Linux

1. Format description"[email protected] Simon" $"[Email protected] ~" $Both of these methods represent the same. Simon is the specified user, localhost is the computer name, if not set to localhost by default. Simon, ~ refers to the directory where

I call the wind in the mind, after the old boy education ops 5-6 months after the study, I must achieve the salary target is 10K, in order to achieve this goal I will take the following 10 major actions or programs:1 , to push off all social

What is RPM?RPM is a package format with a file extension of ". RPM", and its management mechanism was first suggested by Red Hat, and later as the version was upgraded to incorporate more outstanding features, it became the accepted package

There are three standard input and output in Linux, namely Stdin,stdout,stderr, the corresponding number is 0,1,2. STDIN is the standard input, read the information by default from the keyboard, stdout is the standard output, by default output

Pietty specifying a private key to remotely log on to a Linux hostThe problem stems from the fact that the remote Linux host does not allow password logons (security considerations) and can only log in with the specified secret key, which is the.

A summary of memory exhaustion:1) before the process receives an oom, the kernel refreshes the file system's cache to free up space.2) Move the Swap area page to disk.3) When memory becomes small, virtualization enables each process to make a simple

Recently in the Linux system to play some svn things, feel a mess of head, so I tidied up some beginners must understand the basic commands:1. SVN--version: View the SVN client version under the Linux system. Client side version should be consistent

1. "The NTP socket is on use, exiting" error appears. The reason for this is that the system NTPD server is running and can be via PS aux | grep ntpd View, if you still want to manually synchronize time, you must first stop the service, the command

Unlike sending network packets, network packets are asynchronous, because you are not sure who will send you a network packet suddenly, so this network packet logic actually contains two things: 1. Notification after the arrival of the packet2.

The simple definition of tcpdump is: The dump the traffic on a network, based on the user's definition of the packet interception of packets on the Data Packet Analysis tool. Tcpdump can intercept the "head" of the packets that are transmitted in

On CentOS 6.3, you can use an external SMTP server to send mail by installing MAILX.Yum Install Mailx-yAfter the installation, edit the configuration file.Mailx-v12.4 7/29/08 RPM-QC MAILX/etc/mail.rc Vi/etc/mail.rcAt the end of the file, add the

Use Samba to back up Linux system logs to Windows systems for viewing and analysis.I. Linux as a server,1.VI /etc/samba/smb.confAdd the following line at the end of the file:[Share]Comment=this is Linux share directoryPath=/home/myth/share hosts

Multiple ADSL load balancing in Linux Preface: Many tools can be used to implement the functions bundled with ADSL, such as RouteOS, vyatta, and panabit. However, my company usually uses many Linux systems. I was inspired by RouteOS and verified

Configure GAMIT automatic email sending in CentOS System Preface When you use the GAMIT/GLOBK software for automatic batch processing, you can enable the software to send emails after processing is completed. However, many of my friends said they

Year-end benefits: PHP7 + Apache2.4 + MySQL5.6 source code compilation and installation, Environment configuration, build your own LAMP environment, php7apache2.4 PHP 7 is out. Are you still playing with PHP5? MySQL5.6 came out early. Are you still

Set or modify network configurations (IP & gateway & DNS) in CentOS)CentOS IP address Modification # Ifconfig eth0 192.168.1.80 In this way, the IP address is changed192.168.1.80 (if you find that the network cannot be connected, you may need to

Commands that should be run by Linux administrators: sed and awk Image Source: Shutterstock Do not let the next-generation Linux and Unix administrators forget the benefits of initializing scripts and basic tools. I once saw a post in Reddit, "How

Install PHP on yum in CentOS Install PHP on yum in CentOS Add yum Source CentOS 6.x Source # Rpm-Uvh http://download.Fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm# Rpm-Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

Build an OpenvSwitch network with two laptops Environment Description: Both laptops A and B run Ubuntu 14.04. The two laptops use A wireless network adapter to access the Internet and use A network cable to connect the two laptops with A wired

Notes on installing SVN Service in ReadHat Linux 5.5 Notes on installing SVN Service in ReadHat Linux 5.5, Subversion independent Service, and apache integrated Service. I. Svn Independent Service Installation Operating System: RedHat