chmod 644

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Create a department email server using Qmail in Linux

Article Title: Use Qmail in Linux to create a department email server. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

Oracle10gOCP042 Question Bank 1-30 questions 168 questions

Oracle10gOCP042 Question Bank 1-30 questions a total of 168 questions, the data before the Checkpoint has been written to the data file. Therefore, you can use restore to restore the data. While checkpoi Oracle 10g OCP 042 Question Bank 1-30

How to configure a Secure Linux Forum (on) with phpBB2)

Article Title: how to configure a Secure Linux Forum (on) with phpBB2 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and

View and modify linux File Permissions

View and modify linux File permissions-Linux general technology-Linux technology and application information. For more information, see the following section. View linux File Permissions: ls-l file name View linux folder permissions: ls-ld folder

Some security tips for SSH in CentOS

Some security tips for SSH in CentOSPreface I don't need to talk about the benefits of ssh? For example, the previous rpc commands can be replaced by ssh in telnet: -Remote Logon ssh user@remote.machine -Remote Execution ssh

SSH Password-free login permission denied (publickey,gssapi-keyex,gssapi-with-mic) solution!

When the permission denied (publickey,gssapi-keyex,gssapi-with-mic) warning appears, congratulate you, you have been very close to the success.The remote host is set to Slave2 and the user is Hadoop.Local host set to Slave1The following are the

LinuxShell Command Interpreter: permission management chmod

Article Title: LinuxShell Command Interpreter: permission management chmod. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and

In Linux, the font of Windows XP is used to beautify Chinese characters.

Article Title: beautify Chinese Characters in Windows XP font in Linux. Linux is a technology channel of the IT lab in China. Some basic categories, including desktop applications, Linux system management, kernel research, embedded systems, and open

How to modify file permissions in Linux

Article Title: how to modify file permissions in Linux. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open-source, and other basic categories to

How to configure a host-based Intrusion Detection System on CentOS

How to configure a host-based Intrusion Detection System on CentOS One of the first security measures that any system administrator wants to deploy on its production server is the file tampering detection mechanism. Criminals tamper with not only

Install Multiple MySQL databases under CentOS5.2

1. Compile and install the first MySQL5.1.33cdoptusrsbingroupaddmysqlusrsbinuseradd-gmysqlmysql-sbinnologin-dusrlo 1. Compile and install the first MySQL 5.1.33cd/opt/usr/sbin/groupadd mysql/usr/sbin/useradd-g mysql-s/bin/nologin-d/usr/lo 1.

Linux SECURITY: Step by Step (3) (1)

NFS serviceNetwork file systems constitute the basis for sharing files in the Unix world. If you want to disable any shared directories, you can add NFS restrictions, such as locking the/etc/exports file and defining the shared directories in

Install and uninstall fonts in Ubuntu

Taking the installation and uninstallation of the font as an example, because I am a dual system, I copied the msyh directly from Vista. ttf and msyhbd. ttf to Ubuntu 1. Create a folder under/usr/share/fonts/, for example:

Modify linux File Permissions

Modify linux File permissions-general Linux technology-Linux technology and application information. For more information, see. Command for modifying linux File Permissions: chmod Usage: chmod XXX filename ××× (Owner \ group Users \ other

How to put the ntfs module into the kernel

Article Title: how to put the ntfs module into the kernel. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1.

Complete display of Oracle 11g RAC crs_stat command results

The result of the Oracle 11g RAC crs_stat command shows that the crs_stat command in Oracle 11g RAC has many new resource types compared with the previous version. By default, the use of crs_stat-t to view resources is a large piece of data that

How to easily build a CVS server in Linux

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

Linux chmod command details

Linux chmod command details The chmod command is very important for changing the access permissions of files or directories. You can use it to control access to files or directories.This command can be used in two ways. One is the text setting

Four functions of the Apache server

Apache server has four functions:1. Basic webpage;2. personal homepage;3. Virtual Host;4. webpage authentication; If you do not know which one you are using, make the following changes: 1. Basic webpage Configuration:Modify the main configuration

Offline map for iPhone 4

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

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