How to optimize image online in Linux?

linux

Online image optimization in Linux:

Image compression may have an interest in many situations. For example, while writing a web article in which we need compressed images to reduce the total weight of a web page. Image compression may also need while sending an email. For this it is worthwhile to know how to do it quickly from command line. So here we will see how to lighten images in PNG, JPEG/JPG format with various tools.

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Hyper-V Free Monitoring Tool

Veeam Task Manager for Hyper-V is a monitoring utility for a Hyper-V host and its virtual machines. The objective of this free tool is to provide a task manager that lets you to view the use of resource in real-time, both for the host and VMs it contains.

It approaches the task manager to Windows, and in my opinion it is more appropriate that the information provided in the Hyper-V Manager.

What you should know before downloading Veeam Task Manager?

Before you begin, you should know that it needs to be installed on a client computer, the application requires operating systems > Windows 7, Windows 8, Windows 8.1, Windows Server 2012, Windows Server 2012 R2.

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Automatically logoff a disconnected windows user

We come across with a query of automatically logging of a Windows user which is already disconnected. If you are also facing same issue, then check the following guidelines. Note: the steps for this starts from “Windows Group Policy”.

1) Log in to your Windows Server
2) Open “Group Policy” by running command through “Run” tab -> gpedit.msc
3) On the left side you will see “Administrative Templates” – Click on that option

disconnected windows user_1

4) On the right side there is “Windows Components” – Click on that file.
5) Now click on “Terminal Services”

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Linux process CPU usage monitoring

In this tutorial we will see how to collect CPU usage of a Linux process.

The main purpose behind this query is supervision or debugging. It would be convenient if you know how to retrieve CPU usage of a particular Linux process. It is often noticed people only check overall CPU usage on a machine, but don’t bother to analyze, which process is consuming more CPU time. Once they start focusing on which process consumes more CPU, then it will be helpful for them to optimize that process.

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Explore the Debian packages with Apt-file

Debian package management Apt-file to explore the Debian packages: when one uses only the command line on Linux, there are tools to have in your pocket, so apt-file for exploring the Debian packages (.deb) and finds a package according to a file. Here, we are going to see how to use it:

First we will see the installation and preparation of apt-file: Apt-file is simply installed on Debian via deposits, it will capture the following command.

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How to know playback speed of a hard drive with Debian?

Debian

Today, we will see a trick to calculate the playback speed of a hard drive, Linux and specifically with Debian in this tutorial. For this, we will rely on fdisk to list the hard drives, and hdparm for the calculation of performance.

First, we are going to see procedure with hdparm so let’s start by listing the drives on the machine with the following command:

fdisk -l | grep "Disque"

Note: the presence of two discs: sda and sdb. About md0 and md1 it is software RAID arrays present on the machine.

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How to create a Windows 8 VM quickly?

Use Convert-WindowsImage and create a Windows 8 VM quickly.

Written in PowerShell, Convert-WindowsImage is a tool to quickly create a Windows installation on a VHD virtual hard disk or VHDX, from a Windows installation ISO file.

This tool can be used from the command line or GUI, it’s your choice. No installation required since it’s a PowerShell script.

In terms of compatibility, it can be used in Windows 8, but is recommended for Windows 8.1 and Windows Server 2012 R2. Then you can work with the ISO Supported OS, specifically Windows 7 / Windows Server 2008 R2 and newer OS.

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How to use ifconfig under CentOS 7?

ifconfig As we all know that recently CentOS released a new version “7”, this new stable version has its own share of change and among them, the fact that the ifconfig control no longer present in the native system. So if you have old habits, then you may want to find this option in this newer version. And I am sure you probably not the only one trying to reinstall it on CentOS 7.

So the first question you may ask whether ifconfig is already available in the package?

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