Linux

Linux displays memory size in kilobytes[Email protected]:~$ free-k Total used free shared buffers cachedmem: 3103064 1739452 1363612 8244 67772 700036-/+ buffers/cache: 971644 2131420Swap:

standard input, output and error---------------------------------File descriptor---------------------------------Input file-standard input 0Output file-standard Output 1Error output file-standard error 2--------------------------------- 1. REDIRECT

Take the first blog to summarize the basic knowledge of Linux learned by previewing the third course, but put it in one piece, the estimated number of words will be too much, feel almost to re-open an article. Let's talk about it before summing it

Http://www.cnblogs.com/yanlingyin/archive/2012/04/23/2466141.htmlThere are two ways to manipulate files under Linux: System call and library function call (library functions). can refer to "Linux Programming" (the original English version of

Some Linux distributions provide a quick way to add a program icon to the desktop, but some distributions may not be available, or just get started with a release, and haven't been found yet. At this point, we can manually add a shortcut to the

when the Ubuntu operating system is released, it is only equipped with basic system software and application software to reduce the volume of the operating system. Most of the software that we need to use in our development needs to be updated from

About logging in to Linux,/etc/profile, ~/.bash_profile, and so on several files of the execution process.The procedure to execute a file when logging on to Linux is as follows:When you first log in to Linux, start the/etc/profile file, and then

1. Download the Generate Key Tool putty kit inside the puttygen.exePutty Tool Small portable, do not need to install, you can use Baidu free download.2, double hit Open puttygen.exe, the lower right corner "number of bits in a generated key" set to 2

Original linkhttp://youlvconglin.blog.163.com/blog/static/52320420106243857254/Telnet to Linux and Solaris using the graphical interface, first to open the XDMCP service on the server and use Xmanager connection under WindowsUnder Ubuntu, the client

Linux crontab is timed, the following Cron service is the meaning of the timerCrontab-l List all cron servicesCRONTAB-E Modifying the Cron serviceCrontab-r Delete Cron Service1. QuestionsYou may not be able to modify when using CRONTAB-E, because

Iftop Viewing bandwidth usage (total)Yum install-y iftop Installation IftopNethogs Viewing process trafficCurl http://218.5.73.233:8060/ip.php View Egress IPTo view the current thread:Ps-ef|grep JavaPs-ef|gerp Com.meiya.main (package name)1, the CPU

1. FundamentalsAddress Resolution Protocol, which is ARP (Resolution Protocol), is based onIP AddressGetPhysical Addressof aTCP/IP protocol. HostARP Request that contains the destination IP address when the message is sentBroadcastingto all hosts on

Examples of common usages of Find in Linux find Path-option [-print] [-exec-ok command] {} \;The parameters of the Find command;The directory path that the Pathname:find command looks for. For example, use. To represent the current directory, and/to

How to create and decompress zip, tar, tar.gzand tar.bz2 files in Linux, tar.gztar.bz2 Data Compression has been very useful for us over the years. Whether it is a zip file used for sending images in an email or compressing data files on the server,

Stack frames of Linux processes and functions in processes It mainly understands the differences and connections between the stack frames of Linux processes and the stack frames of functions. It depicts the structure of a Linux Process. The

VMware Workstation VM cloning method Since learning about and using the VMware Workstation Virtual Machine, it's really a good thing! We often use virtual machines for various tests. It is a waste of time for beginners to reinstall the operating

Analyze assembly code to understand how computers work, assembly code to understand computers For reprinted original works of Zhou yuyong, please indicate the sourceLinux Kernel Analysis MOOC course http://mooc.study.163.com/course/USTC-1000029000

Linux getting started Tutorial: build your own Vim In a Linux system, many things exist in the form of script code and configuration files. When using a Linux system, these files must be edited frequently. Obviously, without a text editor, it would

How to create a fully automatic installation CD for CentOS 7.0 How to create a fully automatic installation CD for CentOS 7.0 1. Copy the CD File 1) attach an iso Image Create a directory for attaching a CD:Mkdir/root/centos7 Mounting an iso

Nginx virtual hosts use different root Paths Based on different domain names I. Application Scenario DescriptionTo meet the needs of development colleagues, Nginx in the development environment can use different root Paths Based on different domain