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One: RequirementsUsing a Linux socket for file transfer, this time only supports the client side to upload files to the sever sideTwo: Implementation tips:Client.cThere are two parameters for the client, namely the server hostname and port;Enter the name of the file you want to transfer in the while loop, and then set up a socket to connect to the server via th
Toss for a few days, and finally find a very resource-saving installation wordpress program.Successfully build website http://www.gudianxiaoshuo.com and http://www.gudianbook.comAt the same time, we recommend the WordPress Build station tool calligraphy and painting novel software version 4.0 my website is built with this software 222 books 15,000 articles for 8.5 hours or so.OK, back to the point, started a Linux VPS in a look at the black dos immedi
Tags: technology so linux image pressure condition save Server ACThe previous article mainly on how to use JMeter under the Windows system for stress testing, but found some problems, when the QPS reached a certain peak, due to the Windows machine itself bottlenecks caused by the network card can be compressed, in addition to the formal environment, Development wants to test for IP, press only one machine,
We often use the Find command for bulk operations, such as: bulk deletion of old files, batch modification, time based file statistics, file size based on document statistics, etc., in these operations, because RM Delete operations can lead to directory structure changes, if you want to use find combined with RM operations written script, Will encounter some trouble, this article through an example for you to introduce.
System environment:
SUSE Linux
off (logout) or the network disconnects, the terminal receives a HUP (hangup) signal to close all its child processes. So there are two ways to do this: either let the process ignore the HUP signal or let the process run in a new session to become a child process that does not belong to this terminal.Resolve command: use Nohup or SetsidFirst, NohupThe use of nohup is very convenient, just add nohup before the command to be processed, standard output and standard error-deficient capital are redi
Linux super server inetd and linux Server inetd
The inetd service is a daemon process started by the rc program during linux boot initialization. It starts various services through listening ports. The process is tcp/udp services ----> (send a letter to port 5000) ----> inte
Cause of Error:Kafka the JVM memory configuration that is used by default:Export kafka_heap_opts= "-xmx1g-xms1g"If the server memory is small, you need to adjust the boot configuration.Workaround :Open/opt/kafka_2.11-2.0.0/binkafka-server-start.sh to reduce the boot memory size. such as: Export kafka_heap_opts= "-xmx512m-xms512m"
In Linux, C speech implements socket-based small programs for sending and receiving, and linuxsocket
1. What is socket?
Socket is actually the port for computer communication. It can be used to implement an interface for communication between two computers. Applications can be transmitted over the network through this excuse.
There are three types of sockets:
A byte Stream Socket is the most common socket t
Environment descriptionNote that the machines used in this set of environments are all 64-bit.Server 1: Install the Win7 operating system, install 4 virtual machines from VMware Workstation, use as Vcenter,connection Server,domain control three Management Servers, and a template server.Server 2: Install the ESXi operating system to hold the virtual machine.Terminal Number: Install the WIN7 operating system to install the view client software and conne
1. Basic Knowledge Block: ShellSelf-command by Shell program: Built-in command (BUILTIN)Standalone executable program file, file name: external command[[email protected]~] #ls ~ User's current directory #: Command prompt (Administrator account root) $: normal user | Shell Environment |Unique program it refers to the operating system, providing access to the kernel services provided by the program! Intermediate media used by the system to interact with computer hardware, which resolves user-su
When doing a test, you need to simulate the server CPU occupied situation, after consulting the relevant information, found that the online program is not very useful,The original is here: http://www.2cto.com/os/201304/202068.htmlThe following optimizations are followed:#! /bin/SH# filename KILLCPU.SHif[$#-ne1] ; Then Echo "USAGE: $ "Exit1;fiStop () { whileRead Line Do Kill-9$LINEEcho "Kill $LINE Sucessfull" DonePid.txtCat/dev/NULL>Pid.txt}start
scattered across multiple directories. By contrast, the following WEB server is packaged in an executable file. One of my employers, Phaseit, specializes in deployment and packaging, and we can make Apache installations look simpler than usual. But even if we do the best, Apache or IIS and lightweight WEB servers still have a big difference in space footprint: The former takes up a lot of space.
different computer systems, such as Apache, CERN httpd, Microsoft Internet information System, NCSA httpd, Plexus httpd, website and so on. Commonly used in Unix/linux systems are: CERN, NCSA, Apache three species
CERN httpd
This is the earliest WWW server software, written in C language, now has limited functionality, the user
Reduction in. If you are interested, you can find it in:.
NCSA httpd
This is
The default Linux server file descriptor, and so on, opens up to 1024, with ulimit-a view:[Viewuser@~]$ ulimit-aCore file size (blocks,-c) 0 #coredump files SizeData seg Size (Kbytes,-D) UnlimitedScheduling Priority (-e) 0File size (blocks,-f) UnlimitedPending Signals (I.) 255622Max locked Memory (Kbytes, L) 64Max memory Size (Kbytes, M) UnlimitedOpen files (-N) 1024 #打开文件数量, Root account UnlimitedPipe Size
Configure the ftp server and the linuxftp server in Linux
1. Run the rpm-qa | grep vsftpd command to check whether the ftp has been installed. If ftp is not installed, run yum-y install vsftpd to install it. (use apt-get install vsftpd in ubuntu)
2.Service vsftpd start/service vsftpd restart
To enable FTP to automatically start upon startup, run the command chkco
Http://www.ha97.com/4634.htmlPS: I used to basically do not use Linux remote graphics desktop, a few days ago the development of colleagues to configure CentOS VNC has problems, to find me to solve, on the way to summarize the summary, this summary is relatively complete. The following configurations are tested in centos5.x and 6.x, SuSE Enterprise, and other distributions are generally common:First, install the corresponding desktop environment with
Recently found that a lot of friends in the search for free VPN account, through the free VPN proxy IP, using VPN technology to turn the wall to find what they want, pond, as a retreat and networking, today's Fast Cloud VPS Small series, to share, Use the relevant free VPN agent software and fast Cloud VPS How to configure their own free VPN proxy server, with their own free VPN proxy
I believe many friends have encountered the problem of website Exchange Server, or success or failure! Today 3A Network small money to tell you is a personal experience, the original Penny has a website is running on the Linux server, the Web service used for nginx+mysql+php, but due to the
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