Linux Server Guide

Although Linux is more secure than Windows, some simple security configurations are necessary. There are a lot of tools on the Internet to scan your admin password with a dictionary, we can create some trouble and increase the possibility of being deciphered. Take a look at the entry level security configuration. First: Remote management port modifies SSH's landing port, and the default port is 22. Scan Dictionary Poor lift password They all start with the default. If you change the port to a 4-digit number, it greatly increases their difficulty and time. Edit SSH configuration with vi command ...

http://www.aliyun.com/zixun/aggregation/30318.html "> Fax Server" is a web-based client/server fax system, The server-side software provides shared fax functionality to network users, and client software allows you to send faxes directly to your terminal, just as easily as sending emails or file printing. Below, small make up to lead everybody together to set up a fax server, hope to be able to have to everybody friend ...

In this chapter we will introduce the CentOS http://www.aliyun.com/zixun/aggregation/17117.html ">web server security settings, which is also a number of the most important security settings for Web services, As the administrator of the server we should develop a good system maintenance habits, regular patching, for the directory permission settings should have a very clear understanding of the user and user group management should also develop good habits, if you are just see this article ...

Welcome to the Red Flag asianux Server 3 operating system! The red Flag asianux Server 3 Installation Guide will help you successfully install the Red Flag asianux server 3 operating system on networked or non networked machines. The first four chapters of this manual describe the installation of the Red Flag asianux Server 3 Series Base System (the first to second installation CD), and chapter fifth describes how to install the tool tray on the base system. ...

This section collects some of the problems that users use when using the Red Flag asianux Server 3 system Shi as a common solution. Press the <Ctrl+Alt+Del> three key simultaneously to reboot the system. For security reasons, the Red Flag asianux Server 3 system disables the <Ctrl+Alt+Del> reboot of the computer. This is done by modifying the/etc/inittab file, commenting out the statement ca::c ...

Note: This article starts in CSDN, reprint please indicate the source. "Editor's note" in the previous articles in the "Walking Cloud: CoreOS Practice Guide" series, ThoughtWorks's software engineer Linfan introduced CoreOS and its associated components and usage, which mentioned how to configure Systemd Managed system services using the unit file. This article will explain in detail the specific format of the unit file and the available parameters. Author Introduction: Linfan, born in the tail of it siege lions, Thoughtwor ...

At this point, Red Flag asianux Server 3 's basic system has been installed, as prompted to restart the computer, after a normal power check, you will see the Graphical Grub boot menu, then you can do is as follows: Press the <Enter> key, The default boot option is booted, a Boot tab entry is selected, the operating system that corresponds to the selected boot tag is booted by the <Enter> key, and no action is taken, the boot loader timeout expires (five seconds by default), and automatically boots ...

This chapter is a high-level topic in the installation manual. In general, we use U disk or CD-ROM to boot the installer. However, if you encounter a computer without an optical drive or USB device interface (or if you are using a non-standard USB device and optical drive), you can use the PXE installation method. In addition, PXE installation is an efficient way to work when a large number of computers need to install the system at the same time. 4.1 What is PXE strictly speaking, PXE is not an installation, but a way to boot. The prerequisites for PXE installation are the computers to be installed ...

E-Mail is one of the most popular applications on the Internet. Like a postman distributing traditional mail, e-mail is asynchronous, meaning that people send and read emails at their convenience, without having to collaborate with others beforehand. Unlike traditional messages, e-mail is fast, easy to distribute, and inexpensive. 　　In addition, modern e-mail messages can contain hyperlinks, HTML-formatted text, images, sounds, and even video data. HTTP://WWW.ALIYUN.COM/ZIXUN/AGGREGATION/12 ...

"Editor's note" Docker and CoreOS are excellent "graduates" of the Silicon Valley incubator, and it is said that two bosses have a good personal relationship, Docker do container engines, CoreOS container management, cooperation is very happy, but with the release of Rocket gradually "parted". Although Docker and CoreOS are seeking "Jane", but Docker "Jane" is to strive to achieve the most convenient use of the user, CoreOS "Jane" is the pursuit of the ultimate lightweight, which will be the future of container technology, in fact, it is difficult ...