Install Development Tool on CentOS and Debian Rumi, June 17, 2022 Well, in my working domain I face these tools to be installed, so that most of the dependent tools or programs that need to be deployed later don’t face much of dependency issue. So here goes the installation process for both the OS. On CentOS/RHEL system use the follwoing command (either one of it would work)- Type the following yum command as root user: # yum group install "Development Tools" OR $ sudo yum group install "Development Tools" If above command failed, try: # yum groupinstall "Development Tools" On Debian or Ubuntu System use following command- sudo apt update sudo apt install build-essential Related Configurations (Linux) Networking CentOSDebianDevelopment ToolsUbuntu
Revoking Lets Encrypt Certificate properly 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… Read More
Recover web gui access of Elastic 2.4.0 October 28, 2023October 28, 2023 Just in case if anyone still using the veeery old and legacy Elastix box (2.4.0) and forgot its web GUI console password, here’s the trick to get this sorted. /usr/bin/sqlite3 /var/www/db/acl.db “UPDATE acl_user SET md5_password = ‘`echo -n newpassword|md5sum|cut -d ‘ ‘ -f 1`’ WHERE name = ‘admin'” Voila! Related Read More
Observium Unix Agent May 25, 2020 All Agent data is pulled in one TCP connection during the unix-agent module. The module populates an $agent_data array which can be used by other modules. For example: $agent_data = [‘app’] => [‘apache’] => … DATA … [‘bind’] => … DATA … [‘other’] => … DATA … Installation The preferred method of… Read More