Tutorials

How to Use journalctl to Analyze Logs in Linux

Systemd is the default system manager in all major Linux-based operating systems. It provides a journald daemon that handles all messages produced by the kernel and system services. The journald daemon collects data from all available sources and stores them in a binary format for easy and dynamic manipulation. Systemd provides a command-line tool called journalctl that can be used to read and analyze journal logs. journalctl allows you to analyze and monitor the logs in real-time.

In this guide, we will show you how to use journalctl to analyze logs in Linux.

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How to Install Discourse Forum on Debian 10 with Nginx and Let’s Encrypt

Discourse is open-source forum software written in Ember.js and Ruby on Rails. You can build your own online discussion forums and chat rooms using Discourse. Discourse is mostly used by gamers to create content accessible by the community. It is used by many companies including New Relic, Cloudflare, and Docker to power their communities. Discourse offers a rich set of features including dynamic notifications, infinite scrolling, powerful moderation, spam blocking, two-factor authentication, a comprehensive API, and many more.

In this post, we will explain how to install Discourse Forum with Docker on Debian 10.

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How to Control System Resource Usage with ulimit in Linux

Ulimit is a command-line utility in a Linux-based operating system used to allocate and limit resources. You can use it to control resources at the global, group, and user levels. Setting the right limits will make your system works optimally. You can use ulimit to set restrictions on the resources used by a process so that only important processes on your servers can keep running.

In this post, we will show you how to control system resource usage with ulimit in Linux.

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How to Install and Use Mosh Command Line Tool Linux

Mosh, also known as “Mobile Shell,” is a command-line tool used for connecting remote Linux servers. Mosh is optimized for mobile working. It allows roaming, supports intermittent connectivity, and provides intelligent local echo and line editing of user keystrokes. Mosh is an alternative to SSH and provides more features than Secure Shell. It is available for all major operating systems including Linux, FreeBSD, Solaris, Mac OS X, and Android.

In this post, we will show you how to install and use Mosh command-line tool on Linux.

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How to Install Tig Git Repository Browser on Ubuntu 20.04

Hitesh Jethva April 30, 2021 by under Tutorials, VPS Hosting 0 Comments

Tig is a Ncurses-based and command-line Git repository browser. It supports various operating systems including Linux, macOS, and Windows. Tig provides an easier way to interact with Git and staging Git commits. It provides a rich set of features. Some of them are listed below:

  • Displays the list of stashes
  • Displays the changes for a single file
  • Allows to browse the commits in the current branch
  • Compares two branches
  • Displays the commits for one or more specific branches

In this post, we will show you how to install and use the Tig git repository browser on Ubuntu 20.04.

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How to Install OpenMAINT on Ubuntu 20.04

Hitesh Jethva April 28, 2021 by under Tutorials, VPS Hosting 0 Comments

OpenMAINT is an open-source CMMS (Computerized Maintenance Management System) application used for managing movable assets including plants, technical devices, furniture, etc. It is designed to manage and streamline maintenance processes at all scales and across all industries. It is implemented on the open-source asset management framework CMDBuild. OpenMAINT comes with powerful tools including dashboards, inventory control, reports, and tracking and history records. You can also customize it according to the needs of the organization.

In this post, we will learn how to install OpenMAINT on Ubuntu 20.04.

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How to Install ClickHouse on Ubuntu 20.04

Hitesh Jethva April 27, 2021 by under Tutorials, VPS Hosting 0 Comments

ClickHouse is a free, open-source, fast OLAP database management system used to generate analytical reports using SQL queries in real-time. It is column-oriented and has other important characteristics like user-friendliness, scalability, and security. It stores records in blocks grouped by columns instead of rows. Compared to row-based systems, column-oriented databases spend less time reading and computing the data.

In this post, we will show you how to install and ClickHouse on Ubuntu 20.04 server.

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How to Upgrade Ubuntu 20.04 to Ubuntu 21.04

Hitesh Jethva April 26, 2021 by under Tutorials, VPS Hosting 0 Comments

The new Ubuntu 21.04 (Hirsute Hippo) has been released on 22 April 2021. Ubuntu 20.04 is long-term support and it will be supported for 5 years. Ubuntu 21.04 is not a long-term support release, meaning it will be supported until January 2022 (9 months).

Before upgrading to Ubuntu 21.04 version, you should be aware of the following things:

  • The upgrade process will download a couple of GBs of data, so you will need a good internet connection.
  • It is always recommended to backup your important files to an external hard disk.
  • After upgrading to a newer version, you can revert to the older version.
  • Upgrading to a newer version will disable the third-party repositories that you have added on your own.

In this post, we will show you how to upgrade Ubuntu 20.04 to Ubuntu 21.04.

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How to Install Socioboard on Ubuntu 20.04

Hitesh Jethva April 13, 2021 by under Tutorials, VPS Hosting 0 Comments

Socioboard is a free, open-source social media management tool used for managing multiple social media channels from a central dashboard. It is used by small and medium-sized businesses for lead generation, marketing, customer support, and automated engagement. It comes with a rich set of features including advanced scheduling & publishing tools, social CRM tools, customizability, scalability, customer support, Helpdesk integration, and more.

In this post, we will show you how to install Socioboard with Apache on Ubuntu 20.04.

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How to Install EteSync Server on Ubuntu 20.04

Hitesh Jethva April 12, 2021 by under Tutorials, VPS Hosting 0 Comments

EteSync is a free, open-source, and end-to-end tool used to sync your contacts, calendars, tasks, and notes. It can be easily integrated with your existing apps. You just need one password for login and encryption. EteSync has the ability to share data with other users and synchronization between multiple devices. It also provides an add-on for Mozilla Thunderbird and a client for Web, Desktop, Android, and iOS.

In this post, we will show you how to install EteSync on Ubuntu 20.04 server.

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