RHEL7.0 Log System
This article is a note I took when studying RHCE7.0. I hope it will be helpful to you.
System log Architecture
System Logs
The process and the operating system kernel must be able to log the time before occurrence. These logs can
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
There are two email servers: 192.168.1.1 (B .test.cn in windows) and a.test.com in 192.168.1.3linux ).
Configure the DNS server in linux. The following are some files set during the configuration process,
The specific content of the/etc/hosts file
Here we use the Linux Bind server software for the DNS service for this test.
BKJIA Editor note: BIND is a client/server system called a conversion program. It queries the information that generates domain names and then sends the information to the
InetdProcess introduction:
The inetd program isLinuxDaemon. You may already know that daemon are special programs that voluntarily give up control of calling their own terminals after being started. The interfaces of the daemon and the rest of the
Implementation of MultiPath software in Linux
How Multipath works
When the multipath is started, it uses the system command scsi_id-eg-s/block/sdX to obtain the UUID (universally unique identify) of all block devices in proc/partitions ), then, all
I. Check swap partitions
Grep SwapTotal/proc/meminfo
Please make sure it is 4 GB or above. If not, use the following method to add swap partitions:
It is best to disable swap partition: swapoff-
The partition size, in KB.
Run the command:
4. "powerful weapons" in Linux: Question 15
55. What is KDE and what are its characteristics?The KDE Project was launched in October 1996 to create a complete and easy-to-use desktop environment on X-window. KDE now has kfm (similar to ie4.0),
Before proceeding, we must tell you that Apache has adopted a series of default values during installation and has enabled the WWW server to run. You only need to connect the host installed with Linux + Apache to the Internet, and then store the
1: What is BSD? 22: What are the advantages of FreeBSD? 33: I am now learning how to use FreeBSD. Where should I start? 44: Where can I get the FreeBSD CD? 55: How should I install FreeBSD? 66: Are there any FreeBSD tutorials? 77: how to compile the
Configure Linux as a proxy firewall
Linux itself can act as a proxy firewall by adding a socket package, and it is free of charge.What is proxy firewall?The proxy firewall does not allow any direct network flow to pass through, but serves
Forwarded from: http://www.laruence.com/2010/01/27/1265.html#compilation and Connection
Generally, if the header file of the library is not in the/usr/include directory, you must use the-I parameter to specify the path during compilation. Because
Squid-usage in Linux
From: http://www.topcmm.com/(17:04:00)
As the most popular operating system, Linux has become increasingly popular. Although Linux software is not rich yet,It is too early to replace windows as an ordinary PC operating
Warning Information solution after Redis is started
Solutions for Redis-related problems.
1st cases: after we started the Redis server, we will see three warnings. If we didn't see them, it would be good, but I did. If you see it, you cannot ignore
When dealing with various faults in Linux, the symptoms of the fault are first discovered, and the cause of the fault is the key to final troubleshooting. Familiar with the log management of Linux system, understanding the analysis and solution of
Intel does not provide good support for FB graphics cards. Compared with Nvidia, there are many graphics card drivers that can be directly installed. The basic configuration of Lenovo V480C model 20159 is as follows:
CPU: i3-311M, 2.4 GHz, 2-Core 4
After Baidu, the httpd. conf file in \ phpStudy \ Apache2 \ conf \ is prompted to be modified. The Code is as follows:
Copy codeThe Code is as follows:
ServerAdmin webmaster@163.com
DocumentRoot "D: \ www"
ServerName ymywz.com
Options Indexes
Ubuntu network settingsContent:A). Three Methods for setting IP addresses in Ubuntu 14.04; B). Use NetworkManager to manage wireless networks; C). Solve the resolv. conf rewrite problem.A ). there are three ways to set IP addresses in Ubuntu 14.04: 1
1. modify the number of files that can be opened by a user process on the Linux platform. whether writing a client program or a server program, during high-concurrency TCP connection processing, the maximum number of concurrent connections is
After we have configured a web service for a Linux server, we need to upload a website program to verify that the server is running normally. This requires ftp support. This article will explain how to use it, detailed steps for installing the ftp
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