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Tag: Letsencrypt

Auto-renew Let’s Encrypt SSL certificates using crontab

Rumi, November 8, 2024

The achieve this, all we need to do is add a new crontab which will trigger the certbot at a certain time in a day to check the expiry date of your SSL certificates and take care of the renewing it. 1. Configure the crontab (Make sure to use sudo so that root crontab can be…

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Install LetsEncrypt on Debian with Nginx Server

Rumi, June 30, 2024

Install Certbot and its Nginx plugin with apt: sudo apt install certbot python3-certbot-nginx Certbot provides a variety of ways to obtain SSL certificates through plugins. The Nginx plugin will take care of reconfiguring Nginx and reloading the config whenever necessary. To use this plugin, type the following: sudo certbot –nginx -d…

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Nginx with Let’s Encrypt on Debian 10

Rumi, March 23, 2024

Step 1 — Installing Certbot The first step to using Let’s Encrypt to obtain an SSL certificate is to install the Certbot software on your server. Installing the python3-certbot-nginx package from the Debian repositories will allow us to install and use Cerbot’s nginx plugin. Working with Python 3 and the…

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Zimbra Let’s Encrypt auto-renew SSL

Rumi, January 26, 2023

Required for this script to work is certbot package installed on email server and sudo rights to add script in crontab. You can add script in crontab at a weekly run like this: 0 0 * * 0 root /path_to_script. #!/bin/bash #Set domain for renew (in format openthreat.ro) DOMAIN=”” certbot…

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Zimbra Let’s Encrypt SSL Script

Rumi, December 28, 2022

#!/bin/bash -x # SSL certificate installation in Zimbra # with SSL certificate provided by Let’s Encrypt (letsencrypt.org) # Check if running as root if [ “$(id -u)” != “0” ]; then echo “This script must be run as root” 1>&2 exit 1 fi read -p ‘letsencrypt_email [mail@server]: ‘ letsencrypt_email read…

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Revoking Lets Encrypt Certificate properly

Rumi, August 14, 2020

When you want to learn how to revoke Let’s Encrypt SSL/TLS certificates, follow the steps below: Step 1: Validate Certificate file Before you revoke a certificate, you’ll want to validate that the correct certificates and key file you’re revoking.. since there is no reversal.. Once a certificate is revoked, it…

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SOLVED Debian Wheezy Letsencrypt error /opt/eff.org/certbot/venv/bin/python: No module named pip.__main__; ‘pip’ is a package and cannot be directly executed

Rumi, May 10, 2019

My case and solution: Debian 7.11 wheezy python2.7 python-pip NOT installed My steps: #ln -fs /usr/lib/python2.7/plat-x86_64-linux-gnu/_sysconfigdata_nd.py /usr/lib/python2.7/ #wget https://raw.githubusercontent.com/certbot/certbot/75499277be6699fd5a9b884837546391950a3ec9/certbot-auto #chmod +x ./certbot-auto #certbot-auto renew –no-self-upgrade it download some files and works fine. Src: https://github.com/certbot/certbot/issues/6824

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Zimbra Letsencrypt SSL Renew – Zimbra 8.6

Rumi, September 1, 2018

Let’s Begin: This works if you already have an expired letsencrypt ssl certificate and assuming you have already deployed SSL in you zimbra system. However, if you come up here already, and would like to know how to setup letsencrypt on your system you may read my other article here:…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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