Linux

1. Network Environment View Commands　　Ifconfig commandTo view or temporarily modify network status commandsYou can see the IP, subnet mask ... Information　　Shutting down and starting the network card　　　　ifdown Network card device name (e.g. Ifdown

There are many server design techniques, according to the protocol used to divide the TCP server and UDP server, according to the processing method to divide the loop server and the concurrent server .cyclic server and concurrent server modelin the

In Linux, development often encounters many errors (setting errno), where Eagain is one of the more common errors (for example, in non-blocking operations).Literally, it is a hint to try again. This error often occurs when the application is doing

"Copyright Notice: respect for the original, reproduced please retain the source: blog.csdn.net/shallnet, the article only for learning Exchange, do not use for commercial purposes"Assembly language programs consist of well-defined segments, each of

Transferred from: http://www.jb51.net/LINUXjishu/70474.htmlLinux provides us with two commands for file copy, one for CP and one for SCP, but they are slightly different.CP---mostly used to copy files between different directories on the same

Objective:1 SOLR is a severlet, processing data only2 Tomcat is an environment that runs Serverlet, which is a serverlet containerThat's probably what it means: One access request comes in, the Tomcat is first reached, then Tomcat turns the request

A zone may have primary DNS, from DNS, subdomain DNS, this section with the primary DNS authorization subdomain for example explained. Subdomain Authorization configuration process:1. Edit the primary DNS forward zone

Yum (full name Yellow dog Updater, Modified) is a shell front-end package manager in Fedora and Redhat and SuSE. Based on RPM package management, the ability to automatically download the RPM package from the specified server and install, can

A zone may have primary DNS, from DNS, subdomain DNS, this section with the primary DNS authorization subdomain for example explained. Subdomain Authorization configuration process:1. Edit the primary DNS forward zone

We know that in the Linux kernel, different CPUs have different byte-order definitions for different CPUs.This section of the year is mainly about: different CPUs, the definition of the individual bits is also different.The Linux kernel version used

Simply list the basic commands and share only my thoughts!based on Linuxkernel is multi-tasking OS,Windows NT Kernel is a single multitasking os,os Kernel features nothing but "connecting" That is, drive hardware, provide system calls for

The DT block format This chapter defines the format of the FDT (flattened device tree) passed to the kernel. The properties it contains and the attributes required by the kernel are described in subsequent chapters.Note: The DT block should be

Linux system time and hardware time settings, linux hardware1. Introduction In Linux, there are two types of Clock: hardware clock and system clock. The hardware clock refers to the clock device on the motherboard, that is, the clock that can

Centos6.5 two NICs are configured with one Internet connection and one LAN connection Centos6.5 dual-nic configuration of an On-premises network connected LAN1. Configure DNS Modify the DNS configuration file of the corresponding Nic# Vi/etc/resolv.

30 things to be done after minimal RHEL/CentOS 7 installation (2) 7. install PHP PHP is a server-side scripting language used for basic web services. It is also often used as a general programming language. Install PHP in CentOS with minimal

CentOS installation RAR On windows, there is a convenient rar compression and decompression tool. In linux, whether as a PC or server, sometimes some rar compressed packages will be downloaded, we need to decompress it. By default, linux does not

One linux Command every day-crontab and linux Command-crontab The crontab command is used to submit and manage users' tasks that require periodic execution. Similar to scheduled tasks in windows, this service tool is installed by default after the

Install Freeradius + daloRADIUS in Centos with ros pppoe for verification Install the LAMP environment: yum -y install httpd httpd-devel mysql mysql-server mysql-devel yum -y install php php-devel php-mysql php-common php-gd php-mbstring

On a Linux server, how does one check whether there is a wireless network card? Or the server in the lab. There is no interface, so I want to use some commands to link the hotspot. Of course, in Linux, the connection to wifi is not as good as

CentOS 6 High Availability service Heartbeat v3 installation and configuration System: CentOS 6.6 x86_64 (two virtual machines)Security: SElinux disabledNetwork: Business Network + heartbeat NetworkHeartbeat version: v3.0.6Cluster Gule version: v1.0.