Linux

Exec and source in Shell parse both exec and source are bash Internal commands. before talking about these two commands, let's talk about the concept of fork: fork is a linux system call, used to create a child process ). A child process is a copy

Linux CentOS6.2 x64 vsftpd configuration vsftpd virtual user Server recently configured a simple vsftpd Server due to project requirements, combined with online information, sorted out the configuration steps for future reference: www.2cto.com 1.

Install apache 2.2.23 on CentOS 6.3, as in the previous blog, all software packages are downloaded to/usr/local/src, and the software is installed under/usr/local. Http://service.ap-southeast-1.maxcompute.aliyun-inc.com/apiApr provides better

Linux from the source code installer 1. First, copy the installation file to your directory. For example, if you log on as root, copy the software to/root. # Cp xxx.tar.gz/root www.2cto.com 2. Because the file is compressed and packaged, decompress

Linux service deamon 1. There are two types: stand alone, super daemon (the xinetd deamon) www.2cto.com 2. Related directories:/etc/init. d/*: place the startup script./etc/sysconfig/*: Set the initialization environment of each service./etc/xinetd.

Differences between open and fopen in Linux int open (const char * path, int access, int mode) path specifies the file path to open and the name www.2cto.com access mode. The macro definition and meaning are as follows: o_RDONLY 1 read-only open

In linux, how does one modify iptables to enable port 80 in the environment where the local server is located recently? I found that the website localhost can be accessed normally, but it cannot be accessed by ip address. I often use CentOS friends,

Step 1: Install, set up, and debug the tftp server in ubuntu 12.04: First, it indicates that the ubuntu root is disabled by default. Therefore, you must create a root user so that you do not need to create sudo again: $ su root enter the password to

Ubuntu 12 enables the root account. When Ubuntu 12.04 is installed, the root password is not set and the root account is not used during logon. The root account is not enabled or has no password. To use the root user, follow these steps. 1. Open the

Run the shell command in vim. The following forms are available ):! The command does not exit vim, and runs the shell command to display the command output in the vim command area. It does not change the content of the currently edited file, for

Linux shell -- md5sum, sha1sum, sort, uniq 1. file verification 1. md5sumeg: md5sum filename Note: generate a 128-bit binary, that is, a 32-bit hexadecimal string 1. verify the correctness of the file: md5sum file1 file2> file_sum.md5 next time I

Teach you how to set up a Chinese Environment In DebianIf you follow the previous instructions, the system after installation does not contain the region settings, you may want to ask: is the character mode not all in English? Is it not the en_US

Ubuntu 13.04 Installed VMware Tools to solve The problem of failure to find The kernel header path Ubuntu 13.04 Installed VMware Tools, always prompt The path "" is not valid when running The vmware-config-tools.pl. what is the location of the

Linux: Crontab scheduled Task Command details 1. Crontab introduces the function of crontab command to schedule the execution of some commands at a certain interval. The 1.1/etc/crontab file has a crontab file under the/etc directory, which stores

Ubuntu users are not in the sudoers file. When I set the virtualbox Virtual Machine in ubuntu last night, I was asked to add the user name to the vboxusers group, after I modify the User Name of the [html] sudo usermod-G group name, everything works.

For detailed parsing of Linux operating system PS commands, You need to monitor and control the processes in the system, and use ps commands to meet your requirements. /Bin/psps displays the instantaneous travel status and is not dynamically

In linux, uninstall the software configure: it is used to configure the environment when installing the software in source code. It generates makefile files based on your configuration options and your system conditions to prepare the most common

The Kubuntu 10.10 quick Configuration Guide updates the entire system configuration. Open sources in the Kate editor. list kdesudo kate/etc/apt/sources. in list, replace "Source" with the source list in the source list, find a group that is close to

Linux basics #2: Basic Structure of Linux File System is an inverted tree structure. All files or folders are contained in a root directory. Linux is case sensitive. The name can contain a maximum of 255 characters except the forward slash (+). Each

Gnome-shell: the solution is stuck when the application is switched during development. it is the most troublesome to enter anything. In the first place, only the power was restarted, but the cost was too high. Then I found two better methods.