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Linux systems rely on a multitude of services to perform a wide range of tasks, from networking and security to system monitoring and application support. In this comprehensive guide, we will delve into the heart of Linux service management, demystifying the process of checking whether a service is enabled on your Linux system. Understanding systemd …

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The systemctl command is a powerful tool in Linux systems that serves as the interface to control and manage the systemd init system. It is a central component responsible for initializing, managing, and maintaining various system processes and services during the boot process and while the system is running.  With systemctl, users can start, stop, …

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The error message “wget: command not found” is a common response you may encounter when attempting to run the wget command in your terminal or command prompt. This error occurs when the system cannot find the wget command because it is not installed or not available in the system’s PATH.. Here’s what the error message …

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The error “Unable to locally verify the issuer’s authority” means wget cannot verify the SSL certificate of the website you’re trying to connect to. This usually happens when wget doesn’t have access to the necessary CA certificates to verify the website’s certificate. Here are a few possible ways to resolve the issue: Install/Update the CA …

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Network command in Linux Command Description ifconfig Display network interface configuration. ip addr Show IP addresses and network interfaces. ip route Display the routing table. ping Test network connectivity to a host. traceroute Trace the route packets take to a host. netstat Show network statistics and connections. ss Similar to netstat, show socket statistics. nslookup …

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In the realm of IT automation, Ansible has emerged as a powerful tool for streamlining various administrative tasks. Among these tasks, user management stands out as a common and often repetitive process. Ansible provides two primary approaches for creating users: ad-hoc commands and playbooks. This article aims to shed light on both ad-hoc commands and …

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The error message “curl: (60) SSL certificate problem: unable to get local issuer certificate” typically indicates a problem with the certificate of the server you’re trying to connect to or the certificate chain leading up to a trusted certificate authority. To establish a secure connection, curl tries to verify the server’s certificate against a list …

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