Linux

How to Create FTP user on Linux   [root @ xcdb ~] # Useradd-g ftp-D/home/Oracle-M xcuser [root @ xcdb ~] # ID xcuser uid = 501 (xcuser) gid = 502 (xcuser) groups = 502 (xcuser), 50 (FTP) [root @ xcdb ~] # Passwd xcuser changing password for

1. log on to the database server (as Oracle) where the goldengate software isInstalled.2. Change directory to the goldengate home:CD/home/Oracle/GGS3. Start ggsci:Ggsci4. Stop all goldengate processes:Ggsci (dbserver1) 1> stop extract *Or:Ggsci

Note: I have installed fc5 according to the following instructions. Some netizens do not know whether FC4 is installed or fc5. In fact, the difference is not big. The most important thing is that wingrub has been installed, how difficult is it to

1. Enter (optional) in the command line) Mount | grep ''on /'' Obtain the root user's partition/dev/your_partition. 2. Enter Fsck-y/dev/root # Fsck-y/dev/your_partition # Check and fix the disk/dev/root. The-Y option specifies that "yes" is

The Computer Configuration Requirements are very low. I have a 256-memory machine that can also be installed, basically painless installation, are automatically identified and very accurate. I have read the ranking below, and mint is now in the

View the machine name: uname-A modify the machine name: RedHat the first step to modify the Host Name:# Hostname oratestStep 2:Modify the hostname in/etc/sysconfig/NetworkStep 3:Modify the/etc/hosts fileSuSE Linux: Modify the/etc/hostname file and

Linux has just released the latest 3.0 kernel recently. In Linux learning, it is essential to understand kernel compilation. A few days ago, I learned how to compile the Linux kernel. Let's take a look at it. Taking the latest 3.0 kernel as an

The predecessor of SELinux was a project initiated by NSA. It aims to reinforce the system to the military level. Why Does nsa choose Linux? At present, most operating systems on the market are commercial closed-source, and only Linux is open-source.

# Show your mercy... If you step on me, please tell me the reason. (2) You just sent it up for 10 times in the morning... # Build your own dedicated Linux (2) link http://blog.csdn.net/deansrk/article/details/6664558 It's almost a month since I

Using system functions to steal Linux super privileges Luo Weifeng 2010-9-26 The original Article is published to the QQ space. Now it is deleted. Inspired by older generations such as W. Richard Steven S and Stephen A. Rago, today we are better at

Use the nohup command to run the program in the background (Unix/Linux) (for conversion) Run the program on the host. After hanging on the background, it is found that sometimes the program exits and sometimes does not. It's strange that I

Starting from this blog, there will be some small series of blog posts that are expected to be introduced in 4-5. The application and practice of lock, we often hear about spin lock, wait-free, lock-free, what is this? Can we implement a spin lock

When reading and writing a large number of files, for example, if a directory contains 4 million image files, you need to package these 4 million image files. If the read and write orders of these 4 million files are incorrect, this head will return

The following two sections of code are explained: Derived from watertree Maling: "Write is 16 bytes/cycle, but that is througput. That is to say, we need to make every cycle have a write operation into the write buffer after allocation stage to

This blog compiled and expanded was pushed by csdn to the homepage website. The key code is: # Define do (x) x# Define do4 (x) x# Define do8 (x) do4 (x) do4 (X)# Define do16 (x) do8 (x) do8 (X)It is not hard to understand that the readers can

The ~ Gcc/GCC/collect2.c: locatelib () Written in specs Later, it was specified with-d-I-l. GCC environment variable setting (during compilation) Environment Variable of LD. So (this is run time) I. header files How to find the required header file

In program development, heap and stack are the two most commonly used memory zones. In Linux, the stack is divided into user stack and kernel stack. The Kernel stack has a fixed size, the user stack can be set through ulimit. The maximum value is 8

To make good use of Linux, you must be familiar with some core configuration files of Linux. For this reason, we have organized a system article to introduce the relevant information of these files. The fstab file stores information about the file

Published by yellow-haired chicken at a.m. on November 11: If you installed it with an RPM package, you can run the rpm-e XXX command to uninstall it. __________________ C3 1G + hy512sdram + cool fish 4 40g + cool fish 120g + gigabyte 815ep +

Purpose: Create an FTP user on a Linux system and restrict the user's access through FTP. The main directory is "/", and the upper-level directory is not displayed. For example, I want to create a user usertest with the password usertest. The main