The main motivation behind the creation of AlmaLinux was to be a viable replacement for CentOS Linux at the time of its shift from an enterprise-stable operating system to an upstream development branch of RHEL. Now that AlmaLinux is released, […]
ZoneMinder repo For CentOS/RHEL/SL Installation instructions for ZoneMinder development rpms on EL8 distributions (x86_64 and aarch64 architectures) sudo dnf install epel-releasesudo dnf install –nogpgcheck https://mirrors.rpmfusion.org/free/el/rpmfusion-free-release-8.noarch.rpmsudo dnf install dnf-plugins-coresudo dnf config-manager –set-enabled powertoolssudo dnf install –nogpgcheck […]
AlmaLinux or Rocky’s official repository doesn’t offer all packages we need to install various common software. Hence, to get the packages and dependencies to set up various third-party applications there is a repository called EPEL- Extra […]
SSH is the primary method of remote access and administration on Linux systems. SSH is a client-server service providing secure, encrypted connections over a network connection. After installing AlmaLinux or migrating from CentOS to AlmaLinux, […]
Repair a computer’s corrupted domain trust relationship with PowerShell, no restart required. What causes a domain computer to lose its trust relationship? If you’ve been working in an Active Directory environment long enough, you are […]
Email Anti-Spam filtering and DNSBL All modern mail servers have a “DNSBL” feature (sometimes called “RBL Servers” or “Blacklist”). A DNSBL is a “Domain Name System Block List”: A list of IP address ranges or […]
Install Specify the internal SMTP servers in your organization To see Detailed information Use the Exchange Management Shell to enable or disable content filtering Use the Exchange Management Shell to enable or disable content filtering […]
Antispam protection in Exchange Server (2013, 2016 & 2019) Spammers, or malicious senders, use a variety of techniques to send unwanted email into your organization. No single tool or process can eliminate all spam. However, […]
Introduction This guide explains how to create SSH keys pair (on the client side) on a Microsoft Windows Desktop with the popular PuTTY terminal emulator suite of applications. Once create and setup, the client SSH […]
Introduction This guide explains how to create SSH keys, add the public key to your CentOS 8 server, and configure sshd for passwordless login. The IP address 1.2.3.4 is the server address in this example. […]
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