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Send E-Mail On Redhat / CentOS with SMTP (SMTP Relay)
In this tutorial we will send email with mailx and using external SMTP server for email sending from CentOS/Redhat Install mailx yum -y update yum install -y mailx We can now start sending e-mails using create a symbolic link ln -s /bin/mailx /bin/email Set an External SMTP Server to Relay E-Mails vi /etc/mail.rc edit set […]
Firewalld Cheat Sheet
Notes and Tips To list all services firewalld is aware in an easy to read format use command firewall-cmd –get-services | tr ” ” “\n” Default firewalld service .xml files can be found under /usr/lib/firewalld/services For all commands that support the –zone= option if no zone is provided it will use the default zone. To make changes persistent add […]
Install Terraform on CentOS Using Package Repository
The HashiCorp repository contains other non-Terraform packages that will be available for installing after you add the repository. Follow the steps to install Terraform from the official HashiCorp repository on a CentOS system. 1. Install the yum-utils tools: sudo yum install -y yum-utils 2. Add the HashiCorp repository: sudo yum-config-manager –add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo 3. Finally, install Terraform using […]