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compile and run of Librdkafka client under Linux Librdkafka is an open-source The Kafka client /C + + implementation provides a Kafka producer and consumer interface.Because of the project needs, I want to encapsulate the Kafka producer interface for others to call, so first install the LIBRDKAKFA, and then modify the demo to encapsulate a producer interface
Subversion (SVN) is an open source version control system that manages data that changes over time. This data is placed in a central repository, which is much like an ordinary file server that remembers every change in the file so that it can be restored to the old version, or the history of the changes to the file.This article directory:Linux SVN server DeploymentLinux SVN client command operationLinux SVN Backup and recoveryOne,
Installing the enhanced Feature Pack in a Linux client always prompts for missing kernel header filesDepending on the release, the command line Package Management command installs DKMS build-essential linux-headers-$ (uname-r), and my client is openSUSE, so the command is as follows:Zypper Install dkms build-essential
) and any host communication//inaddr_any means that data that can receive any IP address is bound to all IPServer_addr.sin_port=htons (PortNumber); (Convert short data on this machine to short data on the network) port number/* Bundle SOCKFD Descriptor to IP address */if (bind (SOCKFD, struct sockaddr *) (SERVER_ADDR), sizeof (struct sockaddr)) ==-1){fprintf (stderr, "Bind error:%s\n\a", Strerror (errno));Exit (1);} /* Set the maximum number of clients allowed to connect */ if (Listen (sockfd,
servers waiting for messages, while the main process will continue to wait for new connections. The SERVER4 process is waiting for new customers, While 3 client processes are being serviced by 3 server sub-processes. After a 5-second pause, all customers get their results and end up running. The server's child processes are also exited, leaving only the primary server process running.Server programsprocessing multiple customers with the fork function
Linux remote log rsyslog server and client Installation The reason for using Rsyslog:1. Prevent system crashes unable to get system log share crash reason, with Rsyslog can transfer log to remote log server2. Using the Rsyslog log can reduce system pressure because using Rsyslog can effectively reduce the system's disk IO3.rsyslog using TCP transmission is very reliable, can filter the log, extract the effe
the Epoll_create () was created, the parameter timeout is the timeout (in milliseconds, 0 returns immediately , 1 will be uncertain, and there are statements that are permanently blocked). The function returns the number of events that need to be processed, such as returning 0 to indicate a timeout.Application Examples:Below, I refer to a simple program written by someone else in Google code to illustrate it. SVN path: http://sechat.googlecode.com/svn/trunk/The program a simple chat room progra
Use a Linux virtual machine to install CentOS6.4 and vspherecentos6.4 In the VMware vSphere Client. Preface: companies need to prepare virtualization to virtualize physical machines with high configurationsNVirtual machines to provide services for more application services. 1. Connect to the physical machine using the vShere client, select "configuration"> "Stor
Configuration of LDAP authentication server in Linux and client pam network verification instance 1] LDAP introduction LDAP (LightweightDirectoryAccessProtocol) represents Lightweight Directory Access Protocol LDAP is a kind of non-relational database LDAP... configuration of Linux LDAP authentication server and client
I use Linux is startos5.1, blog is i in http://vb2005xu.iteye.com/blog/2119240 My local GCC version iswrote [email protected]:~/softken$ gcc-vUse built-in specs.collect_gcc=gccCollect_lto_wrapper=/usr/lib/gcc/i686-pc-linux-gnu/4.6.3/lto-wrapperTarget: I686-pc-linux-gnuConfigured as:.. /configure--prefix=/usr--sysconfdir=/etc--libdir=/usr/lib--localstatedir=/var--
Preface: to prepare for virtualization, the company will virtualize the physical machines that are relatively high N virtual machines so that more application services can be served. 1, use Vshere client to connect to the physical machine above, select "Configuration"--"Memory"-"data Storage", right click Select "Browse Datastore", you can upload the file, as shown in:?2. Upload the Centos.iso files that need to be installed.3. Right-click to start c
When debugging a distributed system, logs are a good tool, such as logging with Log4j Records. However, if the time of each machine is inconsistent, it is not convenient to judge the order of each event. So time synchronization is useful, and the NTP protocol is widely known. This article explores how to use Win7 as NTP server,linux to do NTP client to make Win7 and Lin
,buf,strlen (BUF), 0) = =-1){printf ("Return%d\n", ret);Perror ("message sent Failed");Exit (errno);}}}void* th_recv (void* Arg){Char Buf[buflen];int CONFD;CONFD = Get_conn (Recv_port);while (1){memset (Buf,0,buflen);Switch (recv (confd,buf,buflen,0)){Case-1:///error occurredPerror ("Failed to accept message");Exit (errno);Case 0:///peer have performed an orderly shutdown.printf ("Server exited, chat terminated");ReturnDefault://Receive succssedprintf ("server:%s", buf);}}}int main (){pthread_t
,"Socket error:%s \a\n", Strerror (errno)); Exit (1); }//before calling the function connect, you need to specify the socket address of the server process//filling the SOCKADDR structureBzero (AMP;SERVER_ADDR,sizeof(structsockaddr_in)); Server_addr.sin_family=af_inet; Server_addr.sin_port=htons (portnumber);//server_addr.sin_addr= * (struct in_addr *) host->h_addr);//initiating a connection request establish a connection with the remote server if(Connect (SOCKFD,structSOCKADDR *) (AMP;SERVER_ADD
, "usage:%s hostname portnumber\a\n", argv[0]);Exit (1);}/* Client starts to build SOCKFD descriptor */if ((Sockfd=socket (af_inet,sock_stream,0)) ==-1){fprintf (stderr, "Socket error:%s\a\n", Strerror (errno));Exit (1);}/* Client program fills the data on the server */Bzero (server_addr,sizeof (SERVER_ADDR));Server_addr.sin_family=af_inet;Server_addr.sin_port=htons (PortNumber);server_addr.sin_addr=* (stru
Premise In general, we need to Telnet to Linux in Windows development, commonly used Telnet tools are SSH (ssh Secure Shell client) and SECURECRT, where SSH Secure Shell client is free and recommended. Using SSH (ssh Secure Shell Client) to Telnet to Linux requires installi
Recently did a Linux C network project, simply write the server between the client upload, download files, the use of concurrent server, you can implement multiple clients simultaneously upload, download.Write not good, also please big God more advice! Many do not say, everything is in the code, some of the code is as follows:/*SERVER.C */server-side void *recvmation (void *arg)//receive the message sent ov
In VirtualBox, sharing is relatively convenient if both the client and host are Windows. This is typically accessed through a path such as \\vboxsvr\shared.But if the client is Linux, it's a bit of a hassle (and it's good to know after you know it)First step: Install VirtualBox additioanl ToolsStep two: Set up a shared directoryStep three: Create a special device
Ubuntu 14.04 + Mutt + Msmtp configure the command line mail client in Linux Install msmtp mutt in Ubuntu 14.04 Apt-get install-y msmtp mutt Configure msmtpAfter the installation is complete, configure msmtp first. The default configuration file varies with the operating system version and can be viewed through msmtp -- version. # Msmtp -- versionMsmtp version 1.4.31Platform: x86_64-pc-
How to share disks between Linux client systems in VirtualBox In this tutorial, let me show you how to share a disk between two Linux client systems in VirtualBox. This tutorial is helpful for those who want to configure and play with GFS or clusters. Is the standard interface of VirtualBox: Use Virtualbox in Ubu
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