Linux

Configuring the network Yum source RHEL6.51[Email protected] ~]#wget-o/etc/Yum. Repos.d/centos-base.repo http://Mirrors.aliyun.com/repo/centos-6.repo2 3[Email protected] ~]#sed-I.'s/$releasever/6.8/g'/etc/Yum. repos.d/centos-Base.repo4 5[Email

The execution top will showCpu (s): 0.7%us, 0.3%sy, 0.0%ni, 99.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%stmem:2044500k Total, 739604k used, 1304896k free, 15880k buffersswap:1046524k Total, 23496k used, 1023028k free, 157292k cachedThe swap is not

Under the Linux system, reboot Tomcat to operate with commands!First, go to the bin directory under TomcatCd/usr/local/tomcat/binUsing the Tomcat Close command./shutdown.shTo see if Tomcat is shutting downPs-ef|grep JavaIf the following similar

Aryalinux 2016.08 was released.Make a series of improvements based on Aryalinux 2016.04.Main updates:1. Aryalinux 2016.08 new release feature MATE1.15.2. The approach to building aryalinux is more standardized and provides additional-KDE and LXQT

After the virtual machine has been installed Ubuntu14.04, the digital input on the top of the big keyboard is changed to * (The encryption of exotic flowers?!!) ）From the Internet to see others have encountered is the keypad input number, will

Mylog.h#ifdef __cplusplus extern " C " {}#endif// write log function //path: Log file name //msg: Log information int writelog (constcharconst char * msg); #ifdef __ Cplusplus}#endifMylog.c//Log Sharing Library#include

1) This article is dedicated to people who insist on self-studyI converted from network management to a Linux OPS engineer and summed up some experience. Write him out in the hope that he can help more people.2) This article introduces the basic

Title: Write two processes A and B, using shared memory technology, a writes a string to the shared memory, and B prints the string that is read from the shared memory on the screen.//Create a shared memory area#include

Title: Implementation of a so library filename called a listupper.so,so file implements a function with the function named void Upper (constchar char *desc),When update is called, all characters in the string pointed to by the parameter src are

1. Create User xxx under window (role: User and password required for Linux mount)2. Window under the shared folder to the XXX user, and according to the actual need to set read/write permissions3. Create a mounted directory under

Nginx url is automatically added with a slash. nginxurl is used with a slash.Nginx url automatic slash adding and 301 redirection Time: 15:14:28 Source: Network Guide: nginx url automatically adds a slash and 301 redirection. If the URL

CentOS6.5 network server configuration, centos6.5 network server ========= Modify the default SSH port ============= 1. Check the range of server port numbers: Sysctl-a | grep ip_local_port_range Net. ipv4.ip _ local_port_range = 32768 61000

Compile opencv3.1 + ffmpeg in CentOS 7.1 The project needs to compile opencv 3.1 with ffmpeg on the server. Previously, opencv was used only on windows, and compiling once was very painful. Therefore, this time we were fully prepared. Compile

Linux swiss army knife: Password Management KeewebGuideToday, we rely on more and more online services. Every time we register an online service, we need to set a password. In this way, we have to remember hundreds of passwords. This makes it easy

Lnmp and Lamp in centos7.0 First configure the firewallCentOS 7.0 uses firewall as the firewall by default.1. Disable firewall: Systemctl stop firewalld. service # stop firewall systemctl disable firewalld. service # disable firewall startup 2.

Common CentOS command ---- grep commandIntroduction Grep (global search regular expression (RE) and print out the line, full search for regular expressions and print out rows) is a powerful text search tool, it can use regular expressions to search

Terminix: a tiled Linux terminal Simulator Based on GTK3GuideNow, you can easily find a large number of Linux terminal simulators, each of which can impress users. However, in many cases, it is difficult for us to find a terminal simulator suitable

Five suggestions for enhancing SSH SecurityGuideWhen you view your SSH service logs, you may find some malicious and attempted logins. There are five general suggestions (and some special policies) to make your OpenSSH session more secure.Enhanced

Common commands for Centos File Operations Collect and sort out commonly used commands or requirements for file operations during routine system management or maintenance, which will be supplemented and improved in the future! View and generate the

Change the firewall firewalld on CentOS7 to iptab. By default, the firewall installed on CentOS7 is firewalld. Many users switch from centos6.X. We can change firewalld to iptables. The procedure is as follows: 1. Disable firewall: # Systemctl stop