Exporting SSL certificates of a website

Exporting a SSL certificate can be a rather challenging if you are a mac user since the browsers such as chrome does not provide that option. Instead you can only view the certificate.

This is the work around I found.

command - echo -n | openssl s_client -connect www.linkedin.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /Users/dinukshakandasamanage/Documents/$SERVERNAME.cert

echo -n gives a response to the server, so that the connection is released.

This will save the certificate to /Users/dinukshakandasamanage/Documents/$SERVERNAME.cert. You can define the path you want the certificate to be saved.

sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' will extract only the necessary content that is preferred by the key stores.

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Admin panel of a Q & A Forum

In a Q & A Forum, when a user posts a question, it should be sent to the administrator for approval in case it contains inappropriate content. After approval it should be removed from this pending approval page and other users should be able to see the question afterwards. To enable this, we should maintain an approval column in our database table of records and for each record approval should be set to false by default. In the Pending approvals page only the records with approval=false should be displayed. Below is the MySQL statement for retrieval, $sql="SELECT * FROM topics WHERE approval=false"; To know which post was approved we should embed the post_id to the URL. And the relevant post should be updated as approval=true. Below is the complete code. <?php $sql="SELECT * FROM topics WHERE approval=false"; $query=mysqli_query($conn,$sql); echo '<form name="approve" method="p...

Fixing 'java RMI - ConnectException: Operation timed out' in WSO2 Enterprise Integrator 6.4

If you ever come across the below exception when running WSO2 Enterprise Integrator 6.4, here is the fix. This error occurs when you have multiple IP addresses from different networks configured in your etc/hosts as below. 10.xxx.x.xxx localhost 192.xxx.x.xxx localhost So simply, removing the unnecessary one and leaving the one of the network that you are currently connected to should resolve this issue. 10.xxx.x.xxx localhost

Student Information System - Java (SLIIT - ST2 PROJECT)

Student Information System (Github Project) This system is developed in Java and mySQL as a group project by me and 3 other members during a period of 1 month. The system allows the administrator to, enroll students to the system update enroll information add/update course and degree program details generate reports create exams and edit relevant information calculate gpa of the relevant exam assign lecturers to courses add lecturers/update details Lecturers to, assign course grades view their feedback generate reports view student / course / degree program details Students to, view their profile view their grading information give feedback to lecturers view lecturer / course / degree program details and other features. Below are some interfaces of the project. (Splash Screen) (Login) (Admin View) (Student Re...

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