Linux Network integrated Command--IP

IP is a powerful network configuration tool in the Iproute2 package, it can replace some traditional network management tools, such as ifconfig, route, etc., with the privilege of Superuser. This command is supported by almost all Linux

Linux system Programming--the daemon process of special process

What is a daemon process? The daemon (Daemon process), which is usually called the Daemon process (daemon), is the background service process in Linux. It is a long-lived process, usually independent of the control terminal and periodically performs

95 Tips for Linux

95 Tips for Linuxby Web full stack engineer on March 27, 2012Here's a summary of some of the tips for using Linux1. Automatic disk repair for Redhat abnormal shutdownLog in to the server first, and then add a file autofsck in the/etc/sysconfig, as

Mastering Linux Debugging Techniques

The main way to identify and resolve program errors on LinuxYou can monitor a running user-space program in a variety of ways: You can run the debugger for it, step through the program, add a print statement, or add tools to parse the program. This

Linux hostname Command Detailed

1, check the hostname of the machine#hostname2, modify the hostname of the machine#hostname newnameTakes effect immediately after running (restarting the shell), but changes are lost after the system restarts, and if you want to permanently change

Brother Bird's Linux Private Dishes _ Basic Edition _ study Note 1: The fifth chapter of first login and online Help

fifth. First login and online Helpoperation and logoff of 5.1.3 and KDE1. Lock screen shortcut key: [Alt] + [Ctrl] + [L]2. Restart shortcut key: [Alt] + [Ctrl] + [Backspace] 5.1.4, X window and command-line mode switching 1, [Ctrl] + [Alt] + [F1] ~

Using OpenSSL to generate CSR CRT CA certificates under Linux

This article mainly draws on and references the following 2 address content, then carries on the test and the execution on own machine, and has made the following

"Turn" Linux under TTY, console, virtual terminal, serial port, console (console terminal) detailed----good

Original URL: of all:1. Neither the terminal nor the console is the concept of personal computers, but the concept of a small, medium-sized mainframe computer shared by many people.A host,

LINUX Core Dump Detailed

Transferred from: Http://[email protected]/blog/static/8442751200710255441327/1. Preface: Some programs can be compiled, but at run time there will be segment fault (segment error). This is usually caused by a pointer error. But this is

Linux Command Encyclopedia

Starting with a detailed system of learning Linux common commands, adhere to a daily command, so this series is a Linux command per day. The main references for learning are:1. "Brother Bird's Linux private cuisine"2.

Ways to set up and view environment variables in Linux

1. Display environment Variables home$ echo $HOME/home/Redbooks2. Set a new environment variable hello$ export HELLO="hello!"$ echo $HELLOHello!3. Use the env command to display all environment variables $

Linux RAW sockets

Linux RAW sockets==========================================1. Why do I need to know more about raw sockets?In fact, a long time ago on the original socket has a certain understanding, then also did a small grab package program, at that time thought

Arm-linux Learning Notes-(virtual machine Linux serial terminal and USB program download, based on TQ2440)

Yesterday, after installing the SSH service on Windows with Xshell landing found on the login is not on, because of the use of VirtualBox NAT mode, in NAT mode, the client can easily surf the internet, but want to link the host will need to open

Linux kernel parameter tuning optimized network

Linux system kernel settings optimized TCP network, # vi/etc/sysctl.conf, add the following Net.ipv4.tcp_syncookies = 1 indicates that SYN Cookies are turned on. When there is a SYN wait queue overflow, cookies are enabled to protect against a

Turn: How to improve the search efficiency of text on Linux

Originally from: system administrators or programmers, the grep type tool is probably the most popular when it is necessary to search for a specific text or pattern in a directory of complex configurations or in a

0 Copy technology in Linux, part 2nd

Technology implementationThis series consists of two articles, which describe several 0 copy technologies currently used on the Linux operating system, and simply describes the implementation of various 0 copy technologies, as well as their

Linux installation using SSH (Ubuntu&&redhat)

Transferred from: installation using SSHUbuntu does not have the default SSH service installed, if you link ubuntu via SSH, you need to manually install Ssh-server. To determine if the SSH

The Convert to Linux command

The Convert to Linux commandPowerful convert commandThe convert command can be used to transform the format of images, support jpg, BMP, PCX, GIF, PNG, TIFF, xpm and XWD types, and here are a few examples:Convert xxx.jpg xxx.png convert JPEG to PNG

Linux Text processing the Three Musketeers of awk detailed

ObjectiveAwk is a powerful report generator, unlike SED and grep, which focuses on how to better display textual information, commonly used with statistics and formatted output. awk acts as a miniature shell with its own set of grammatical

28 Unix/linux Command-line artifact

Reference: are the 28 Kristóf Kovács collected under the 28 Command line tools (original link), some are familiar with, some are very useful, some are not known. These tools are very good, I hope everyone knows.

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