Linux

A few common commands, some nice explanationshttp://blog.csdn.net/wengpingbo/article/details/63020581.topUsage rights: All usersMode of use: Top [-] [D delay] [Q] [C] [s] [s] [i] [n] [b]Description: Instant display of process dynamicsD: Change the

Nmap can be obtained on the official websitehttps://nmap.org/I use the Nmap binary package to compile the installation under LinuxAfter decompression, execute in file directory./configure--prefix=/usr/local/nmapmakemake Installalias

Basic concepts of file operations See blog: How to talk about Linux: underlying file I/O operations 1. Function description open () function: is used to open or create a file, you can specify various parameters such as the properties of the

The SS command is used to display the socket status. He can display statistics such as packet sockets, TCP sockets, UDP sockets, DCCP sockets, RAW sockets, Unix domain sockets, and so on. It shows more TCP and state information than other tools. It

Linux find a method that matches multiple keywords in GREP at a time by finding multiple specified files or excluding certain types of files(1) Linux find more than one specified file at a time:Find a.html and b.html Find. -name

Recently in the Boss System Cloud Platform deployment script, the tune-up found a problem in the shell script, the following recordsA place to indicate whether to overwrite[[email protected]test]#

Guide When you log on to a Linux server in order to solve a performance problem: What should you check in the first minute? By running the following 10 commands, you can get a rough idea of the processes and resource usage that the

1.wget Command Network applicationThe wget command is used to download files from the specified URL. Wget is very stable, it in the bandwidth is very narrow and unstable network has a strong adaptability, if it is because of network download failure,

The reserved memory (reservedmemory) in Linux refers to keeping a portion of the memory in the system, and the kernel does not set up a page table for it, and the general application cannot access the memory. In the process of board debugging,

Bugreport"Use" Android Performance analysis tool, Bugreport records the Android boot process log, the system status after startup, including the process list, memory information, VM information, etc."How to use"Adb bugreport > Bugreport.txt (export

Linux Interim Summary The first week of the Linux curriculum Experiment and Summary: [http://www.cnblogs.com/20135302wei/p/5218607.html] The core idea of the von Neumann architecture is to store program computers. There are two

A few days ago, the micro-demon tribe once again suffered an attack of an ulterior motive attacker, by the way to recharge their own electricity, review the Linux Common firewall iptables some of the content, but many of the online tutorials are

problem 1 : I created a hard-link file, but I don't know where it is, how do I do it? Ideas: Find files can take advantage of the Find command. hard-link features do not cross the file system, so the source file is in which

Hardware interrupts occur frequently, is a very CPU-intensive thing, in multi-core CPU conditions if there is a way to allocate a large number of hardware interrupts to different CPU (core) processing is clearly a good balance of performance. Now

1. Introduction to Commandscp(copy file): Copy the source file to the destination file, or copy multiple source files to the destination directory.2. Usage CP [options] ... [-T] Source file destination file or: CP [Options] ... Source file ...

Linux can ping windows but Windows does not ping Linux solutionsLinux and Windows communicate with each other in the presence of a non-smooth situation can be removed from the following aspects of troubleshooting1. Check that Linux and Windows

Firefox 44.0 will enable H.264 support on Linux: GTK3 still absent With the smooth implementation of Firefox 43.0, we may wish to predict the major changes that will be ushered in Firefox 44.0. In December 18, Mozilla released its first Beta

Research on the development history of Gnu/Linux and the development history of gnulinux 1. gnu/Linux is a UNIX-like Operating System Based on POSIX and UNIX. the Network-centric UNIX design concept is a stable multi-user network operating

Unix-like OS process monitoring and control tool Supervisor Supervisor is a client server system that allows users to monitor and control the number of processes on Unix operating systems. Official http://supervisord.org Install1. easy_install

Use Ansible to publish Tomcat service in CentOS 71. About ansible Ansible is an Open Server Deployment Tool for Python.Using yum for configuration is very simple and easy to learn.2.