed. Ssh-keygen is a tool for creating new authentication key pairs for SSH. Such key pairs are used for automating logins, single sign-on, and for authenticating hosts. SSH Keys and Public Key Authentication. The SSH protocol uses public key cryptography. Oct 24, 2006  Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/idrsa): (It's safe to press enter here, as the /root/.ssh is the default and recommended directory to hold. Oct 05, 2007  To generate a pair of public and private keys execute the following command: ssh-keygen -t rsa -b 2048 You can use “dsa” instead of the “rsa” after the -t to generate a DSA key. The number after the -b specifies the key length in bits. After executing the command it may take some time to generate the keys (as the program waits for enough entropy to be gathered to. Generate rsa key pair for ssh. Generate RSA keys with SSH by using PuTTYgen. One effective way of securing SSH access to your cloud server is to use a public-private key pair. This means that a public key is placed on the server and a private key is placed on your local workstation.

2. Generate a Certificate Signing Request (CSR)

Using the key generate above, you should generate a certificate request file (csr) using openssl as shown below.

3. Generate a Self-Signed SSL Certificate

For testing purpose, you can generate a self-signed SSL certificate that is valid for 1 year using openssl command as shown below.

You can use this method to generate Apache SSL Key, CSR and CRT file in most of the Linux, Unix systems including Ubuntu, Debian, CentOS, Fedora and Red Hat.

4. Get a Valid Trial SSL Certificate (Optional)

Instead of signing it youself, you can also generate a valid trial SSL certificate from thawte. i.e Before spending the money on purchasing a certificate, you can also get a valid fully functional 21 day trial SSL certificates from Thawte. Once this valid certificate works, you can either decide to purchase it from Thawte or any other SSL signing organization.

This step is optional and not really required. For testing purpose, you can always use the self-signed certificate that was generated from the above step.

Go to Thwate trial certificate request page and do the following:

• Select “SSL Web Server Certificate (All servers)” under the “select your trial certificate”.
• Do not check the PKCS #7 check-box under the “configure certificate”
• Copy/Paste the *.csr file that you generate above in the textbox under “certificate signing request (CSR)”
• Click on next at the bottom, which will give you a 21-day free trial certificate.

Copy/Paste the trial certificate to the www.thegeekstuff.com.crt file as shown below.

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The Oracle GoldenGate Director software and installer both rely on components in the Java Runtime Environment (JRE). In many cases, this environment already exists because it was installed when the system was configured or when another program was installed. If the system where you are installing the server or client components does not have this environment, follow these instructions to download the JRE and verify the JRE environment on UNIX and Windows systems to support Oracle GoldenGate Director.

Note:

See System Requirements for the supported JRE versions.

Downloading the Java Runtime Environment

You can download the JRE free of charge from Oracle.

1. Go to http://www.oracle.com/technetwork/java/javase/downloads/index.html.

2. Under Java Platform, Standard Edition, select either the current release, or click Previous Releases to install an earlier supported version. You can use either the JDK or JRE. The JDK includes the JRE. Do not use any non-supported version or edition of the Java JRE or JDK.

3. Follow the navigation aids to download the JRE or JDK that is appropriate for your operating system.

4. Follow the installation instructions that are provided with the JRE.

5. Save the path to the JRE executable file. You will need it later.

6. Proceed to the instructions in Verifying the JRE Environment.

Verifying the JRE Environment

This section contains instructions for verifying the JRE environment on UNIX and Windows platforms.

Verifying the JRE on UNIX

After installing the JRE, run the following test to verify the version of Java that is recognized by the system.

1. From the command shell of the operating system, issue the following command.

2. Make certain the command output shows the version that you downloaded.

Verifying the JRE on Windows

After installing the JRE, but before installing Oracle GoldenGate Director Server, verify the path to the JRE by completing the following tasks:

Verify the JRE Version

These steps verify the JRE version that is installed on the server machine.

1. On the keyboard, press the Win (Windows) key and the R key simultaneously to open the Run box. Alternatively, you can select Start, then Run.

2. In the Run box, type cmd to run the Windows command console.

3. Issue the following command:

4. Do one of the following:

   • If the results show the JRE cversion that you installed, continue to the instructions in Installing Oracle GoldenGate Director Server.

   • If the results do not show that version, close the command console and continue with the steps in Set the JAVA_HOME System Variable.

Set the JAVA_HOME System Variable

These steps verify that the JAVA_HOME system environment variable points to the JRE that you installed, or creates the variable if absent.

1. On the desktop (Windows 2000) or in the Start menu (Windows XP), right-click My Computer and then click Properties.

2. Click the Advanced tab, and then click Environment Variables.

3. Under System Variables, look for the JAVA_HOME system variable. The JAVA_HOME path should point to the location that you recorded when you installed the JRE.

4. Do one of the following:

   • If you see the JAVA_HOME system variable and it points to the correct location, leave the Environment Variables dialog box open and follow the instructions in Set the JAVA_HOME System Path.

   • If a JAVA_HOME system variable does not exist, or if it points to the wrong location, continue to the next step.

5. Under System Variables, do one of the following:

   • Click New to create a JAVA_HOME variable.

   • Select the existing JAVA_HOME variable and then click Edit. This opens a dialog box to edit this variable.

6. In the Variable Name box, type JAVA_HOME in capital letters.

7. In the Variable Value box, type the correct path to the JRE.

8. Click OK to set the path and close the dialog box.

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9. Leave the Environment Variables dialog box open and follow the instructions in Set the JAVA_HOME System Path.

Set the JAVA_HOME System Path

These steps ensure that the JAVA_HOME path is in the expected location within the Path system variable. Programs such as the Oracle database software place the path to their own JRE installations in the location that is expected by Oracle GoldenGate Director Server.

Vsphere Update Manager Setup Failed To Generate The Jre Ssl Keys

1. In the Environment Variables dialog box, look for the Path variable under System Variables.

2. Confirm that the path to JAVA_HOME appears as the first path in the list of paths.

3. Do one of the following:

   • If this JAVA_HOME path is the first path in the string, close the Environment Variables and System Properties dialog boxes and follow the instructions in Installing Oracle GoldenGate Director Server.

   • If this JAVA_HOME path is not the first path in the string, continue to the next step.

4. Under System Variables, double click the Path variable to open it for editing.

5. In the path string, locate the JAVA_HOME path. If it is there, cut and paste it (including the terminating semi-colon) to the front of the list; otherwise, type it. The path must be entered as %JAVA_HOME%bin.

6. Click OK to close the Edit System Variable dialog box.

7. Close the Environment Variables and System Properties dialog boxes.