chmod 644

The official description of root fileSystem is FHS (FileSystem hierachy Stardard ). The highest level directories under the root directory have a clear purpose, but many of them are used as multi-user systems, and embedded systems can follow these

Command for modifying file permissions in Linux: chmod In Linux, each file and directory has access permission to determine who can access and operate files and directories. File or directory access permissions are divided into read-only, write-only

Command for modifying linux File Permissions: chmod,In Linux, each file and directory has access permission to determine who can access and operate files and directories.File or directory access permissions are divided into read-only, write-only and

Method 1 for replacing files in batches in Linux: Search for www.2cto.com find. -type f-name "*. html "| xargs grep 'yourstring' 2: find and replace find-name' file name to be searched '| xargs perl-pi-e's | replaced string | g'perl-pi-e in add

Mysql Master/Slave configuration for read/write splitting and mysql Master/Slave read/write splitting In order to solve a large number of concurrent accesses to large websites, distributed load balancing is far from enough. At the data service

Run the command chmodchkgchown to modify linux File permissions.In Linux, each file and directory has access permission to determine who can access and operate files and directories.File or directory access permissions are divided into read-only,

Recently, a formal version of RHEL 6 was downloaded, and an unattended installation using Kickstart was tested in VMware. The method and steps are as follows: Method: FTP + TFTP + DHCP + Kickstart + PXE Prepare two virtual machines, one as the test

Full explanation of Oracle 10g RAC Installation Directory1. ORACLE Database RAC description... 1-21.1RAC system description... 1-21.2 preparations before installation... 1-21.2.1 hardware preparations... 1-21.2.2 quasi-work on software... 1-22.

The crs_stat command in Oracle 11g RAC has many new resource types compared with the previous version. By default, crs_stat-t is used to check that resources are a large piece of data, it looks really laborious. The author Paul Elbow and Enkitec

Premise: machines A and B are all RedHat Linux operating systems and all have user 1. Log On with the user name and run the command on machine. Ssh-keygen-T RSA Press enter without a password Run this operation to generate the id_rsa and

From: http://www.chinaunix.net/jh/19/132866.html ######################################## ##### # # Name: troubleshoot connect internal.txt # # Description: # Connect internal # Connect/As sysdba Password problems: # Refer (Metalink, oracledoc ),

CVS is a widely used, open-source, and network-transparent version control system. When using CVS, you must first set up a CVS server, import a project instance to the CVS server, and set up CVS project access control. The customer accesses the CVS

These things are just a bit confusing for new users. Here is my installation notes. It is successfully installed on the centos virtual machine. For more information about how to install MySQL 5.0 on Linux, how to install PHP 5 on Linux, how to

SSH security tips ---------------------------------------------------- I. Preface I don't need to talk about the advantages of SSH?For example, the previous RPC command and Telnet can all be replaced by SSH.For example, the following common

  In Windows, XAMPP is a green light, while in Ubuntu Linux, it is a red light, with many errors. This also shows that Linux is not for cainiao at all. 1. If you start lampp directly, MySQL will not start it. Solution: Chown-r nobody. Root/opt/lampp/

Login: SSH [hostname]-u user Enter the password :***** After login, you can control it like you control your own machine, but there is no visual interface. But now I have used two versions of Linux (SUSE and fc5) that can use tools similar to the

Every time you install the Ubuntu Desktop System, there are always some trivial issues that need to be solved one by one. Linux, after all, is not like windows, and many operations still need to be completed by commands. Because these operations are

1. Check whether net-snmp supports Io monitoring. Snmpwalk-V 1-ip ucd of the cpublic monitoring machine | more Run the preceding command. If the returned data is similar to the following, the monitoring of diskio is supported. Otherwise, the

    Recently I have created several offline maps for iPhone 4. I would like to sum up my experience:   1. Original Map download Use Global Map downloadTool Download, many online tutorials.   2. Convert to iPhone format Use the '-> iPhone' function

Direct File Replication in different regions: SCP The full name of SCP is secure copy (remote file copy program). This command is included with OpenSSH-clients. It is used to copy data between machines, the transmission between machines is