Cloud Applications

At present, more and more enterprise applications are deployed on Linux systems, and the LinuxShell script can greatly help us complete the O & M tasks of these applications. This makes LinuxShell development skills an important and competitive

This article describes how to split large files in linux. for example, a 5 GB log file is cut into many small pieces. For more information, see To split a large file in linux, for example, a 5 GB log file, you need to divide it into multiple small

If you are a server administrator, you may know that you want to protect your server, not only from the outside, but also from the inside. Linux has a built-in tool to view the users who finally log on to the server, which can help you protect the

There are three ways to set environment variables in Ubuntu: one for the current terminal, the other for the current user, and the other for all users. Next let's take a look at the specific settings. Ubuntu I. used on the current terminal:

Problem Description: The Linux server's memory usage exceeds the threshold and an alarm is triggered. First, use the free command to observe the memory usage of the system, which is displayed as follows: totalusedfreesharedbufferscachedMem: 246757962

In Linux, environment variables include system-level and user-level. system-level environment variables are system variables that every user logging on to the system must read, user-level environment variables are the environment variables that the

After ffmpeg is installed in the ubuntu Software Center, we can use a command to split the video. For more information, see the label: Ubuntu In windows, the video conversion tool re-encodes the video when splitting the video. The final video not

I don't know what's wrong, so you will crash your Linux. It is completely dead. you press Ctrl + Alt + Backspace, but it is useless. What should we do? Some people will press the power key to restart or shut down. you should not do this, which will

This article mainly introduces how to set ubuntu login with the root permission. For more information, see the following tag: Ubuntu By default, users are not allowed to log on as root in Ubuntu. you can find the following methods on the Internet:

Here we will introduce the knowledge of Linux. for example, there are three methods to add the/etc/apache/bin directory to the PATH. after reading this article, you will learn how to modify the PATH of the environment variable in Linux, for more

In Linux, enter a command and press the TAB key twice to list all available commands starting with the input character. This is not new. You probably already know this. This function is called command completion. By default, the bash command line

This article mainly describes how to schedule tasks in linux. For more information, see Schedule a one-time scheduled task: at: schedule the task to be executed once at a certain time point (usually use it) Batch: Schedule a job to run once when the

This article describes how to use the dd command to test the disk read/write speed in linux. For more information, see 1. familiarize yourself with two special devices:(1)/dev/null: Recycle Bin and bottomless pit.(2)/dev/zero: generate characters.

This article mainly introduces how to install the ibus input method (Chinese input method) in ubuntu in English and how to enable auto-start upon startup. if you need it, refer to the following tag: Ubuntu In the English version of ubuntu, the use

This article describes how to configure sshserver in ubuntu. For more information, see the following tag: Ubuntu. SSH-Server Configuration Guide I. INTRODUCTION to SSH SSH (Secure Shell) is a Secure communication protocol provided by an application.

You can use the rz and sz commands in secureCRT to upload and download files. However, lrzsz must be installed in linux. I cannot use apt-get for automatic installation when using it. The following describes how to install it manually. 1 download

Webmin is an open-source web-based Unix/Linux system management tool. By using Webmin, you can set and install all system services in a browser, including DNS, DHCP, Apache, NFS, and Samba. Therefore, with this, you no longer need to remember the

This article mainly introduces how to use cgroups to manage disk I/O in Linux. For more information, see Linux cgroups can also restrict and monitor disk io of processes. This function is implemented through the blkio subsystem. There are many

After we have configured a web service for a Linux server, we need to upload a website program to verify that the server is running normally. This requires ftp support. This article will explain how to use it, detailed steps for installing the ftp

This error was encountered when testing the Checkpoint VPN1R6x. This indicates that the connectivity between the client and the server is normal. But I can't figure out why. I thought it was a user name or password error. Label: VSFTP Method 1:The