open source load balancer linux

, which is the VIP address above, is shared by the director server and all real servers,If there is an ARP request VIP address, the Director server responds with all real servers, and the problem occurs.Therefore, the real server needs to be prevented from responding to ARP requests.Third, configure the Tomcat service on the real server, slightly. To build an HTML file in 192.18.8.5, the contents are:This is the test pageFrom server 192.168.8.5To build an HTML file in 192.18.8.6, the contents ar

/wwwroot/lvlinux.com; ssl on; ssl_certificate lvlinux.crt; ssl_certificate_key lvlinux.key; ssl_protocols TLSv1 TLSv1.1 TLSv1.2;}-T -S reload//If error unknown directive "SSL", need to recompile nginx, plus--with-http_ssl_moduleMkdir/data/wwwroot/lvlinux.comecho "SSL Test" >/data/wwwroot/lvlinux.com/index.htmlEdit hosts, add 127.0.0.1 lvlinux.comCurl https://lvlinux.com/Discover that the certification authority is marked as not trusted by the user, of course, the certificate we issue

:229406(224.0KiB) TX Bytes:229406(224.0KiB) [Email protected] keepalived]# Ipvsadm-lnip Virtual Server version1.2.1(size=4096) Prot localaddress:port Scheduler Flags-remoteaddress:port Forward Weight activeconn inactconntcp192.168.103.100: theWRR Persistent --192.168.103.101: theRoute1 0 0-192.168.103.105: theRoute1 0 0If the NODE3 does not turn off the firewall, the ETH0:1 network card is also enabled, so be careful to shut down the firewall.Linux under KEEPALIVED+LV

Nginx Load Balancer 404 error handling methodUse Nginx to achieve load balancing, but the data of a group of servers is not implemented synchronization, the master server has data to be synchronized to other servers for a period of time upstream image.stream.com {server 192.168.1.25:8088;server 192.168.1.24:8088;server 192.168.1.23:8088;} When a user accesses a p

Failure phenomena:When the client accesses the VIP, there is no access, and the view log information is displayed as follows:Kernel:IPVS:RR:no Destination AvailableKernel:IPVS:RR:no Destination AvailableKernel:IPVS:RR:no Destination Available。。。。。。There are about two reasons for online inquiry1, Ipvs RR module is not installed, after the Lsmod |grep RR display has been installed, excluded.2, keepalived all the server port service did not start, after Ps-aux and lsof have been started, this reaso

:./lvsrs.sh Stop off* Modify permissions before executing: chmod 755 lvsrs.sh4.4.2 VerificationRESL Server Configuration [[Email protected] ~]# IP add1:lo: Link/loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00inet 127.0.0.1/8 Scope host Loinet 192.168.98.77/32 BRD 192.168.98.77 Scope Global lo:0INET6:: 1/128 Scope HostValid_lft Forever Preferred_lft Forever2:eth0: Link/ether 00:50:56:91:14:81 BRD FF:FF:FF:FF:FF:FFinet 192.168.98.118/24 BRD 192.168.98.255 Scope Global eth0Inet6 FE

Image Lazy Load: Open-Source plug-ins (jQuery) that Load images at a time ), The image delayed loading technology is very practical for large-traffic websites. Currently, images are widely used on websites. If they are not processed, they will put a great deal of pressure on servers and bandwidth. By rendering only ima

JavaScript image delay loading library. Do not rely on jquery, only 2K after compression.Support ie8+UseLayzr.jsJust a few days ago, an image Lazy loading component, small, fast, and non-dependent (not dependent on jquery), also supports retina devices.UpdateSo how do you get the server side to convert an img in a heap of HTML into DATA-SRC? In fact, it is very simple, a few lines of the regular can be, such as in node. JS can be this way to convert the IMG src to DATA-SRC (can directly press F

[ArticleAuthor: Zhang banquet this article version: V1.0 last modified: 2008.09.21 reprinted please indicate the original article link: http://blog.s135.com/post/#/] On the afternoon of June 23, September 20, I was invited to join the chinaunix project to "How to Deal with Server Load balancer ?" The theme of the Technical Salon (http://linux.chinaunix.net/bbs/thread-1019366-1-1.HTML), it is a pleasure to

Article Title: Microsoft: Open source is the source of innovation, but Linux cannot represent open source. Linux is a technology channel of the IT lab in China. Includes basic categorie

Analysis of open source load balanced LVS random self-starting anomaly diagnosis case In response to the country's call to advocate the IT information system hardware and software facilities of security, autonomy and controllability, our company is also committed to promoting it software and hardware localization and open