root command

Nginx basic configuration 1. Advantages and disadvantages of Apache server and nginx:We used Apache in large numbers as HTTPServer.Apache has excellent performance and provides a variety of functions through modules.1) Apache first supports

1. Ubuntu does not set a password for the root user by default. when we run the suroot command, the system prompts that the authentication fails. the solution is to set a password for the root user. Sudopasswdwww.2cto. com2. then suro... question 1.

One linux command every day (2): The cd command Linuxcd command is the most basic command statement in Linux. other command statements must be operated on using the cd command. Therefore, to learn common Linux commands, you must first learn how to

The built-in variables that can be used in the nginx configuration file start with the dollar sign $, or global variables. The values of some predefined variables can be changed. $ Arg_PARAMETER the variable value is the value of the variable name

PHP technology development tips. 1. improving PHP running efficiency one of the advantages of PHP is that it is fast. for general website applications, it can be said that it is enough. However, if the site has a high access volume, narrow bandwidth,

PHP executes the system's external command system () exec () passthru (). Difference: system () outputs and returns the last shell result. Exec () does not output results. The last shell result is returned. all results can be saved to a returned

In linux, user accounts, user passwords, user group information, and user group passwords are stored in different configuration files. Etcpasswd: save the user In linux, user accounts, user passwords, user group information, and user group passwords

Linux cd command usage details, linuxcd usage details. In linux, the cd command is explained in detail. the cd command is the most basic command statement in Linux, and other command statements need to be operated, are built on the use of cd

This article describes how to build the NVIDIACUDA development platform under Ubuntu10.10. This article is based on my experience in building the environment officially. The official PDF file is downloaded at the following address/ This article

For linux root User Password forgetting and solving the problem-Linux general technology-Linux technology and application information, see the following for details. Appendix: linux-cainiao heaven: 60678254 coming soon If you have any questions,

See an ngx_static example of a module service disk file. We use the following configuration fragment:Location/{root/var/www/;}At the same time, in the local /var/www/ directory to create two files, a file index.html is called, the content is a line

Nginx design was originally designed to solve the c10k problem as a reverse proxy server, you can reverse proxy HTTP and SMTP/POP3 requests, but soon be a group of companies without get to focus on the Web server, such as a treasure on the

Variables The core module supports built-in variables, whose names correspond with the names of variables in Apache. First of all, there are the variables, which represent the lines of the title of the client request, for example, $

Simply use 'su 'to switch to the root identity,The read variable is set to non-login shell. Many original variables will not be changed.To completely switch to the new user's environment, you must use 'Su-username' or 'Su-l username' to use the

Differences:System () outputs and returns the last shell result.Exec () does not output results. The last shell result is returned. All results can be saved to a returned array.Passthru () only calls the command and directly outputs the command

1. Improve the efficiency of PHP operation One of the advantages of PHP is that it is fast and is sufficient for general website applications. However, if your site has high traffic, narrow, or other factors that make the server performance

"Go" PHP Execution System external Command systems () EXEC () PassThru (), Execpassthru I note: Use must pay attention to security issues, in the following I will enumerate some of the relevant PHP code audit. The contents are reproduced below. PHP

  Note:     Install oracle10g in ubuntu10.04. The main step is to configure the oracle runtime environment. The installation is a simple statement.   This is the oracle I installed, the ubuntu dual-system installed under Windows, with 2 GB memory.

  Environment: Host XP, 3 GB memory, VMware: ubuntu10.10, hard disk 30 GB, memory 1024 MB   The installation of virtual machines is not explained. There are a lot of online services, Baidu or Google.     1Download oracle10g   Log on to the official

GRUB: loading at boot ProgramOn the menu, type [e] to enter the editing mode. You will face a list of pilot projects. Find the following output sentence lines: Kernel/vmlinuz-2.4.18-0.4 Ro root =/dev/hda2 Press the arrow keys until the line is