Linux

Single-process programming: Sequential execution of data synchronization complexity low-use singleMulti-process programming: Simultaneous execution of data asynchronous complexity high versatility1. The advantage of multi-process is that the

Transferred from: Http://blog.163.com/[email protected]/blog/static/8442751200710255441327/1. Preface: Some programs can be compiled, but at run time there will be segment fault (segment error). This is usually caused by a pointer error. But this is

1. Find Java-related lists[root@localhost ~]# yum-y list java*Loaded Plugins:fastestmirror, Refresh-packagekit, securityLoading mirror speeds from cached hostfile base:mirrors.zju.edu.cn Extras:mirrors.aliyun.com

Look at an example of a coredump:[[email protected] s1_ex]$ gdb xuzhina_dump_c07_s1_ex core.27776 GNU gdb (gdb) Red Hat Enterprise Linux (7.2-75.el6) C Opyright (C) free software Foundation, inc.license gplv3+: GNU GPL version 3 or later this is

Installing memcached on your Mac is similar to installing memcached on a Linux platform.The main need to do two pieces:I. Installation of Libevent library;Two. Install memcached;I. Installing the Libevent LibraryLibevent is a library that

today I would like to talk about "how to become a good Linux OPS personnel?" " I will be from the following three sections and you analyze the current situation of the Linux industry and how to learn and use good Linux." first, the Linux industry

Installation and use of KVM virtualization technology under LinuxThe advent of the cloud era, the widespread use of virtualization. Let's redefine the technology . And today's well-known virtualization products are VMware vsphere, HYPER-V,XEN,KVM.

VI ~/.BASHRC, add a function1 Svnlog () {2SVN log"[email protected]"|awk-F CatEOF3#!/usr/bin/awk-F4 5# Convert the"SVN log"Output into a one liner format,whichis easier togrep6# or useinchScripts. Pipe"SVN log"Into this script7 8# when we get a line

Through the Linux network programming-the original socket programming, we know that we can get the link layer packets through the raw sockets and recvfrom (), what is the link Layer Packet we receive ? Link Layer envelope formatMAC head (wired LAN)

A few months ago, opensuse13.2 out, has been itchy hands, an empty installed one. At that time in school, has been using the campus network, but also for a long period without using 3G network card. Go home, do a 3G network card, the results plug in

The Linux clock is divided into the system clock and the hardware (Real time clock, or RTC) clock. The system clock is the clock in the current Linux kernel, and the hardware clock is a battery-powered clock on the motherboard that can be set in the

var directory/var includes data to be changed while the system is running. These include directories that each system is specific, that is, that cannot be shared with other computers, such as/var/log,/var/lock,/var/run. Some directories can also be

Install nagios 4.0.8 on centos 6.5 Disable selinux Setenforce 0 The permanent method is Vi/etc/selinux/config The status changes to disabled. SELINUX = disabled You need to restart the server. Disable Firewall /Etc/init. d/iptables stop Delete

Installing the scientific computing package numpy and SciPy in Python In Python, the installation of most toolkit is very simple. You only need to execute the "python setup. py install" command. However, the installation process is complicated due

Getting started with Linux: Debian download, installation, and graphical interface Linux has many versions, which are rare compared with non-professional users. Unlike Windows systems, we know a little bit about it. for lower-configuration machines,

Install vnStat on CentOS to monitor ECs traffic In addition to the Panel provided by the service provider, we can also install vnStat to monitor the upstream and downstream traffic of your VPS or server on a daily basis. The vnStat installation

Use and configuration of yum in CentOS Recently, due to server requirements, you need to build an intranet yum source in the company's intranet. To build an intranet yum source, perform the following steps: 1. What is yum? 2. What is a repo file? 3.

Zabbix enterprise application server hardware information monitoring Now we will introduce the Zabbix monitoring server hardware information. Because our company's servers use dell (our company is a mobile game, and all servers are dell), the server

Three LVS Load Balancing modes and eight Scheduling Algorithms for LVS Load Balancing Three LVS Load Balancing Modes In the implementation technology of the scheduler, the IP Server Load balancer technology is the most efficient, and the IP virtual

AWS-based media Sharing System Architecture Media sharing is one of the most popular markets on the Internet. Customers have a strong desire to put photos and videos on their social networking websites and share their media content in custom online