Set up a way to automatically clean up files in a Linux system n days ago

The server produces a global backup file once a week, about 100G in size, and needs to be cleaned regularly. Working time site access is large, server I/O high when the deletion of large data will have a bad impact on the server state. So I want to

Research on the scheme of automatically cleaning up a large number of files under Linux

Regular cleaning of outdated and junk files, maintaining a reasonable space usage of the file system, is a system administrator's daily work. Simple system commands or scripts can be implemented for small to medium sized file systems, but file

How to get a list of built-in modules and device drivers for Linux systems

Question: I want to know what modules are built into the kernel in the Linux system and what parameters each module has. Is there a way to get a list of built-in modules and device drivers, along with their detailed information? The

Tutorials for installing, uninstalling, and upgrading programs in Linux systems

For Linux beginners, the RPM installation is a good choice. If you want to really master the Linux system, the source code installation is still a software installation under Linux is an important means. Because the Linux system application software

Install git tutorials on various Linux distributions

Git is a popular open source version control system (VCS) that was originally developed for the Linux environment. Unlike CVS or SVN version control systems, Git's versioning is considered "distributed", and in a sense, Git's local working directory

How to make Linux servers more secure

Keep in mind that these seven points will make your Linux server more secure Figure 1: The service in operation. Services required for installation If you're going to run a server, you might think, "I Have a 40GB SSD (SSD) storage

Detailed Linux system under the/dev directory

Dev is the initials of the device (device). /dev This directory is very important to all users. Because the directory contains all the external devices used in the Linux system. But here is not the driver for the external device, which is not the

Introducing the ETC directory of Linux system and its passwd files

Let's take a look at what is generally included in the ETC directory: /ETC Directory Contains a lot of files. Many network profiles are also in/etc. /ETC/RC OR/ETC/RC.D OR/ETC/RC*.D A directory of scripts or scripts that runs when the run level

Linux View file contents, create, view soft hard link commands

Command 1: View file contents "Cat filename" to view the contents of the file, the page stays at the end. "More file name" Paging View file contents Enter the next line Space page Q exit "Head filename" to view the first few lines of the

Best Linux file System Cleanup tool

I'm sure you've heard of it. Windows Cleanup Tools-although different levels of programs, their role and purpose are common. And in the Linux file system domain, this kind of cleaning tool's popularity is not so high. Whether you believe it or not,

Switching between GUI and Linux command line mode under Linux system

This article is for you to explain if you are implementing a graphical interface with linux command line mode under the Linux system. First, the Linux system installation process in the default language is English, rather than Chinese simplified

Linux Sub-volume compression and decompression

1.rar RAR a-m5-v12m myarchive myfiles # maximum limit of 12M RAR e Myarchive.part1.rar #解压 Sub-volume compression There is no default install RAR under Ubuntu, you can install RAR through sudo apt-get install rar,sudo apt-get install Unrar.

Linux system add swap virtual memory and delete configuration

1.swap Overview Swap partition, or swap area, the role of swap space can be simply described as: when the system's physical memory is not enough, it is necessary to release some of the space in physical memory, for the current running program to

Linux environment variable configuration file detailed

Environment variables are closely related to the shell, and the user starts a shell after logging in to the system. It's usually bash for Linux, but it can be reset or switched to another Shell. For UNIX, it may be cshelll. Environment variables are

11 network commands that must be known under Linux

This article collects the time-tested commands and collects several newer commands. Most commands can be performed on the graphics desktop, and even Linux users with no experience of terminal use often execute commands to use Ping or other network

Linux three special permissions setuid, Setgid and stick bit

I've been working on the Samba service configuration today, deeply feel the difficulty of permission control, file permissions mechanism is a major feature of Linux system, in addition to our now well-known read (R), write (W), execute (x)

Four steps to solve the problem of Chinese garbled in Linux system

When using the CentOS system, you may encounter an English CentOS system when you install it, in which case installing the CentOS system is the default installation (ie English). After installation, the emergence of a variety of Chinese garbled. So,

How to set your Linux operating system to be more secure

BIOS security Remember to set a BIOS password in the BIOS setup and do not receive floppy boot. This prevents malicious people from starting your Linux system with a dedicated startup disk and avoiding other people changing BIOS settings, such as

Linux one-click to install the Web environment full introduction

Get ready to connect to Linux Server tools, recommend Xshell and Xftp. Xshell is a powerful security terminal emulation software that supports the Telnet protocol for SSH1, SSH2, and Microsoft Windows platforms. Download Address: http://www.newhua.

Linux View the contents of the file, create, view the soft hard link command example

Command 1: View file contents "Cat filename" to view the contents of the file, the page stays at the end. "More file name" Paging View file contents Enter the next line Space page Q exit "Head filename" to view the first few lines of the

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