Install Ajenti on Debian 9.8

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Today, we are going to learn how to install Ajenti on Debian 9.8. Ajenti is a web based control panel that provides a GUI framework for managing Linux systems remotely. In our previous guides, we covered similar installations about webmin, guacamole, NoMachine which you can read by following the links below; Installing Webmin Web-based Linux System Administration Tool Fedora...

Delete Lines Matching Specific Pattern in a File using VIM

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This guide will take you through how to delete lines matching specific pattern in a file using VIM. Linux system admins work with files day in day out. At some point, you may want just to delete lines matching a specific pattern or a string in a file. There are quite a number of tools out there that you...

Enable MSSQL Server and Database Level Auditing

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This guide describes how to enable MSSQL server and database level auditing. Database auditing basically involves capturing and  monitoring database activities. The server-level audit involves server operations, such as management changes and logon and logoff operations while database level auditing involves actions such as data manipulation languages (DML) and data definition language (DDL) operations. Enable MSSQL Server and Database Level...

Install OCS Inventory Agent on Debian 10/Ubuntu 18.04

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Once you have setup your OCS Inventory server, you can now add agents for managing. In this guide, we are going to learn how to Install OCS-NG Inventory Agent on Debian 10/Ubuntu 18.04. Learn how to setup OCS Inventory server on Fedora 30/Fedora 29 by following the link below; Install OCS Inventory on Fedora 30/Fedora 29 Install OCS Inventory Agent on Debian...

Monitor Linux Hosts using Nagios check_by_ssh Plugin

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Monitor Linux Hosts using Nagios check_by_ssh Plugin
Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This enables Nagios Server to monitor system metrics and services on remote Linux server using SSH. We have covered various guides on Nagios Monitoring in our previous articles; Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM How to Install Nagios Plugins and NRPE agents on CentOS...

Configure SSH Public Key Authentication in Linux

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This guide presents the simplest way of how to configure SSH public key authentication in Linux server. Logging in to a system via SSH public key is more secure as compared to password authentication. In our previous guide, we discussed how to disable SSH password login for specific users. Note that when you disable password authentication for user, the...

Disable SSH Password Login for Specific Users in Ubuntu 18.04

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Today, we are going to learn how to disable ssh password login for specific users in Ubuntu 18.04. In our previous guide, we learnt how to allow or deny specific users to login via SSH in Ubuntu 18.04. Disable SSH Password Login for Specific Users in Ubuntu 18.04 If you need to disable ssh password login for specific users in Ubuntu...

Install OCS-NG Inventory on Fedora 30/Fedora 29

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In this guide, we are going to learn how to install OCS-NG Inventory on Fedora 30/Fedora 29. OCS (Open Computer and Software) Inventory Next Generation is an opensource tool that is used to inventory IT assets. It is deployed in a agent-server architecture where an an OCS NG agent is installed on an asset to be inventory to collect...

Allow/Deny Specific Users to Login via SSH on Ubuntu 18.04

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Hello there, today we are going to learn how to allow/deny specific users to login via SSH on Ubuntu 18.04 system. Allow/Deny Specific Users to Login via SSH on Ubuntu 18.04 Allow Specific Users to Login via SSH on Ubuntu 18.04 In order to allow specific users or a specific group of users to login to an Ubuntu 18.04 system via...

How to Set System Wide Proxy in Ubuntu 18.04

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In this guide, we are going to learn how to set system wide proxy in Ubuntu 18.04. Imagine you are in a local network environment where access to the Internet is also possible when you are going through a proxy server. Well, in this guide we are gonna learn how to configure system wide proxy settings on your Ubuntu...