EnvironmentOperating system: CentOS 6.5DNS software: Bind (Installation reference: "Linux" DNS service-bind basic configuration (ii))Bind slave ServerFrom the server is to add the configuration information from the domain example.net in the main configuration file of Bind 3 1. configuration file Location /var/named/chroot/etc/named.conf2. Add a zone definition for a row of fields in the master configurat
to put the system log in memory, when the system shuts down and then copy it to the hard disk, when you run a syslog-enabled laptop or mobile device, Ramlog can help you improve the system battery or mobile device flash drive life, One of the benefits of using Ramlog is that there is no need to worry about a daemon sending a message to the syslog every 30 seconds, before the hard drive must be kept running
First, what is the SCP?
The SCP is a secure copy shorthand for remote copy of files under Linux, and a similar command has CP, but the CP is only copied on the local computer, not across servers, and the SCP transmission is encrypted. may have a slight impact on speed.
Second, what is the use of SCP?
1, we need to get a file on the remote server, the remote server
Reference:The Qmail howto v2By Adam MckennaHttp://www.flounder.net/qmail/qmail-howto.html
Life with QmailBy Dave sillHttp://www.lifewithqmail.org/lwq.html
XX Operating System: RedHat Linux 7.2 (enigma)Required software:Qmail-1.03.tar.gzQmail-103.patchUcspi-tcp-0.88.tarDaemontools-0.76.tar.gzMySQL-3.22.32-1.i386.rpmMySQL-client-3.22.32-1.i386.rpmMySQL-share-3.22.32-1.i386.rpmMySQL-devel-3.22.32-1.i386.rpmVpopmail-4.9.8.tar.gzVqsignup-0.5.tar.gzSqwebmai
Linux mail Server (Postfix+dovecot) (iii) Post mail with Maildrop16. Configure Postfix to deliver mail using MaildropMaildrop is a filtering-capable mail delivery agent written in C + + that replaces local MDA and is one of the courier messaging system components. It accepts the information from the standard input and posts it to the user's mailbox; Maildrop can either post the message to the mailboxes form
*/etc/inetd.conf File
As we all know, as a server, the more open the service port, the more difficult to guarantee the security stability of the system. So servers that provide specific services should be as open as possible to the ports that provide the service, and the services unrelated to the server will be shut down, for example, a machine that is a WWW and FTP ser
Today, someone told me that the memory on the Linux server is not fast enough, 128G of memory, will be used up immediately. I was startled, the application on this server is now very small, ah, how the utilization will be very high. First use Zabbix to see the next, memory remaining space is still very big, there is 117G of spare ah. Then log on to the
Server heat dissipation and Linux temperature detection, linux TemperatureWhen the server is placed in poor cooling conditions, this will lead to premature damage to the hard drive, and other components of the server will soon fail. When a modern
The Shell script is mainly used to initialize the new Linux server system, including:
Disable IPv6 ModuleDisable SELinuxShow vim colorsSet system language EncodingOptimize system servicesKernel Parameter optimization.It can be modified according to your actual situation and used in the production environment. The original author is NetSeek and I have made some modifications.
Copy codeThe Code is as follows
Linux Server death case analysis, linux Case Analysis
Symptom:
When running a specified script on a linux server, there will be countless identical processes, which will not be killed, and the system will be in an endless loop, login fails. You can only manually press the po
Configure Telnet to connect to a Linux serverTelnet allows access to a Linux server from the Windows platform, with the same effect as an SSH client, except that it is more secure with SSH connections.
Check if the Telnet service is installed on the Linux system Rpm-qa|grep telnet, return empty, indicate no in
with your Apache port.
PORT[80] After the carriage return appears like port[29902], this is your administrator login server's port number, must remember that the following to use.
Next, give a list of the parameters you set above:
Previous Prompts:[f]: Enter F to confirm the above parameter setting, start the installation immediately, enter P reset.
Installation complete.
3, start the server
Enter the bin folder of the installation directory
#cd Bin
In Linux, it also provides a popular BIND server, which is the most commonly used server software for building DNS servers. There are many articles about BIND installation. Now let's talk about the maintenance topic.
How can we understand the running status of the DNS server? Is it busy and load-intensive? All this is
Mcelog is a tool used on x86 Linux systems to check for hardware errors, especially memory and CPU errors.For example, the server is inexplicably restarted over time, and message and syslog do not detect valuable information.The cause of the MCE error usually occurs as follows:1, memory error or ECC problem2. Processor Overheating3. System bus Error4, CPU or hard
What kind of Linux server is most suitable for your enterprise? In short, it needs to provide ideal support for employees. Compared with hundreds of Linux desktop systems, the number of Linux server systems is actually limited, but it is still difficult for us to choose the
Use xmanager to connect to Linux Remote Desktop-Linux server settings and xmanager settingsTag:
I studied how to use xmanager to connect to the Linux Remote Desktop one afternoon. Now we have finally done it.
Linux server sett
As Linux continues to evolve, the types of file systems supported by Linux are rapidly expanding. Linux is running on many data center servers, which can save a lot of license fees and maintenance costs. However, with the release of a new version of Linux, each of the different versions of
How to hide the PHP version number on a Linux system server, the Linux version number
Typically, one of the Web servers that are installed with the default settings is information disclosure, which is PHP. PHP is now a popular service-side HTML embedded language (one?). )。 In today's challenging era, there are a number of attackers who try to discover vulnerabil
"October 12, 2013 51CTO headline" What kind of Linux server is most suitable for your business? In short, it needs to give employees the ideal support they need to work.Compared to hundreds of Linux desktop systems, the number of Linux server systems is actually relatively l
Recently found that big data technology deployment, high availability, cluster and web site load Balancing, automation operations, disaster preparedness and so on actually have a lot of knowledge are coincident, to learn Linux operation and maintenance related, in the big data research will also be improved. Since the work needs to go to the system to learn the Linux operation and maintenance technology, th
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