Install Postman on Ubuntu 16.04/18.04/19.10/20.04

Postman install ubuntu

Postman is an application which is currently one of the most popular tools used in API development and testing. It helps you manage your APSs in every stage of development from designing and testing to publishing API documentation and monitoring. It is a very user-friendly interface for calling remote API. Prerequisites Make sure you having Sudo privileges while installing this application. If you are running on Ubuntu 16+ or late, including Ubuntu 18+, Ubuntu 19+ and Ubuntu 20+, you don’t need to do anything. Snap is already installed and ready…

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how to integrate keycloak with Zabbix for SSO (SAML)

Hi All, this document shows you how to integrate keycloak with Zabbix for SSO. Zabbix is an open-source monitoring software tool for diverse IT components, including networks, servers, virtual machines, and cloud services. Zabbix provides monitoring metrics, among others network utilization, CPU load, and disk space consumption. Keycloak is an open-source software product to allow single sign-on with Identity Management and Access Management aimed at modern applications and services. As of March 2018, this JBoss community project is under the stewardship of Red Hat who uses it as the upstream…

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how to configure SMTP in keycloak

Hi All, this document deals with how to configure SMTP in keycloak. Keycloak is one of the best opensource tools for SSO authentication. It’s essential to configure SMTP in keycloak applications so that the application can send emails to users when users request for forgot password, Profile information, etc. Keycloak supports SMTP configuration for each realm. Step 1: Select the realm which you need to configure SMTP. Step 2: Select Email from Realm settings. Step 3: Configure the SMTP settings as below. Below configuration for office365 Click on the Test…

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how to wipe your system data secure

linux basic

HI all, this document helps you how to wipe your system data secure. There are certain cases you need to sell or decommission HDD. Sometimes you might have stored some important data in the disk. So before that, you might need to wipe the data securely. So here we are using random digits which writes on the disk. Here is the step which I have followed before reselling my laptop. 1. Boot the live CD 2. Select try ubuntu while booting rather than installing 3. Once ubuntu is fully loaded,…

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Proxy vs Reverse proxy

Hi All, this document deals with Proxy vs Reverse proxy. I know a lot of beginners won’t have an idea of what is the difference between a proxy and reverse proxy. I hope this simple piece of document will help you to clear out the confusion. Proxy Look into the below topology diagram. Proxy is a server installed with any proxy software (ex: squid ) where all the client requests will route through the proxy server. Whenever a client connects to a proxy server either by any application or network…

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how to set up a keycloak server in Linux

Hi All, this document shows you how to set up a keycloak server in Linux. Keycloak is an open-source software product to allow single sign-on with Identity Management and Access Management aimed at modern applications and services. As of March 2018, this JBoss community project is under the stewardship of Red Hat who uses it as the upstream project for their RH-SSO product. Prerequisites * Java 1.8 running on the Linux server. If not installed check this link Setup Java 8 in Linux machine. * Working Nginx server. Installation Step…

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How to convert PFX to separate .key/.crt file

PFX to crt and key

In this article, we will see the commands used to convert.PFX certificate file to separate certificate and key file. Check OpenSSL package is installed in your system. Step1: Go to the .pfx folder location. Now type the below command to extract the private key from pfx file. The explanation for this command, this command extract the private key from the .pfx file. Now we need to type the import password of the .pfx file. This password is used to protect the keypair which created for .pfx file. After entering import…

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reset mongodb password

  Hi Techrunnr, this document deals with reset password and authentication setup of mongoDB, this document helps you to work with when you forget mongodb user (include super user too) credentials For MongoDB authentication setup please go through the our blog link: https://www.techrunnr.com/mongodb-create-user-authentication-setup-and-mongo-dump/ To reset the mongodb authentication setup, first we need to edit the mongod.conf file, authentication setup block looks like as shown below Now we need to disable this authentication setup Restart the mongod service Now login to mongodb, and create a super user or else a normal…

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htpasswd with Nginx

nginx

  Hi All, this document deals with the web page security using  Prerequisites we use this is found in the apache- package Now we create a password file, for the first time we need to use -C option to create the specified file, We mention the user name at the end of the command, it will prompt to enter password If you want to add another new user then remove -c Now we are going to mention the file into the configuration, mention the file location as show below (In…

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Grafana reverse proxy setup with Nginx

Hi Techrunnr, this document deals with Grafana reverse proxy setup  Prerequisites Check the Nginx status Now we are going to edit the configuration file (/etc/nginx/nginx) to the reverse proxy, Remember that Grafana runs on port number: 3000, set up reverse proxy add below lines to the file Now start the , and open to http://localhost:3000 It should be straight forward to and running behind , but you need make some changes in the serverdomain block in configuration file (/etc//grafana.ini) Restart the   Now start the Service (If already service is…

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