Linux Server Nginx Access log has a large number of HTTP 400 error request analysis _linux

Error logging in the server is similar to this: 124.65.133.242––[27/oct/2014:14:30:51 +0800] "-" 400 0 "-" "-"124.65.133.242––[27/oct/2014:14:31:45 +0800] "-" 400 0 "-" "-"124.65.133.242––[27/oct/2014:14:31:45 +0800] "-" 400 0 "-" "-"124.65.133.242–

Hard links and soft links for Linux--Learn about Linux file systems from the Inode __linux

1 files and directories of Linux Modern operating systems introduce files for long-term storage of information that can be stored independently of the process, and the logical units of the files that create information as processes can be used

I2C tool for Linux I2C interface Read and Write__linux

(I2C source Download Https://github.com/groeck/i2c-tools) I2ctool for Android December 1, 2014 11:36 The ANDROID.MK code is as follows Local_path:= $ (call My-dir)Include $ (clear_vars)Local_module_tags: = OptionalLocal_c_includes + = $

Linux v4l2 camera video capture __linux

One, what is Video4linuxVideo4linux (referred to as V4L), Linux is about the video device kernel driver, now has VIDEO4LINUX2, has not joined the Linux kernel, the use of their own download patches. In Linux, the video device is a device file, you

Linux device driver Load/unload methods Insmod and Modprobe commands

There are two ways to load/unload a Linux drive.1.modprobeNote: Use the DEPMOD-A command to generate the Modules.dep file before loading the module with this command, which is located in the/lib/modules/$ (uname-r) directory;The modprobe command

Linux File system detailed

The file system on Linux is generally EXT2 or EXT3, but this article is not ready to talk about them directly, but I want to combine the Linux operating system and from the foundation of the file system-the hard disk to start, step-by-step

Linux to build FTP, VSFTP, to resolve access to FTP timeout connection, to solve the user specified access to their root directory, to resolve the FTP active connection, passive connection problems

Build FTP on LinuxImportant to solve how to build FTPResolve user-specified access to its root directoryResolving Access FTP timeout connectionsSolve the FTP active connection, passive connection problem1. Install FTP Close the firewall before

Linux CP command parameters and usage details---linux copy file command CP

linux CP command parameters and usage details---linux copy file command CP [[Email protected]linux ~]# cp [-adf ILPR su ] source file (source) destination archive (destination) [[Email protected]linux ~]# CP [options] Source1 Source2 Source3.

The advantages and disadvantages of Linux cloud computing How much do you Know (reprint)

"If you're running any business that relies on data structures or network management, the benefits that cloud computing can offer you are undeniable." "Bmit's chief marketing officer and business development specialist," said Jack Mizzi. Cloud

What does chmod permissions 777 mean (under various operating systems of UNIX and Linux)

Under various UNIX and Linux operating systems, each file (folder is also considered a file) is read, write, run set permissions.For example, when I use the ls-l command to list file tables, I get the following output:-rw-r--r-- 1 bu users 2254 200

Summary of tar.gz, tar, bz2, zip and other compression commands under Linux

The most common packaging program under Linux is tar, which is often referred to as the TAR package, and the tar package file commands are usually terminated with. Tar. After the tar package is generated, you can use other programs to enter theRow

Analysis of timer implementation methods in Linux

Overview The timer is a basic component. Whether it is user space program development or kernel space program development, a timer is often needed as the basic component, the implementation of the timer is also different. This article discusses

How to decompress tar GZ bz2 tgz Z and many other compressed files in Linux

For those who are new to Linux, they will surely get dizzy with a bunch of various file names in Linux. OtherFor example, we know that there are only two common types of compressed files in windows.. Zip, and the other is. rar. It can be the same as

Linux Programming Study Notes-file management system, linux Study Notes

Linux Programming Study Notes-file management system, linux Study Notes This article is organized from the networkFile System Management in Linux 1. Overview of VFS File System Linux uses VFS to manage the file system, and one of the linux design

Become the top 10 programming languages for full-stack Web developers

Become the top 10 programming languages for full-stack Web developersGuideAre you a web developer? Do you want to improve your skills in web development? Do you have special front-end and back-end development experience? Do you want to become a web

Use TCPDF to dynamically create a PDF

Introduction: TCPDF is a popular open-source PHP library that helps you create PDF documents. Its flexibility and versatility allow you to create complex color documents with any font and graphic features you need. TCPDF is fully written in PHP and

18 command line tools for Linux Performance Monitoring)

Daily monitoring and debugging of Linux system performance is a heavy task for the system and network administrators. Five years after working as a Linux system administrator in the IT field, I gradually realized how difficult IT is to monitor and

Linux Remote File Transfer scp and sftp

For linux Remote File Transfer scp and sftp details, there are usually three methods: local network and remote network for data exchange or data migration. One is ftp, second, wget/fetch. Third, rsync uses rysync for large-scale data migration,

In linux/unix, svn automatically updates post-commit hook failed (exit code 255)

Solution to automatic svn update errors in linux/unix:Post-commit hook failed (exit code 255) with no output.In linux/unix, after svn is submitted, it is automatically updated to the test server. You can add a hook to/usr/svn/mulu/hooks/post-commit

Apply for a free 15-day Plesk panel Key and Linux system installation process

Generally, cPanel and Plesk panels that we may contact when purchasing and using overseas virtual hosts are mostly used in Linux servers, while Windows is commonly used in Windows. Recently, many netizens have seen the use of Plesk panels in Linux

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