view server

Ls & amp; ndash; la lists all command cd to enter the current directory cd .. parent directory cd. the current directory cat displays the file content echo + content & gt; file name (write content) mkdir creates a new directory mkdir & amp; ndash; p

Check the CPU, memory, operating system version, and other information of the Linux server, and summarize common commands for future reference. 1. view the CPU model (8 logical CPUs) [[root @ mail ~] # Cat/proc/cpuinfo | grep & quot; name & quot; |

MongoDB is a database based on distributed file storage. Written by the C + + language. A high-performance data storage solution that is designed to provide a protective display for Web applications. It is characterized by high performance, easy to

We can use/proc/cpuinfo to view CPU information. This file contains the data section of each processor on the system. There are six entries in the/proc/cpuinfo description for multi-core and hyper-thread (HT) technical checks: processor, vendorid,

Article title: Apache log: error log. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. The error log and access

MySQL server variable data operations DML-View Components of the SQL language Common categories: DDL: Data Definition Language DCL: data control language, for example, DML authorization: data operation language Other categories: Integrity

The following uses Centos as an example to share various information viewing methods with users. This tutorial uses Centos, Debian, and other Linux releases to view the server CPU model. Grep "model name"/proc/cpuinfo | cut-f2-d:View server memory

Install vsftpd in ftp service, Nfs service, and Nis service ftp service: yuminstallvsftpd *-y view vsftdd installation: getsebool & amp; ndash; tl | grepftp anonymous user vietcvsftpdvsftpdconf No. anon_mkdir_wri ftp service, Nfs service, and Nis

1. view processes view all httpd processes ps & ndash; ef | httpd view all httpd processes in a tree (-p stands for displaying branches) pstree & ndash; p | grephttpd2. & nb 1. View processes View all httpd processes Ps-ef | httpd View all httpd

This article describes how to use dmidecode to obtain the hardware information of Linux servers. it is especially suitable for checking the hardware configurations provided by the host service provider, need a Friend can refer to the first,

Source: blog. csdn. netdba_huangzjarticledetails38895357, topic Directory: blog. csdn. netdba_huangzjarticledetails37906349 no one shall publish in the original form or use it for commercial purposes without the consent of the author. I am not

I installed some articles on the Internet to configure the MySQL master-slave synchronization mechanism, but encountered an exception when I restarted from MySQL. I do not know the master_hostusrsbinmysqld: unknownvariablemaster_host10.0.2.160. I

The content of this section is more miscellaneous, the main thing is to integrate the previous knowledge, and then install a discuz for the back of the experiment to do a preparation. (Perhaps these are a bit boring, no way, the environment did not

Today encountered a java.lang.OutOfMemoryError:PermGen space anomaly problem, has been unable to solve, according to the online modification of the Tomcat configuration file, but still can not solve, the last is resolved by the following way, The

Full path acquisition by JavaEE and full path acquisition by javaee This blog is a comprehensive summary of how the Java Web Application Server obtains file paths in different environments. The main application scenario after obtaining the file path

1.300 ErrorUnder Baidu, request redirect2.403: Limited request, insufficient permissions404: The request is invalid and the resource accessed does not exist3.500: Server hangs up, view server;502:a. Gateway/proxy Error, view Ngnix error log;B. There

Programmers often need to connect to the database to talk about the oracle database client and server Character Set consistency problem, which can solve Chinese garbled characters, other character garbled problems mainly refer to in sqlplus, I do

Ec (2); currently, few WebService solutions with WS-Security Support are called in PHP. WSFPHP is a good choice. The official homepage is wso2.orgprojectswsfphp, the following describes some notes when using WSFPHP. 1. WSFPHP

CentOS LAMP environment (based on fastcgi) Required installation package: Installation 1. Install httpd # Yum install pcre-devel # Tar xf apr-1.5.1.tar.gz #./Configure -- prefix =/usr/local/apr # Make # Make install # Tar xf apr-util-1.5.4.tar.gz

In windows, sqlplus is completely normal, but in linux, there is a problem with sqlplus Chinese display, always displaying "?", How can this problem be solved? The solution is as follows: In fact, it is easy to set exit sqlplus and set the