Linux

I want to say my own opinion later: If the principles hinder progress, it's a fart, and you're welcome to say that the UNIX principles are out of date. Portability problem: I do not have any BSD system except Mac, of course, on Mac

Linux development is often used in the log, this is very useful, can help us quickly locate the error, such as if we do lamp development, the page does not error, but also no debugging tools, we step by step wrong very good time, and this method is

ZOMBIE: Zombie State, a state that represents the end of a process but not yet extinct, when the process has finished running and freed most of the resources, but the Process Control block has not been released . The process state that corresponds

Welcome reprint, Reproduced please specify the original address: http://blog.csdn.net/majianfei1023/article/details/46811159The recent use of C + + 11, so there is no way to have to upgrade the centos6.6 gcc4.4.7.The GCC compiler has gone to 5.1,

Today I installed the latest chrome, I downloaded the. deb package directly installed.After installation, using Chrome to browse the page, found that the font is big, some small, still unclear.So I searched the internet to set the font.1. Open the

Memory Management (1) Basic concepts:1. Logical address: The offset address + segment selector in the code2. Linear Address: Select a sub-subgrade address from the GDT from the segment + offset address in code3. Physical Address: Actual address

In the Linux system environment, whether it is the root user or other users only after logging on the system with the access to the operation we can see history through the command, but if a server many people landing, one day because someone

Linux is a very automatic file generation system, log, mail, backup and so on. Although now hard disk cheap, we can have a lot of hard disk space for these files wasted, so that the system regularly clean up some unnecessary files there is a

1. Graphics card Information　　DMESG | Grep-i VGA　　Lspci | grep-i VGA //view video card information2.Dmidecode | grep-i ' Serial number 'View motherboard information to view the motherboard serial number3.CPU Information#通过/proc File System　　Cat/proc/

Head Grammar Example Tail Grammar Example Example of head and tail combination usage Head syntax head [-n -k ]... [FILE]...Example The default is to

First, port forwarding using the rintedTransfer 10.50.13.13 80 Request to 10.50.13.11 801, installation rinetdtar zxf rinetd. Tar make make install2. Edit the configuration filevi /etc/rinetd.conf 0.0. 0.010.50. 13.11 the #本机IP为10. 50.13. -3.

System InformationThe processor architecture of the Arch Display machine (1)UNAME-M Display the processor architecture of the machine (2)Uname-r displaying the kernel version in useDMIDECODE-Q Display hardware system

This article from reprint: Original[Demand]use SSH (Secureshell) to connect to an Ubuntu (11.10) system on a local virtual machine in a Win7 environment[Environment]Win7,ubuntu,vmware (8.0)[Scheme]First make sure that you install and start the SSH

TCP disconnection status: Linux nf_conntrack and linuxnf_conntrackThe question is a little big, but it is inevitable that there will be some anger!Our gateway products are currently in the system testing phase, which is not smooth, but not smooth!

Centos yum source configuration, centosyum SourceStep 5: configure the yum SourceStep 1: uninstall the original yum [Root @ localhost home] # rpm-qa | grep yum | xargs rpm-e -- nodepsXargs converts the parameter list into small segments and passes

Install VirualBox Virtual Machine and virualbox Virtual Machine in linuxStep 1: Install VNC 1. Install vnc yum install -y tigervnc* 2. Start vncserver [Root @ xxx ~] # VncserverYou will require a password to access your tops.Password: Verify:

Install nodejs and websocket in centos Software environment: VitrualBox CentOS 1, 6.4 NodeJS v0.12.5 Installation Process: Step 1. confirm that the server has nodejs compilation and dependent software. If not, run the following command to install

Centos7 regularly sends the linux system status by email # Vim/etc/mail. rc Add the following lines at the end of the document: Set from = *** @ 163.com smtp = smtp.163.com Set smtp-auth-user = *** @ 163.com smtp-auth-password = *** smtp-auth =

Play Varnish cache proxy Varnish is an important cache Proxy component in Internet architecture. Varnish generally runs at the traffic entrance, which is very important as a front-end defense. Although Varnish is not as popular as Nginx. Varnish is

Install Memcached in CentOS 6.6 1. Environment Introduction 1) CentOS 6.6 2) memcached-1.4.24 Ii. Deployment and Installation Specific deployment steps: Step 1: Install Step 2: Configure Step 3: Run Step 4: Check Start now: 1) Installation $ Yum