Linux

1. After installing the Linux system, the user name and password of the graphical interface are set up before installation.If you want to switch to Linux, the DOS window shortcut is: CTRL+ALT+F2Switch from DOS window to Linux GUI shortcut keys are:

The following shows that Tomcat made an error when deleting owner's own document, prompting permission denied.This is because user Tomcat does not have W permissions in the document's parent directory permissions. Although Tomcat is the owner of the

Transferred from: http://blog.chinaunix.net/uid-26585427-id-5012973.html1. inotify Main functionIt is a mechanism that the kernel uses to inform the user of the changes in the file system of the space program. As we all know, Linux desktop system

We often run into nohup command>/dev/null 2>&1 & this form of command under Linux. First of all, we're about to break down this command. The first is an indication that the nohup current user and system are in the city ignoring the response hup

There are two ways of doing this:First, service modeTo view the firewall status:[[Email protected] ~]# service iptables statusIptables: Firewall is not running.To turn on the firewall:[[Email protected] ~]# service iptables startTo turn off the

http://view.inews.qq.com/a/20161025A0766200QQ in narrowband eraQQ is a narrow band of the most representative of the product, in that network transmission efficiency is lower than the era, we still remember Google's homepage? Why is the simple page

From Xuwanbest blog   so-called "工欲善其事, its prerequisite", good tools can play the role of half-times. The most I have used is two jconsole and Jprofiler. Jconsole monitors system memory changes, and if there is a memory overflow, garbage collection

LN Introduction to Commands: A hard link is created by default, and a symbolic link is created when you use-S.1 . Command format:ln [option] Original file link file path preferably with absolute pathln original file link file without parameter

After the previous study, probably understand the computer composition principle and some knowledge of the operating system. Although this knowledge is trivial, pieced together, in the future work and study still need to have a deep understanding.

Friends who often use CentOS may encounter the same problems as me. The firewall is turned on and the 80 port is inaccessible, and the friend who just started learning CentOS can refer to it.Friends who often use CentOS may encounter the same

Question 1:Please put the following stringstu494e222fstu495Bedf3stu49692236stu49749b91Switch to the following form:stu494=e222fStu495=bedf3stu496=92236Stu497=49b91Question 2:Echo I am Oldboy training, please put the output of each character to the

Through the USB stick to install the system, which is now the preferred method for many users, because the use of USB stick installation system method is very simple, the operation is very convenient, eliminating the optical drive or hard disk

With the Man 2 Lseek you can see the help documentation for the system functions Lseek functions in Linux, and in order to learn better, I translate these important things.1 NAME2Lseek-reposition read/write file Offset//Resets the offset of a read

1. Getting Help information: ManMan ls: Get help with ls commandMan services: View the Help information for profile services, directly add the file name, no absolute path requiredHelp: 1 indicates help for the command, 5 indicates help for the

One, the Mail command 1. Configuration Vim/etc/mail.rc Add the following to the end of the fileSet from= [email protected]smtp= "Smtp.qq.com" Set smtp-auth-user= " [email protected]"Smtp-auth-password=" 123456 " Set Smtp-auth=login

We use the computer, has been using pirated windows, for people who want to do not piracy, there are two ways, 1. Local tyrants directly to buy, 2. For my dick-wire student party, it's a good choice to try Linux. When it comes to Linux, many people

Configure the Lnmp environment with the source code in ubuntu16 and ubuntu16lnmp Recently, the system was upgraded to the long-term support version of ubuntu16 and the lnmp environment was redeployed. Specify the directory source code

Linux linked filesSeveral Basic Concepts Linux linked files can be divided into hard link and soft link ). To understand them, you must first understand several basic concepts. Inode In addition to pure data, files must also contain management

Debian GNU/Linux 9 will switch to GCC6 Compiler Debian developer Matthias Klose announced that the new GCC 6 compiler will be installed in the forthcoming Debian GNU/Linux 9 system by default, and is now available for testing by enthusiasts! In

SonarQube code Quality Management Platform Installation and Use Sonar Introduction Sonar is an open-source platform for code quality management. It manages the quality of source code and can detect code quality from seven dimensions. Supports code