Linux

Kernel version: 2.6.34 Land from the table as the core data structure of the three-layer protocol, understanding it is essential. Previous analysis of crossings by the table, interested can refer to: Chapter One: Routing table http://blog.csdn.net/

These days due to the work needs, pondering a bit of Linux under the multithreading of the relevant information. The most common multithreaded support library under Linux is the Pthread library, which is an integral part of the GLIBC library.

1.Linux provides a wealth of help manuals, and when you need to see the parameters of a command, you don't have to go around surfing the internet, just man. All the man pages belong to a specific field, represented by a single character. Linux is

Regular cleaning of outdated and junk files, maintaining a reasonable space usage of the file system, is a system administrator's daily work. Simple system commands or scripts can be implemented for small to medium sized file systems, but file

When you compile and install software on Linux, you often encounter./configure prefix=usr This command ... what does/configure-prefix mean? Here is a brief introduction to the use of/configure-prefix. The installation of the source code typically

Although the Digitalocean merchants do not have the Asian data center that we desperately need (the Singapore is not too good), but from the old left contact to the user, as well as the current I also have the machine on the above look, stability is

The first method is as follows Today, looking at a 710 server, I found the following questions: [Root@bj-bx-128-98 ~]# ifup eth1warning:deprecated config file/etc/modprobe.conf, all config files belong into/etc/modprobe.d/.warning:deprecated

On two Linux hosts due to the needs of the environment, often to configure the two host between the password-free login, which will be used to key authentication, that is, the so-called public key authentication. Easy to understand, I'm here to

Linux basics, Linux file and folder permissions, do not have 777 permissions. Online tutorials are too complex?? The プ of the horse flies?.. First, view Linux file permissions Ls-l (General)LL (Ubuntu applies, equal to Ls-al) Second, the

Do you remember the first time you used the Linux system? Like everyone else, maybe you have a painful installation experience, perhaps you also use FIPS or partition magic to increase your hard disk space, perhaps you have been cautious, scary,

There are two ways to implement the site load, one is to buy hardware to achieve, such as hardware F5 to Citrix Netscalar, these devices are hundreds of thousands of, not the average person to play, the other is to use software to achieve, such as

Whether it is the Enterprise room or IDC data center, because of stability, security and other aspects of the use of Linux operating system, and Microsoft's products SCOM2012, using the relevant MP package, you can simply realize its monitoring.

Introduction to Apache POI Apache POI is a set of Java APIs for accessing Microsoft Office format documents (Word, Excel, and PowerPoint). The API used to manipulate Excel format files is HSSF, and the API for manipulating Word format files is HWPF

In fact, this tool I have known for a long time, the previous period to do experiments, always problems. Can not solve their own. Very tangled, very depressed, very egg pain .... Perhaps the luck is better today, install the software package, then

1.RPM is an open package management system that provides a way to quickly install packages 2.RPM is not a good solution to package dependencies, so there are yum. RPM command 3. Install RPM Package general use RPM-IVH upgrade package general

Review In recent years, with the widespread use of Linux, time programming has put forward higher requirements. Real-time applications, multimedia software for the clock and timer precision requirements, in the early Linux kernel, the timer can

The representation method and parsing of file permissions under Unix SUID is the set User ID, SGID is the meaning of the set Group ID. You can use the Ls-l command to see permissions for files under UNIX. The format of the notation obtained with

The conditions for this problem occur are:Install NPM on Linux in the Bitcore official form, with an error:Downloading bitcoin:https://github.com/bitpay/bitcoin/releases/download/v0.12.1-bitcore-4/NPM err! Linux 3.16.0-4-686-paeNPM err! argv

1, TCP/IP Protocol Overview 1.1, OSI Reference Model and TCP/IP Reference Model the OSI protocol reference model is developed based on the recommendations of the International Organization for Standardization (ISO), from top to developmet into 7

first, the purposeThis article describes the new file or folder, delete files, or folder commands under Linux. Touch is able to create new files and mkdir to create new folders. RM is used to delete files or folders. This article will choose the