kernel for exchange server

Under Linux, we can test the ability to send mail through the Telnet mail server's port 25 (which is the typical SMTP mail server). The premise is that DNS should be set up first, or/etc/hosts file to make good mail server domain name corresponding IP address.The following red ones are to be entered.[Email protected] ~]# telnet mail.xxx.com 25Trying 10.10.1.127...Connected to Mail.dji.com (10.10.1.127). Esc

This problem must be large-scale occurrence, it is certainly the server side out of the problem, if it is a single user problem, give someone to repair the computer.This is the service. Microsoft Exchange RPC Client Access does not start because it is started manually.Some people, no brains, restart the server and do not check, there will be such a problem. Rathe

A recent problem with friends is that when you open Exchange Server 2010, you are prompted to "initialize failed", as shown in the following figure. Back to the column page: http://www.bianceng.cnhttp://www.bianceng.cn/Servers/Mail/ In fact, the reason for this problem is that the IIS service is not started because of the cause, restart the server services, a

Brief introductionThere are many ways to improve server performance, such as dividing picture servers, master-slave database servers, and Web server servers. However, with limited hardware resources, the maximum performance of the squeezing server and the ability to handle the concurrency of the server are the problems

What is a cluster? A cluster is a group of independent computer systems that constitute a loosely coupled multi-processor system. They communicate with each other through a network. Applications can transmit messages through the network shared memory to implement distributed computers. Clusters work in a way similar to collaboration between people. Vs-nat cluster is the simplest cluster. Its structure is similar to the linux transparent proxy server.

of time_wait sockets, but for squid, the effect is not small. This parameter controls the maximum number of time_wait sockets, preventing squid servers from being dragged to death by a large number of time_wait sockets.echo "====================== executes the following command to make the configuration effective: =========================" #http://www.zuihuasuan8.net/after changing the Linux kernel parameters, Immediate effect of the order!/sbin/sys

Optimize kernel parameters of Linux to improve server concurrent processing powerPS: In the case of limited server hardware resources, the maximum performance of the squeeze server, improve the server's concurrency processing power,is a problem that many OPS technicians think about. To improve the load capacity of Linu

PS: when the server hardware resources are rated Limited, the performance of the largest squeezing server and the concurrent processing capability of the server are improved. This is a problem that many O M technicians think about. To improve the load capacity in Linux, you can use nginx and other Web servers with strong native concurrent processing capabilities

Anatomy of the SQL Server kernel Architecture (reproduced)This article in my computer for a long time, today careless to turn out, think write very good, so posted out to share.Have to admit that a good software is a step-by-step accumulation of down-to-earth, many excellent programmers, they are not simply writing code, but in the creation of an art.They have one thing in common compared to the development

Tags: local messages accept Fast master and slave in the case of server live MaxThere are many ways to improve server performance, such as dividing picture servers, master-slave database servers, and Web server servers. However, with limited hardware resources, the maximum performance of the squeezing server and the ab

Tags: share share picture start System Boot program set menu View SystemCentOS 7.0 System changes kernel boot order Since CentOS 7 uses GRUB2 as the boot program, it differs from CentOS 6 and does not modify the/etc/grub.conf to modify the startup item, which requires the following actions:1. Look at the number of cores inside the system: cat /boot/grub2/grub.cfg |grep menuentry 2.. Configure boot from the default

middleware.SQL statements are reliably sent to the server side, and the first module in the SQL Server engine receives the SQL data. The name of this module is: Open Data Services. It listens for new connections, clears failed connections, and returns result sets, messages, and states to the client.Data is transmitted between the SQL Server client and servers, a

Linux is much more mature than it was a few years ago, but sometimes there will still be an inexplicable and undefinable kernel panic situation. For most Linux users, restart the kernel panic, however, for system administrators and hosting service providers who are engaged in virtual hosts, shared hosts, and OpenVZ VPS hosts, unknown kernel panic may not be very

Reading notes:Linux kernel design and implementation , the original book 3rd edition, Chen Li June Peggy translation2nd Chapter: Starting from the kernelSection 2.3: Compiling kernel experiments:============================================================ System Environment : VM Virtual Machine Ubuntu 14.04.3 LTS Server Edition Task : Compile and install the new

High performance Linux Server kernel tuningFirst, let's introduce two commands1, DMESG printing System information.There are many students server problems, read the program log, found no useful information, or no solution, at this time, you need to see the system kernel thrown exception information, using the DMESG com

Linux Kernel RPC Server socket Remote Denial of Service Vulnerability Release date:Updated on: Affected Systems:Linux kernel 2.6.xDescription:--------------------------------------------------------------------------------Bugtraq id: 46790Cve id: CVE-2011-0714 Linux Kernel is the

= 8388608Net.core.rmem_max = 16777216Net.core.wmem_max = 16777216Net.ipv4.tcp_tw_reuseWhether the socket is reuse, the function is to quickly reuse the listening port when server restarts. Failure to set this parameter causes the port to fail to be released in time for server reboot and fails to startNet.ipv4.tcp_tw_recycleQuick recycle with socket, short connection se