Hệ điều hành nguồn mở Linux

How to append text to a system file via terminal with sudo command

How to use tee command to append a file

Working with Unix-based systems, I have gradually become sluggish to open an editor and tweak something in a file. Especially, system files must only be allowed by a superuser to open which causes a bit complicated and bored. If you ...

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Building a Web Server in VirtualBox

Sorry, this entry is only available in Vietnamese.

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Apache could not reliably determine the servers fully qualified domain name using for server name error

Apache2 with the error the fully qualified domain name

Apache is one of commonly used web servers in Linux. At the time modifying apache, you need to restart it for updating the modifications without restarting Linux. Sometimes, we may face with the following troubleshooting: To fix that problem, you need to ...

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How to see Ubuntu distribution version

Thông tin hệ thống | System Information

Tình cờ một ai hỏi bạn câu hỏi kiểu: Ubuntu bạn đang dùng là phiên bản mấy? Phiên bản 32 hay 64 bit? Làm thế nào để xem thông tin hệ điều hành Ubuntu? System Monitor – cái tên đã ...

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Add plugins or extensions to LibreOffice

(Tiếng Việt) Thêm các tính năng mở rộng cho LibreOffice: Tôi có nhu cầu chuyển đổi các file văn bản .odt hoặc .doc sang dạng epub để tiện cho việc đọc trên các thiết bị chạy Android. ePub là một chuẩn mới để làm sách điện tử.

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Create shortcuts for commands in Linux

How to use 'alias'

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How To Find Similar Lines Between Two Text Files In Linux

comm command to find similar lines between two files in Linux/Ubuntu

Those working in Unix environment must be aware of the requirement to find common lines between two Unix files. In this article, I want to introduce you a solution of this problem. For our example, I have taken two files ...

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How to fix GRUB2: customize boot menu

GRUB2 is an upgraded version of GRUB. It has a lot of improvements such as scripting support including conditional statements and functions, dynamic module loading, rescue mode, etc. GRUB2 is the default boot loader and manager since Ubuntu version 9.0 (Karmic ...

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Synchronize MySQL databases between Ubuntu and Windows

Solution 1:  Unify the folder data of XAMPP on Ubuntu and Windows. Both of the operating systems point to the same folder. See more details in the following post: Solution 2:  Install a mini Linux distribution such as Slitaz, ...

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Using the find command in Linux

Files and folders can be found in many different ways regardless of operating systems. In Linux, it equips the find command to do search for files. Many users use the find command with just the basic parameters. They get the ...

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