Linux

GDB is a powerful UNIX program debugging tool released by the GNU Open Source organization, and GDB can help engineers with the following 4 functions: Start the program, you can follow the requirements of the engineer custom run the program.

(16) User management1) View online users who2) View Current user WhoAmI3) Add user Useradd or adduser-m automatically create directory-D Create directoryUseradd-m Liu Auto Add home directory/home/liu4) Create a password for the user passwdIf the

Linux directory and file management 1.Linux directory structureLinux is a reciprocal structure , from '/' as a starting point, where all files or directories are represented by '/'Linux has only one '/', analogy to Windows has multiple '/' (a disk

Modify Linux terminal command line colors1.ps1To modify the Linux terminal command line color, we need to use the PS1,PS1 is an environment variable for Linux end users to describe the command line prompt settings. In the terminal input command:

Brief introduction Principle Configuring the NTP server To synchronize Brief introductionWhen calculating the time, the most accurate calculation should be the use of "atomic oscillator cycle" calculated by the physical clock

Original address: 78059331Beginner's articleLinux OPS Common tool topology see:1rsync ToolsRsync tools are often used in many places to implement synchronization effects on several servers. Our company is using this tool to complete the server game

Run Linux computer systems to everywhere in every corner. Linux runs a variety of internet services, from Google search to Facebook. Linux also runs on many devices, including our smartphones, TVs, and even cars. Of course, Linux can also run on

Ext: The author is Baidu accountThe chmod command in a Linux system is primarily used to modify the permissions of directories and files, which are only available to the root user by default. The command is used for COMMAND + modify content + to

The difference and choice between zip and tar processing soft links in Linux System environmentcat /etc/redhat-release CentOS Linux release 7.3.1611 (Core)getenforceDisabled Installing Zip,unzip#直接yum安装yum install -y zip unzip Create an

CD ~/.sshSsh-keygen-t rsa-b 4096-c "[email protected]" then enter three combo ...You can see two more files in the current directory Id_rsa.pub and Id_rsa with a public key, without a private keyVim id_rsa.pub Open Public key, copy all content

Command:Ping Check network connectivityPing-f Dos attackArp-n viewing ARP tablesIfconfig, route, netstat network management commands (old)IP, SS, TC Network Management commands (new)DMESG Viewing kernel hardware loadingMTR View routesTraceroute

If you want to learn about Linux partitions, be sure to read this article carefully. For starters, Linux partitioning doesn't look like windows.In the process of learning Linux, installing Linux is the first hurdle for every beginner. In the middle

Intel Chip architecturePS: Upgrade the computer also have to see if the motherboard is suitable for CPU, motherboard suitable for the type of CPU is limitedPS: Now there is no North Bridge, has been integrated into the internal CPU.MemoryHard diskPS:

SPEETEST-CLI is the Linux next up and down network test tool, which is a command line script written in Python.Requires python2.4-3.3 support.GitHub Project Address:HTTPS://GITHUB.COM/SIVEL/SPEEDTEST-CLIThere are a number of installation methods:1,

Previous section review:1. Create a file: Touch command2. Delete Files: RM command3. Moving files: MV command4. View files: Cat,head,tail commandJob: Create file Test.txt in root directory, create directory Test (command is mkdir), move test.txt to

User Category User Category Administrator ID 0 Normal User ID 1-65535 System User ID centos7:1-999 centos6:1-499 Log in user ID centos7:1000-60000 centos6 500-60000 User Information

The only reason to install remotely via SSH is that some commands are really annoying because of the manual input. With SSH connection, some commands can be copied and pasted directly, and the installation progress is much faster.First, download the

One access log does not log static file access informationMost of the elements of the site for static files, tablets, CSS, JS, etc., record these access information on our operation is not much significance, if a site access is very large, then a

Execute a Script Discovery report syntax error, but running on other machines is no problem the only difference is that a CentOS machine error is UbuntuSearch the Internet for a momentBecause the default SH is connected to dash, and because the dash

The current adoption rate for cloud computing is increasing, according to a new survey. 85% of it and business decision makers believe that cloud computing will be an important part of the corporate digital transformation strategy. With the rapid