Linux

I. Differences between compilation and RPm installation: Compile and install: Compile the source code package into a binary file. Advantage: You can adjust the compilation parameters on your own. You can adjust the expected results on your own,

1. Prepare the environmentVersion 1.1Linux: Ubuntu Server 12.04.1 LTS; Swift version: 1.0 (installed later ); Python version: 2.7.3 (later installation ); Python-swiftclient version: 1.3.0 (installed later ). Summary of Swift multi-node installation

The DNS Cache Server can speed up DNS access and implement fast resolution for LAN access. It is suitable for enterprise local networks with low Internet bandwidth, reducing repeated DNS queries and improving the speed through caching! How to

[Symptom]: The application responds slowly and is restarted by the monitoring script. The application load is low and the access pressure is low. [Cause Analysis ]: 1. Use netstat-na | wc-l to check the number of connections. The connection count

System Environment Operating System: CentOS 6.5 Cloudera Manager version: 4.8.1 CDH version: 4.5.0 Preparations for each machine: yum -y groupinstall "Development tools"yum -y installwget Cloudera-manager package address: http://archive.cloudera.com/

1. Check whether Samba is installed on CentOS. # Rpm-qa | grep samba Note the version number. If the main installation package of samba is missing, you need to download and install the main installation package based on the installed version, or

Download the latest Nginx URL http://nginx.org/en/download.html Wget http://nginx.org/download/nginx-0.8.53.tar.gz  Decompress and download the source code package.Tar-zxvf nginx-0.8.53.tar.gz Go to the decompressed source code folderCd nginx-0.8.53

1. Install the ssl module # Yum-y install mod_ssl 2. Tell apache which website is to Use https, that is, to build a website. It can also be the same as what was previously set up in http. # Vi/etc/httpd/conf. d/ssl.

# Uname-HP-UX xxxx B .11.31 U ia64 The disk array usually allows you to adjust the LUN size. If you increase the LUN size, perform the following steps to merge the additional space into the volume group:1. Increase the LUN size according to the

The following is a flowchart about disk replacement. We will introduce the process 1-5 to help you understand the disk replacement process in different situations.   The analysis is as follows: Scenario 1: Diskmirrored) If the faulty disk belongs

Environment Description: The NFS server is HPUX 11.31 and the NFS client is CentOS5.5. 1. Modify the NFS server host configuration file Vim/etc/hosts 172.16.10.10 hpdb 172.16.10.15 app1 172.16.10.16 app2 Note: The host name is used in the nfs

In the blog article () about the ArcGIS 10.1 for Server architecture, we know that the GIS Server is equal to each other as part of the website architecture of ArcGIS 10.1 for Server, clusters can be performed between multiple GIS servers. In this

Translated from: https://github.com/nathanmarz/storm/wiki/setting-up-a-storm-cluster. This article describes how to build and run a storm cluster. If you use AWS, you can take a look at the storm-deploy project. The storm-deploy project enables

This article mainly introduces one of the two operations of storm: Local Mode. The local mode simulates all the functions of a storm cluster in a process, which is very convenient for development and testing. Running topology in local mode is

Background The past decade has been a decade of Data Processing revolution. MapReduce, Hadoop, and related technologies allow us to process much larger data volumes than before. However, these data processing technologies are not real-time

Recommended: Install Tigase in CentOS Install the first tigase Server1.Environment required for tigase Server installation. [Root @ tigase3 ~] # Yum install java-1.7.0-openjdk.x86_64 java-1.7.0-openjdk-devel.x86_642.Download the tigase server

Install, set up, and debug a tftp server on Ubuntu 12.04 Step 1: first describe that ubuntu is disabled by default by root, so you must first create a root user so that sudo is no longer needed: $ Su root Enter the password to obtain the

1. ELLA monitoring requirements XMonitor Monitoring System (svn directory svn.d.xiaonei.com/Hadoop/Xmonitor) 1 monitoring display NameNode: gc_heap/load/performance/cluster/operation JobTracker: gc_heap/rpc/job_status/queue_status HMaster:

The following two commands download files from HDFS to a local machine. Get Usage: Hadoop fs-get [-ignorecrc] [-crc] Copy the file to the local file system. You can use the-ignorecrc option to copy files that failed CRC verification. Use the-crc

Installing Drupal 7 in Ubuntu is very convenient, and the most convenient way is of course Sudo apt-get install drupal7 However, the Drupal 7 package of Ubuntu has been greatly adjusted compared with the official download, so the installation is