Rubric: Notebook

A number of users of smartphones running on the Android OS can detect the “Launcher 3” program installed on their device. This application can be pre-installed on the smartphone, or in any other way get on the phone - the fact is that the user does not know anything about the functionality of this program, and would like to know more about it. In this material, I will tell you, Launcher 3, what this program is on Android, what are the specifics of its work, and also explain how to remove it from your device.

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Looking through the contents of your hard drive, many users may encounter a folder called “Recycle.bin”. At the same time, some may even take this folder as a virus and try to delete it, but rather quickly this folder will reappear in its usual place. In this article I will tell   What is this folder Recycle.bin , I will describe its purpose and the history of the appearance on users' computers.

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A number of users actively working with mathematics, statistics and other exact sciences may have a need to type the root symbol √ on the keyboard. At the same time, none of the buttons on the keyboard contain an image of such a symbol, and the user asks the question: how can this be done? In this article I will help such users tell you how to write the root on the keyboard, explain what methods for this exist, and how to identify the root 3,4,5 degrees on the keyboard.

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Automation of accounting in enterprises today is the norm of our lives. Along with the popular and widespread 1C program in Russia, the SAP program occupies a significant market share in the field of enterprise resource management, allowing for planning, operational management and control of the company's resources. In this article I will tell you what the SAP program is, describe its features and functionality.

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It so happens that you need to quickly change the user's password, and there is no control panel on the server. In this case, you can use the console command, which must be executed as root on the mysql server.

  mysql> SET PASSWORD FOR 'username' @ 'hostname' = PASSWORD (' newPassWord '); 

username is the name of the database user.
hostname - domain, as a rule, localhost or IP 127.0.0.1
newPassWord - replace with a new password.

The password can use letters, numbers and some special characters: @, #, _. Also, for security reasons, the password does not have to match the username.

In the home folders of remote users can be stored vulnerable files, or shells and other vermin. Or just files that are wasting disk space. If all this trash is not needed, you should get rid of it. As a rule, this is done by the deluser --remove-home [username] command, but this action is not very convenient.

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A little distracted from the topic of server administration and using Debian to develop the site. :)

Compressing css and js files saves traffic. This is especially true for mobile phones, where the speed is usually low. In this, we can provide invaluable assistance to the yui-compressor, which is available for installation from Debian repositories.

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On a long-running system, it became necessary to allocate / tmp into a separate section in order to prohibit the execution of files and limit the size in case of overflow.

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A certificate request and key are required to obtain an ssl certificate and then install it on a www, mail or jabber server. (Further…)