file system

First, install Linux I installed the Oracle company compiled Linux 4.4 (5 also came out, but the Chinese support is not good, garbled) 1. If the most important role of this server is to install Oracle, then directly assign the file system to

ACL permission control Set ACL permissions: Setfacl To view ACL permissions: Getfacl The main purpose of ACL privilege control is to provide specific permission settings beyond the traditional Owner,group,other Read,wirte,execute permissions, and

Windows 8 will include more security features to provide users with better security protection and to protect end users from threats from the network. Microsoft has strengthened the Windows Defender Security program to protect users from all types

This article mainly introduces the MySQL Operation Environment optimization (Linux system), this article optimizes the Linux default IO scheduling algorithm, expands the file descriptor, disables the NUMA characteristic, modifies the swappiness

Oracle is a relational database management system, which has powerful function and excellent performance, and occupies an important position in today's large database management system. Under normal circumstances, Oracle database will ensure data

Problem: We may often experience the frequent shutdown of SQL Server databases. After analyzing memory and CPU usage, we need to continue to investigate whether the source is in I/O. How do we recognize that SQL Server has I/O-related bottlenecks?

Confirm that the session is automatically open or need to be opened manually by Session_Start (): ; Specifies whether the session module starts a session automatically when the request starts. Default is 0 (not started) ; Initialize session on

How to differentiate between Win7 Professional Edition and Win7 flagship edition? The following small series for the majority of users to introduce Win7 Professional Edition and Win7 flagship version of the difference between it. 1, the WIN7

In centos6.2, it is divided into two files, one in/usr/include/asm-generic/errno-base.h, the other in/usr/include/asm-generic/errno.h The contents of the/usr/include/asm-generic/errno-base.h file are as follows: #define EPERM 1/* Operation not

  (a): first the development environment required for the production of the Linux root file system. 1: Porting Linux kernel version: linux-3.0.1 (as long as it is available) 2: Cross-compilation tool: ARM-LINUX-GCC 4.3.2 (optional) 3: File system

Shutdown: Poweroff or shutdown-h now or init 0 Reboot: Reboot or Shutdown-r now or init 6 Close X-window:init 3 Start X-window:init 5 or start X View IP Address: ifconfig Linux kernel version: Uname-r Basic command 1, view a port number,

A. fdisk command FDISK is a disk partitioning command that uses detailed commands to view related documents Use command fdisk-l to view the partition status of the current disk Two. DF command DF is from the Coreutils software package, when

The three most basic permissions for a file are read and write execution R, read, can read files, directories can list directories of files listing 4 W, write, can modify delete file, for directory can create delete file 2 X, execute, can execute

Access rights are strictly set To ensure the security and stability of Windows systems, many users use the NTFS file system, so the access rights of shared folders are restricted not only by the share permissions, but also by the access rights