Linux

# Groupadd Oinstall# Groupadd DBA# useradd Oracle-g oinstall-g dba# password Oracle********Specify directory# mkdir/u01/app/oracle-p# chown Oracle.oinstall/u01-r# Vim/etc/redhat-releaseNew Xshell Oracle User Loginmodifying environment variables$ vim.

Problem:(GDB) ListNo symbol table is read.Please use the "file" command.The reason is actually relatively clear, there is no symbol table in the running file, why is there no symbol table? Since the symbol table is used during compilation, it is not

Cursor movement 1 2 switch to command line start . ctrl + e  switch to the end of the command line Cut paste 1234567 . Ctrl + u Clear (cut) the contents of the cursor before. Ctrl + k

1 basic data unit for Cut command processingAs with most text processing tools, cut is also based on the behavior of the basic data unit.2 use of the Cut commandGu Mings, cut is to cut out the rows to meet the conditions of the data, the return is

Configuring character SetsLang=zh_cn.utf-8Configuration timeoutExport tmout=10 (10 seconds)Command: History-D: followed by the specified line number delete command history-d 10 Delete line Tenth-C: Clear all historyExport histsize = 5 (command line)

1. Use Nginx server if you encounter timeou conditions, you can set parameters as follows, using fastcgi:Fastcgi_connect_timeout 75; LinkFastcgi_read_timeout 600; ReadFastcgi_send_timeout 600; Send a requestThese two options.Fastcgi_read_timeout is

1: Confirm that the JDK is installed2: Upload the Linux tomcat compression package to/usr/java3. UnzipTAR-ZXVF apache-tomcat-7.0.30.tar.gz4: Configure Environment variables4.1 Vim/etc/profile4.2 Add on last sideExport

1, Java official website Download the relevant JDK package2, configure the system environment variables, edit the/etc/profile file, add information at the end of the file:Export java_home=/usr/jdk1.8.0_101Export Jre_home= $JAVA _home/jreExport

This lab environment uses VMware10.0 to install ubuntu 14.04 vmware,inc. (Virtual machine Ware) is a " Virtual PC"software company, providing servers, desktopsVirtualization ofsolution. ItsVirtualization ofThe platform's products include the player;

I. Introduction to NFSNFS is the abbreviation for the network file system, which is the web filesystem. A type of distributed file contract, developed by Sun Company. The function is to allow different machines, different operating systems to share

In the development phase need to use TFTP and other development tools, then configure the Linux network, first ensure that the Windows network IP address is a fixed IP,1. Assume that the Windows IP address is 19.168.2.10Subnet Mask:

Binary packages (binary) and source code packages (sources) are two types. Binary packages can be installed directly on the computer, and the source code package will be automatically compiled and installed by RPM. Source code packages often use src.

Linux Configuration Global JDK1. Ensure that the Apache-tomcat and JDK files are compressed in the appropriate folderNote: JDK files must be files adapted to the Linux version(If you already have the file, you can skip the following 第2-3个 steps)2.

0x00. What is a threadis the smallest unit that runs independently of the computer and consumes very little system resources at run time. Threads can be thought of as the basic unit of CPU time allocated by the operating system. A process can have

Ftp errors 425 and ftp errors 425 Build an ftp on centos. After everything is configured, it will still appear when I access425 Failed to establishConnection. This error is found. It turns out to be -A input-j REJECT -- reject-with

Development Tools ~ Nuget configuration local source, development tool nuget Configuration We have deployed our nuget server locally. Sometimes we need to use the nuget restore command to restore the package. in config, read your configuration

Vi cursor movement command, vi cursor command I. Overview In vi, the basic cursor movement commands include h, j, k, and l. H indicates that the cursor moves 1 bit left, j indicates that the cursor moves 1 row down, k indicates that the cursor

Shell file inclusion,Create two shell script files. The test1.sh code is as follows: #! /Bin/bashurl = "http://www.cnblogs.com/freescience"The test2.sh code is as follows: #! /Bin/bash # Use the. Number to reference the test1.sh file ../test1.sh #

Continuous Integration ~ Jenkins builds GitHub project implementation, jenkinsgithub With the basis of the previous two lectures, we can now implement the github project in CI (jenkins) so that it can be automatically integrated and deployed for

Tcp_wrapper filter,1.1 Introduction to wrap Wrap works at the library level between the kernel space and the application. When the kernel receives the data packet and is ready to be transmitted to the user space, it passes through the database layer.