umask 022

The new cloud host environment, the system is CentOS 7 x86_64, needs to be installed on the installation of oracle11.2g. Groping for a long time, finally toss the fix.Download Oracle : Oracle 11.2.0.2 (only download 11.2.0.2 because it is

First, directory PermissionsBefore learning the file permissions rwx, for the file can read the contents of the file (r), modify the file contents (w), the file as a script or application execution (x). What about the catalog?A directory in Linux is

First, installation //直接使用pip安装(pip的安装 http://www.cnblogs.com/yxhblogs/p/8971251.html)pip install supervisor Second, the configuration //运行echo_supervisord_conf 命令重定向到一个配置文件echo_supervisord_conf > /etc/supervisord.conf

The Relink method is used to ensure the normal use of Oracle software when the operating system is upgraded, after the operating system finishes patching, after the Oracle patch is installed, and when problems occur in the relink process.This

umask --Indicates the default permissions when creating a file (that is, it does not need to be set when creating a file) For example, we found under root user , touch A, the default permission for file A is 644 under Normal user ,

The cut command is used to display the specified part of the row, deleting the specified field in the file. Cut is often used to display the contents of a file, similar to the following type command#其中, if you want to specify multiple columns in the

* * Monday to Qing Rui interview, Wednesday morning to the North soft, afternoon to Guo Tong: summarize the following three interview questions:1. How to view Linux system log files?2, 192.168.12.0/24 divided into four network segments, the subnet

I. Basic authority and attribution1. Access rightsREAD: Allow viewing, displaying directory listingsWrite: Allow modification, allow new, move, delete files or subdirectories in the directoryExecutable: Allow to run programs, switch directories2.

Installation and configuration of FTP server (Ubuntu)1. Query whether to install Vsftpd:rpm-qa |grep vsftpd(RPM Installation: Apt-get install RPM)or query the current FTP process: Ps-ef|grep vsftpd2. Install the VSFTPD server : Rpm-ivh vsftpd-*.rpm

I. The relationship between authority and command　　　　Ii. default permissions and hidden permissions for files and directories 1) umask The default permissions for your system (through Umask-s). 　　Umask's score refers to the permission that the

Directories and Paths . This layer directory .. Upper Directory -Previous working directory ~ Home Folder ~ account Specifies the user's home folder, accounts--name CD Switch Directory PWD (Print working directory)

In some cases, the server will not be able to open graphics, it is necessary to use the silent installation of this way, this script is my previous for the store silent installation oracle11g, the transformation of!!Attention:This script is written

Sed-i ' $a fs.aio-max-nr = 1048576 '/etc/sysctl.confSed-i ' $a fs.file-max = 6815744 '/etc/sysctl.confSed-i ' $a kernel.shmall = 2097152 '/etc/sysctl.confSed-i ' $a kernel.shmmax = 536870912 '/etc/sysctl.confSed-i ' $a kernel.shmmni = 4096

Set permissions for directories and files under Linux, including recursive recursion settings for subdirectoriesThe chmod command can change permissions for all subdirectories, there are 2 waysChange permissions for a file: chmod mode File|dirTo

Installing the JDK on Linux is one of the most essential technologies for programmers who choose to develop applications under Linux, and here I use Ubuntu demo to install Jdk1.7 under Linux using the command line (graphical interface is not

This article refers to the different versions of the information on the web, and then their own in the cent0s6.3 x86 and x64 two virtual environments are completed, the installation is the corresponding system of Oracle 11gx86 and x64 two versions,

Cd cd XXX Replacement Directory cd~ Back home Directory Cd-back to previous directory Pwd PWD Current directory path Pwd-p Non-link path Mkdir mkdir XXX Create Directory Mkdir-p Xxx/xxx Creating a

EvalThe role of Eval is to perform command-line processing again, that is, to perform two command-line processing on a single command line.Syntax: eval cmdlineEval will scan the back of the CmdLine two times, if CmdLine is a normal command after the

In Linux or Unix-like systems, each user and process is running in a specific environment. This environment contains variables, settings, aliases, functions, and more. Here is a brief introduction to some of the common commands in the shell

Installation Environment: Release: Ubuntu 10.04 server Kernel version: Linux ubuntu 2.6.32-33-generic-pae #70-ubuntu SMP Thu June 7 22:51:12 UTC i686 Gnu/linux VSFTPD version: 3.0.2 VSFTPD Official website: