Linux Tutorials on the topic “opensuse”
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How to change the Swappiness of your Linux system
Author: Bill Toulas • Tags: arch linux, centos, debian, fedora, kernel, linux, mandriva, opensuse, pclinuxos, raspbian, suse, ubuntu • Comments: 20 • Updated: Apr 02, 2021Swappiness is the kernel parameter that defines how much (and how often) your Linux kernel will copy RAM contents to swap. This parameter's default value is “60” and it can take anything from “0” to “100”. The higher the value of the swappiness parameter, the more aggressively your kernel will swap.
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How to use grep to search for strings in files on the shell
Author: Srijan Kishore • Tags: centos, debian, linux, opensuse, shell, ubuntu • Comments: 9 • Updated: Feb 11, 2021The grep command, which means global regular expression print, remains amongst the most versatile commands in a Linux terminal environment. It happens to be an immensely powerful program that lends users the ability to sort input based on complex rules, thus rendering it a fairly popular link across numerous command chains. The grep command is primarily used to search text or search any given file for lines containing a match to the supplied words/strings.
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How to search files from the Terminal on Linux
Author: Bill Toulas • Tags: centos, debian, fedora, linux, opensuse, shell, suse, ubuntu • Comments: 8 • Updated: Oct 08, 2019While there are many ways with which we can search and locate files and directories on Linux, the easiest and quickest is probably through the terminal. However, not many Linux users know about that, which leads to unneeded frustration. Here is a quick guide that will hopefully help you locate what you're looking for in your system.
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Configure Postfix to use Gmail as a Mail Relay
Author: Neil Golden • Tags: centos, debian, email, fedora, freebsd, linux, opensuse, server, suse, ubuntu • Comments: 55If you have a Gmail account, you can configure your MTA to relay outgoing mail through Gmail. This gives you the benefit of Gmail's reliability and robust infrastructure, and provides you with a simple means of sending email from the command line. In this tutorial, we will use Postfix as our MTA. Postfix is a free, open-source, actively maintained, and highly secure mail transfer agent.
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How to add GitHub and Docker custom items to ONLYOFFICE
Author: Daria •
Tags: centos, debian, linux, opensuse, ubuntu •
Comments: 0 ONLYOFFICE is an open source solution that combines powerful online document editors and broad collaborative capabilities: mail and chat, blogs, forums, CRM, projects, calendar, and more. ONLYOFFICE Community Server is the collaborative system distributed under the GNU Affero General Public License.
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How to use the Linux ftp command to up- and download files on the shell
Author: David Duarte •
Tags: centos, fedora, linux, opensuse, shell, suse, ubuntu •
Comments: 16 In this tutorial, I will show you how to use the Linux ftp command on the shell. I will show you how to connect to an FTP server, up- and download files and create directories. While there are many nice desktops FTP clients available, the ftp command is still useful when you work remotely on a server over an SSH session and e.g. want to fetch a backup file from your FTP storage.
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How to install pandom: a true random number generator for Linux
Author: Oliver •
Tags: centos, debian, fedora, linux, opensuse, security, suse, ubuntu •
Comments: 1 This tutorial explains how to install pandom: a timing jitter true random number generator maintained by ncomputers.org. The built-in Linux kernel true random number generator provides low throughput under modern circumstances, as for example: personal computers with solid state drives (SSD) and virtual private servers (VPS). This problem is becoming popular in Linux implementations, because of the continuously increasing need for true random numbers, mainly by diverse cryptographic purposes.
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How to let users securely edit files using sudoedit on Linux
Author: Himanshu Arora •
Tags: centos, debian, fedora, linux, opensuse, shell, ubuntu •
Comments: 5 Suppose you are a system administrator in a company where teams mostly work on Linux with limited privileges. Now imagine a situation where members of one of the teams - as part of some new work - need to frequently edit a file that requires superuser privileges. What would you do?
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How to perform pattern search in files using Grep
Author: Himanshu Arora •
Tags: centos, debian, fedora, linux, opensuse, shell, ubuntu •
Comments: 1 This article focuses on some advanced features of the grep command like case insensitive search, displaying certain non-matched lines with line containing matched string, print matched strings in grep, and to display the position of a match in grep.
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How to access shell or run external commands from within Vim
Author: Himanshu Arora •
Tags: centos, debian, linux, opensuse, shell, ubuntu •
Comments: 2 Vim, as you might already know, is a feature-packed and powerful editor. In this tutorial, we will focus on how you can execute external commands as well as access the command line shell from within the editor window.
