Linux

Linux under oracle11g RAC Construction (i) Document description Author Blue Project Visualbox Analog RAC Build (Dual node) (redhat5+oracle11g) Environment RedHat Enterprise5.5,

arrangement of orders;1. Use ";"Command syntax: command 1; command 2When you execute the command, the command 2 is executed regardless of whether command 1 is an error.2. Use "&&"Command syntax: Command 1&& command 2When the command is executed,

Mainactivity as follows:Package Cn.testprogressdialog;import Android.app.activity;import Android.app.dialog;import android.content.Context ; Import Android.content.dialoginterface;import Android.content.dialoginterface.oncancellistener;import

About fork () in Linux:Parent/child processes created by fork () share the same file table (Linux file descriptor or called ' Open file Descriptor ' )Which code would the new process execute?Acutally they share the same code, the different is the

User and User group management A Linux system is a multi-user multitasking operating system that may have multiple users working in one system at the same time. There are three main types of users in Linux root user : Also known as

Nvidia graphics card under Ubuntu xorg.conf configuration _ Baidu Libraryhttp://wenku.baidu.com/link?url=XxA_FU9L__ Met8-f9bfpokx5q-vjjoytehdwmq3vxqoadgxqmc4loun6hfsq3v-kgwjfh1rkfueoh3dw2nuxqqdocyf-cljqmkh-u_gzuluXorg.conf Configuration Details _

1.RPC service is supported by Rsh, in general, RSH is installed. Rpm-qa rsh view.2. Right-click Save As http://heanet.dl.sourceforge.net/sourceforge/rstatd/rpc.rstatd-4.0.1.tar.gz download rpc.rstatd-4.0.1.tar.gz.3. Perform the following command to

Version: Procps version 3.2.8 Basic usage: Vmstat [-a] [-n] [-t] [-S unit] [delay [count] [-A]: displays active and inactive memory. [-N]: The field name is displayed only once at the beginning, and the user-friendly information is displayed

The cocould not open/dev/vmmon error occurs when you install VMware and start the new virtual system. Generally, this is due to the gcc version of the ubuntu system. On my machine is a gcc-4.5, so I changed it to a gcc-4.6 as follows: Cd/usr/bin

First, let's take a look at the services required for the production of pxe. linux: DHCP, tftp, and pxelinux files, First, set up a DHCP server. Install the tftp package as follows:Tftp-server.i686 During installation, the processes and services

Statement I recently accidentally found the author's personal website http://tiankonguse.com/many of the articles are reprinted by other websites, but the reprinted without declaring the source of the article or reference from the http://tiankonguse.

First, open the installed Virtualbox4.3.12 as follows: Step 2: click "new" to enter the "new virtual computer" Page, enter the name, and select the type and version (three XP 64bit I use here ): Step 3: select the memory size. I will select 512

PWD and OLDPWDPWD indicates the current working directory. After the directory is changed, the system automatically updates the environment variable.OLDPWD represents the previous working directoryExperiment: first enter the/home directory, then cd

1.1. All the operations for this compilation and installation are on the Fedora 20 x86-64 with the kernel version 3.14.4-200. fc1_x86 _ 64. For compilation and installation in other systems, see other articles. 2. Installation preparation: 2.1

Share the configuration of the nginx http server. Article 1: HTTP Server Because tomcat processes static resources slowly, the first thing that comes to mind is to put all static resources (JS, CSS, image, swf) When talking about individual servers,

Samba service Construction Different customers' systems lead to different test results. LinuxSystem Client: Security = user or share   Smbclient-L // 192.168.7.113/westos can all see the shared directory, The difference between the two is that when

The following is a script to kick the user out of the system: #! /Bin/bashRead-p "input your username" userPs aux | grep "^ $ user" | awk '{print $2}'>/opt/killuser // find a user's process and extract the process numberDAT = 'cat/opt/killuser'For

Refer to the source code of ss And netlink related information: http://blog.csdn.net/scdxmoe/article/details/27711205 Implementation result: Gcc netlink_dig_530_7.c-o netlink_dig_530_7./Netlink_dig_530_7 State family l. addr l. port r.

IO. sh # iostat is used to view disk activity statistics # display the load of all devices r/s: The number of read I/O devices completed per second. That is, rio/s; w/s: the number of write I/O devices completed per second. That is, iostat such as

From: http://blog.csdn.net/svitter Cited by: http://bbs.chinaunix.net/thread-775649-1-1.html 1. Disable service stop Netstat-ntlp Kill-9 PID 2. Use two methods 1. ps aux | grep Port Kill-9 PID 2. iptables-I INPUT-p tcp -- dport port number-j DROP 3.