Linux

Linux GDB DebuggingGDB has not been used to debug the program feel that GDB is a very magical thing, if you use it to debug a guarantee you want to forget it is difficult, the following look at its true!GDB OverviewGDB is a powerful UNIX program

(The document has three "time": http://zhweizhi.blog.51cto.com/10800691/1775447)OverviewThe Find command searches for a file of the specified name by traversing the hard disk, so its efficiency is much slower than the Whereis instructions.The

      yum yellow dog Updater, Modified fedora and redhat centos shell front-end Package manager. Based on rpm rpm package and install, you can automatically handle dependency relationships, and install all dependent packages at once,

InstanceLet's take the actual operation example. In the following example, follow code.tgz (red)You can ignore that code.The next one is me in the code directory, separate executionLs-lls-lcls-luAfter the operation results:650) this.width=650; "src="

The type command is used to display the types of the specified command, judging whether the given instruction is an internal or external instruction.Command type:Alias: Aliases. Keyword: key word, shell reserved word.Function: Functions, shell

Tag:linux    string     1. The command is used as a condition to refer to its status result (that is, the execution code succeeds or not), not the output of the command, so the command substitution cannot be used. 2.bash Programming integer test    

Find CommandFind is a very powerful command, it is directly to find the hard disk. The Linux Find command provides quite a lot of search criteria and is powerful. Because find has powerful features, it has a lot of options, most of which are worth

Create files under linux command: VI[1] permissions [2] connection [3] owner [4] User Group [5] File capacity [6] Modified date [7] file name[1]The first character indicates that the file is "directory, file, or linked file, etc."If [d] is the

Linux is a "all-in-one" system, and the identity file in Linux does not pass the suffix, and the Find command searches for the entire system without specifying a lookup directory.I. Command formatFind Pathname _options[-print-exec-ok ...]pathname:

First, install the wget command:Debian or Ubuntu:sudo apt-get install wgetCentos:sudo yum-y Install wgetSecond, the installation of RZ, SZ command:For people who frequently use Linux systems, the RZ/SZ command is a convenient means of uploading

1. Modify Host Name Vim/etc/sysconfig/networkNETWORKING=yeshostname=itcast01 # # #2. Modify IP (change to static IP)Modify the configuration file mode /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE= "eth0"

Open the Find function introduction, we can see the purpose of the Find function and its parameter list:650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M01/80/52/wKiom1c9ypyxJH5eAABX9dcPz4g456.png "title=" Qq20160519221700.png "alt="

Reprint the original address for http://i.cnblogs.com/EditPosts.aspx?opt=1, reprint please indicate the original address, thank you!1. OverviewThe automated publishing platform requires an on-line environment to reinstall the deployment, involving

#接收套接字缓冲区大小的默认值 (in bytes).Net.core.rmem_default = 262144#接收套接字缓冲区大小的最大值 (in bytes).Net.core.rmem_max = 16777216#发送套接字缓冲区大小的默认值 (in bytes).Net.core.wmem_default = 262144#发送套接字缓冲区大小的最大值 (in bytes).Net.core.wmem_max = 16777216The number of maximum

Nginx 0.1 million concurrent Kernel Parameter Optimization, nginx10 thousand kernel parametersKernel Parameter Optimization:Net. ipv4.tcp _ max_tw_buckets = 6000The number of timewait instances. The default value is 180000.Net. ipv4.ip _

Linux Process background running and output redirection, linux redirection The local environment is ubuntu 14.04 Ping www.baidu.com as an example: 1. Foreground running of the program ping www.baidu.com The result returned by baidu is displayed on

How to Upgrade Linux Kernel 16.04 for Ubuntu 4.6 Yesterday, we mentioned in our article that the stable version of Linux Kernel 4.6 has been officially released. How can I install and upgrade Ubuntu 16.04 to the latest Linux Kernel 4.6? Let's take a

Install PlayOnLinux 4.2.10 on Ubuntu 16.04 PlayOnLinux 4.2.10 has been released early this year and can be installed and used in Ubuntu 16.04. PlayOnLinux is a front-end software for Wine. It allows you to easily install and run Windows software

Httping: measure website latency When we encounter network problems, we usually first passPingThis tool is used to understand the basic information. Httping andPingSimilar, but it does not send ICMP requests, but HTTP requests. With httping, we can

Install PhpStorm on Ubuntu Linux: 6.6.1.1 PhpStorm 2016.1.1 is the latest PHP programming software. It has powerful functions including intelligent PHP Editor, Java Script Editor, and HTML/CSS Editor, which greatly improves the code quality, it can