Linux

I. Modifying the Linux host name1.hostname Host Name[Email protected] named]# hostname ifs.com2.vi/etc/hosts[Email protected] named]# vi/etc/hosts127.0.0.1 ns.ifs.com::1 localhost localhost.localdomain localhost6 localho

1 . Linux Directory Operations Command ------Directory of Add, delete, change, check------CD , pwd, LS, mkdir, mv, ls (DU, DF, tree) Switch directory,the details of using a CD-like display directory with window LS-LD switch directly to the root

This article records the driver framework for character devices:1. Define the Cdev interface body and class structure body#define hello_cnt 2staticint0; // The main device number is 0, you need to have the system automatically generate the main

One. To view the kernel version command:1) [[Email Protected]_sys ~]# cat/proc/versionLinux version 2.6.18-238.el5 ([email protected]) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-50)) #1 SMP Sun Dec 1 9 14:22:44 EST 20102) [[Email Protected]_sys ~]#

1. Download the installation fileThe bin binary installation file cannot be found in Oracle and can only be installed using the RPM package: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.htmlSelect version:

In general, the type command is used to determine whether another command is a built-in command, but it actually has more usage.1. Determine whether a name is currently alias, keyword, function, builtin, file, or nothing:The output of type LS is the

Sometimes accidentally opening the same program two times will cause unexpected errors, the following describes a method to prevent this situation, the test is available.Add the following code to the program1#include 2#include 3#include 4#include

Chinese can be found online, but the author provides a full version of the download. Trouble to download not to say, security problems are not guaranteed. In fact, the solution is simple.Problem Description: Enter the mono source directory,

10 years ago in the CSDN forum, there were ongoing discussions about Windows and Linux, and the more popular view was that Windows had a promising, Linux and MacOSX not. The fact is that the PC installed in the Windows accounted for more than 95% of

has been in Ubuntu12.04 and 12.10 Desktop under the play, now to Centos6.3 Server version under the development, the feeling is very different. Overcoming one has a feeling of not being smooth after having that kind of standing on top of the

Talk about the word "server" this time.May feel why "suddenly ask this?" 」。 Next, please consider the following topics first.A) "web server refers to the software that provides Web page data"B) The "web server is the hardware that runs the above

First: User 1: Configuration file /etc/passwd /etc/shadow 2: Process File/etc/passwd Find account----> file/etc/shadow match password---> load corresponding shell 3: File /etc/passwd Account name: Password: uid:gid: User description Information:

1. Relationship between the transmission interface of the hard drive and the device file nameAt present, the transmission interface of the hard disk mainly has the following several:IDE interface: The IDE interface uses a wide range of cables, each

6 months , today in the backup data is again a condition: All files with non-English characters in the file name are deleted from the Linux server , and when you want to re-copy when the file is under Windows, an error is displayed:Invalid or

Linux can only be accessed in NTFS format.1. Use fdisk-l to view the partition table.2. Then use the Mount-t vfat/mnt/hda1/dev/hda1 to do it./MNT/HDA1 is a common directory/dev/hda1 is a device file.HDA1 applies the first partition to the

Rsync installation ConfigurationYum-y install rsyncConfigure rsyncThe rsync service requires three files.Rsyncd. conf rsync service configuration fileThe rsyncd. secrets rsync service user password file must be an existing user on the serverRsyncd.

Only file owners or privileged users can use this function to change the file access mode. Mode can be in the digital format or in the who opcode permission format. Which is optional. The default value is a (all users ). Only one opcode can be

Minfo command -- display of parameters of the ms-dos File System   Minfo command is mainly used to display the parameters of the MS-DOS file system, including the number of sectors, the number of Magnetic Head, number of cylinders, etc. The

Isosize command: The file system size is displayed on the file system iso9660. The isosize command is used to display the size of the iso9660 file system. It can also make common files or block devices, such as/dev/sr0 or/dev/sda. if no related

Command introduction: This command is used to identify the file type and identify the encoding format of some files. It obtains the file type by viewing the file header information, rather than determining the file type through the extension like