CentOS

In Linux, a little attention is likely to produce a large volume of log files, even hundreds of m, drag down analysis is also a waste of time, this time, if you can cut the file into N small files, take the last file can see the recent log. There

1, the Python on CentOS default is python2.6.6 need to upgrade to 2.7.* first download the correct version on the Python official website. Then you need to install the common componentsUnzip the Python installation package to execute the compile

Install the CentOS 6.2 discovery time is not right, after the Win7 time is wrong, in the use of the CentOS system, we may encounter the problem of time is not allowed, then how can we solve this problem, the following to teach you a CentOS system

In centos, you can use the setup Configuration tool to easily configure configuration items such as firewall, network, and system service. If centos is installed with minimal installation, this tool is not installed by default. Next we will install

1. garbled characters appear when scrurecrt accesses centos.After logging in, enter the calendar command: CalOutput results with garbled characters in the calendar: 2. view the language of the current system.Input command: Echo $ LangOutput:

Open the file:/etc/sysconfig/i18n, and modify the relevant attribute configuration as follows:   Lang = "zh_cn.gb18030" Language = "zh_cn.gb18030: zh_cn.gb2312: zh_cn" supported = "zh_CN.UTF-8: zh_cn: Zh: en_US.UTF-8: en_us: en" sysfont =

Nginx installation in centos is summarized. The source code package wget is first sent to the server from the official website, through some nginx configuration, compilation, and finally service registration./etc/init.d, You can use System

The server version of centos is installed in the Virtual Machine for hadoop-related experiments. Centos for server does not have a desktop environment by default, and eth0 is not enabled by default. We need to manually start the network.Key

/*** CentOS-6.4-minimal integrates APACHE-2.2.29 with Tomcat-6.0.41 * versions * AJP (APACHE jserver protocol) through a JK-1.2.40) * Tomcat provides special JK plug-ins to communicate with Tomcat and HTTP servers (such as Apache, nginx, and IIS,

/* CentOS-6.4-minimal version of the source code installation APACHE-2.2.29 * installation * Source Code installation software often see three steps * 1) configuration environment: Usually the command is. /configure -- prefix = Dir (that is, specify

Under the Centos-7.x86_64.   The following message may be prompted during compilation: checking for APR... noconfigure: error: APR not found. Please read the documentation.checking for APR-util... noconfigure: error: APR-util not found. Please read

1. Use the setup command [1] Open a terminal window and enter the setup command [[email protected] ~]# setup [2] Select firewall configuration and run tool to go to the firewall configuration page. [3] select Enabled to enable the firewall. If

MySQL master-slave solution introduces the main functions of the MySQL master-slave solution:Read/write splitting allows the database to support larger concurrency. Especially important in reports. Some Report SQL statements are very slow, leading

Notes on centos compilation and installation of Apache 2.4.6 Author per pixel Font Size   The Apache version of the server was 2.2.x before. In view of the inertia of the centos update software, I think Apache 2.4 may not necessarily appear in

$ OpenSSL versionOpenSSL 1.0.1e-FIPS 11 Feb 2013 $ Yum list | grep OpenSSLOpenSSL. x86_64 1.0.1e-16. el6_5.4 @ updatesKrb5-pkinit-openssl.x86_64 1.10.3-15. el6_5.1 updates.OpenSSL. i686 1.0.1e-16. el6_5.15 updatesOpenSSL. x86_64 1.0.1e-16. el6_5.15

What do you do when you are not sure about the commands you run, especially the complex commands that use many options? In this case, we use man pages for help. Some other options may include'Help','Whereis'And'Whatis. But all of these have both

Hadoop Disable firewall and SELinuxRpm-IVH jdk-7u67-linux-x64.rpmYum-y install wget rsync NMAP openssh-clientsCD/usr/local/Tar xvf/root/hadoop-2.5.0.tar.gzLn-s hadoop-2.5.0 hadoopVI ~ /. BashrcExport java_home =/usr/Java/jdk1.7.0 _ 67Export

/:Root directory. Generally, only directories are stored in the root directory. Do not store files./etc,/bin,/dev,/lib,/sbin should be placed in the same partition as the root directory./Bin:/usr/bin:Directory of executable binary files, such as

In the last two days, we have set up a Linux big data processing environment for a project. The system is centos 6.3. I mainly configure JDK, install Tomcat, hadoop, hbase, and zookeeper software. I am also a newbie in hadoop. I have encountered

Centos system poisoning (sfewfesfs) process records On October 11, October 16, 2014, today is my class. when I took over the course, I encountered a problem that I never encountered before, that is, the server was poisoned and continuously sending