System
Showing 10 Result(s) from page 1 of 2 from a result set of 11
This article provides a comprehensive guide on managing processes in Ubuntu by finding and killing them using their names via the terminal. It covers essential techniques such as utilizing `ps`, `pgrep`, and `grep` to locate specific processes, and employs commands like `kill`, `pkill`, and interactive tools like `top` and `htop` for terminating these processes. The guide emphasizes best practices, including graceful termination methods before resorting to forceful measures, ensuring system stability and resource management efficiency.
Last Modified: 22/05/2019 - 02:27:36
This article provides guidance on listing all running processes in Ubuntu using various command-line tools such as `ps`, `top`, `htop`, and `pgrep`. Effective process management is crucial for system administrators or power users, enabling them to diagnose performance issues, manage resources efficiently, and enhance security. The commands offer different levels of detail, from static snapshots with `ps` to real-time monitoring with `top` and `htop`, which also supports interactive features like filtering and killing processes directly. Additionally, `pgrep` allows for searching processes based on name patterns, making it a powerful tool for advanced process management in Ubuntu systems.
Last Modified: 22/05/2019 - 08:31:04
This article provides a comprehensive guide on restarting services via terminal commands in Ubuntu using the `systemctl` tool. It explains how to manage background processes known as daemons, which are essential for system operations like network management or application startups. The guide covers identifying service names, checking their status, and performing restarts with `sudo systemctl restart <service_name>`. Additionally, it touches on troubleshooting tips such as reviewing logs with `journalctl` when services fail to start correctly, and provides examples of restarting a typical SSH service using both `systemctl` and the deprecated `service` command. The article emphasizes the importance of these skills for system administrators in maintaining stable Linux environments.
Last Modified: 22/05/2019 - 14:09:18
This guide explains how to stop services on an Ubuntu system using terminal commands, focusing on both Systemd (default since Ubuntu 15.04) and older management tools like Upstart or SysVinit. It covers essential commands such as `systemctl` for starting, stopping, restarting, reloading configurations, and checking service statuses under Systemd, alongside similar instructions for managing services with `service` in SysVinit systems. The article also includes troubleshooting tips to address dependency issues and check logs for errors when services fail to stop properly. It emphasizes the importance of having sudo privileges and cautioning users about potential impacts on system stability and availability when stopping critical services.
Last Modified: 22/05/2019 - 20:40:40
This article explores the concept of services in Ubuntu, a crucial aspect of Linux system administration. Services are background processes that provide essential functionalities such as network management, web hosting, and hardware interfacing, ensuring system stability and application communication. The article details how services operate, their importance, and methods for managing them using command-line tools like `systemd`, including starting, stopping, and configuring services at boot-up or shutdown. It also provides examples of common services like SSH, Apache, MySQL, Postfix, and Cron, underscoring the need for understanding service management to optimize system performance and security in Ubuntu environments.
Last Modified: 23/05/2019 - 02:09:54
This article delves into the concept of processes in Ubuntu, explaining their role and operation within the Linux environment. A process is an instance of a program executing on the system, characterized by a unique identifier (PID), parent-child relationships, and various states like running or sleeping. The `systemd` framework manages processes during startup and shutdown sequences, while commands such as `ps`, `top`, and `kill` allow for their manipulation. Understanding these processes is crucial for effective system management and performance tuning in Ubuntu.
Last Modified: 23/05/2019 - 08:38:41
This article provides a comprehensive guide on configuring services to start automatically at system boot using systemd in Ubuntu. It covers the role of systemd in service management, checking if a service is enabled for startup, enabling or disabling services with `systemctl`, troubleshooting common issues like misconfigured files and dependency problems, and securing your system by minimizing permissions and keeping packages updated. By following these steps, users can ensure critical applications are ready as soon as their Ubuntu machine boots up, enhancing both efficiency and reliability.
Last Modified: 23/05/2019 - 14:33:04
This article outlines various methods for listing all running services on an Ubuntu terminal, focusing on commands like `ps`, `systemctl`, `top`, and `service`. It explains how to use `systemctl` to get a clear list of active services and manage them directly from the terminal, such as stopping or restarting specific services. Additionally, it covers using older methods for systems that haven't adopted systemd, examining log files with `journalctl`, and real-time monitoring with `top`. Each method provides different insights into system processes, helping users effectively monitor and manage their Ubuntu environment.
Last Modified: 23/05/2019 - 20:37:47
This article provides guidance on monitoring and managing services running on an Ubuntu system via the terminal using `systemctl`. It highlights the importance of ensuring that critical services are active to maintain system stability and security. The piece covers how to use `systemctl` commands for tasks such as starting, stopping, restarting, and checking the status of services like Apache, MySQL/MariaDB, and SSH. By following detailed instructions and interpreting output from these commands, users can effectively manage their Ubuntu systems' health and troubleshoot issues efficiently.
Last Modified: 24/05/2019 - 02:28:38
This article discusses the implementation of cron jobs on Ubuntu, a time-based scheduling utility that allows users to run scripts or commands at specified intervals for automating tasks like backups and server maintenance. Cron is pre-installed on Ubuntu; to ensure it's running, use `sudo systemctl start cron` and `sudo systemctl enable cron`. Users can edit their crontab file with `crontab -e`, where they define job schedules using a specific syntax indicating minute, hour, day of the month, month, and day of the week. For example, to run a backup script daily at midnight, add `0 0 * * * /home/user/scripts/backup.sh`. The article also covers advanced features such as setting environment variables, disabling email notifications for cron jobs, and testing configurations before deployment. Mastering cron is crucial for efficient task automation in Ubuntu systems.
Last Modified: 24/05/2019 - 08:12:19