Linux

1. Shutdown Symptom: The System halted screen does not automatically turn off the power. Solution: Add apm = on apm = power_off acpi = off at the end of the row where the kernel is located in vi/etc/grub. conf. Cause analysis: the kernel does not

1. Samba IntroductionIn my opinion, Samba is only used to share files between Ubuntu virtual machines and Windows. Of course, this is only a small part of the services provided by Samba, and of course there are other methods to share, but this

Abstract: This article describes preparations before Hadoop operations. Keywords: Hadoop Linux JDK WinSCP As the saying goes, "Do not cut firewood by mistake ". Preparations before Hadoop operations can speed up Hadoop operations and

For more information about how to configure shared folders through NFS, see link 1 and link 2. Perform the following steps to configure the Server: 1. Install NFS server software Sudo apt-get install nfs-kernel-server 2. Create a shared

Recently we found that even if the security group is configured, the vm cannot be accessed, but the vm can access the Internet, which is strange.Later I found that it was a configuration problem. Modify/etc/neutron/plugin. ini of the controller, or

This week, the problem of uploading a large file has been fixed for a long time due to incorrect understanding of a parameter. Therefore, write down the summary and make a memo. More people can pay attention to it and do not have to make any detours!

Samba is set through the character interface (the character interface adds the windows login user name of samba) Learning about Embedded Linux development, samba, which was originally set up on the Internet, found that the file directory created in

Samba is a powerful sharing tool that can be shared with windows. It is a network-based neighbor feature that we often use between windows computers to share files and printers. Today we will introduce how to install and configure in Ubuntu 12.04.

1. Install the client tftp, server tftpd, and openbsd-inetd: Sudo apt-get install tftp tftpd openbsd-inetd 2. Configuration: Sudo vim/etc/inetd. conf Add the following line to the inetd. conf file: Tftp dgram udp wait

When configuring the test environment, package the Tomcat directory of the production server, decompress the package, start Tomcat, and find the following problems: [Tomcat @ gsp bin] $./shutdown. shUsing CATALINA_BASE:/usr/local/tomcatUsing

I. implementation functions: Domain user authentication SSL encryption Virtual domain user isolation Authentication Implement the public directory Function Implement Multi-user directory Functions II. Implementation steps:1. Basic System

All systems cannot do without permission management. A good permission management module not only makes our system operate freely, but also makes management easy, and adds highlights to the system.   L personnel with different responsibilities

Requirement: Based on the business environment, you need to deploy more than N redis instances on one machine. previously deployed, you can only deploy a single redis instance, and manually modify the directory name to distinguish different redis

People who have used django should know admin. However, the demand is changeable. For example, if you have a abnormal user system, you may have three portraits, except fisrt name, there are also middle name, T ^ T name barabara in addition to the

The following error is reported in make when installing PHP 5.3.28 on the server guard agent today: Php-5.3.28/Zend/zend_rjage_parser.h: 317: error: conflicting types for zendparsePhp-5.3.28/Zend/zend_globals_macros.h: 35: note: previous declaration

Advantages and disadvantages of prefork, worker, and event in httpd working mode: Http service requires a connection between the client and the server. httpd has three working modes: prefork worker event Advantage: stable services when resources are

Environment Description: System CentOS 5.9 kernel: 2.6.18-371.6.1.el5 Because the nginx Proxy Server currently used by the server has a single point of failure, so considering the availability, we are ready to deploy an nginx with another idle

Running topology on the Production cluster is similar to the local mode. The steps are as follows: 1) define topology (if java is used, use TopologyBuilder) 2) use StormSubmitter to submit topology to the cluster. StormSubmitter parameters include

Solr4.6 does not need to be case sensitive when searching some fields. In this case, you need to perform simple filtering. During indexing and searching, you can convert the input to lowercase. The configuration is as follows: The wiki definition

There are a lot of online Hadoop building processes. The following are some of the cainiao problems I encountered when building a Hadoop pseudo-distributed environment. Build a Hadoop environment on Ubuntu 13.04 Cluster configuration for Ubuntu 12.10