A few days ago on the Internet, see an article, said MySQL from being orcle revenue bag, have abandoned the meaning of the MySQL community Open source, and the MySQL into the community and Enterprise version. I day his ancestors board, are Money TM
Objective
First of all, specifically, Yum is just to solve the problem of RPM dependencies, rather than a different software installation mode. Although in the CentOS can directly use the Yum source, but also exists with the external network
First, we use SSH to login to the operating system ...Then download the installation package
Copy Code code as follows:
wget Http://catlnmp.googlecode.com/files/lnmp1.1.zip
And then we unpack it.
Copy Code code as
Objective
This paper is mainly recorded under the CentOS 6.7 system installation JDK7 process record, the following words do not say, come together to see.
The method is as follows:
1, the official Oracle Download the latest JDK installation
Running Elasticsearch 2.3 on CentOS 6.5, the exception is as follows:
Exception in thread "main" Java.lang.RuntimeException:don ' t run Elasticsearch as root.
At Org.elasticsearch.bootstrap.Bootstrap.initializeNatives (bootstrap.java:93)
Set default JDK under CentOS
Recently in the Linux, with the Yum source installed Opnjdk-devel version, with the command Ll/etc/alternatives/java view, found to point to the JRE directory, rather than JDK, this setting points to the JDK directory.
Objective
In the process of using the CentOS system, if you do not want to delete users, only temporarily or in the short term to prohibit a user login system, you can use the following two ways to achieve:
1, only the user's records removed from
Because the previously built MongoDB fragment does not use the replica set, the recent network pressure is large, so ready to study, so in their own computer virtual machine to build the environment, but found before VMware set DHCP, so each resume
There is no need to dwell on the relationship between CentOS, Fedora and Redhat. Redhat I can't afford it, its anti-piracy work is very good, so I have never used redhat. Fedora is my first contact with Linux on a system, I think it is very good,
Iptables is a Linux Class Server important network security system tools, considering that most servers have dedicated team hosting, server administrators most of the time only through SSH remote management, in the case of security, to ensure the
Because Aliyun's CentOS 6.5 version of the default kernel kernel version is 2.6, the lower. After installing the Docker, it cannot run.
Steps:
1, use the command to update:
Yum Update
2, install Docker. This ignores 500 words ....
3, use the
System upgrade to CentOS 7 after the total feeling iptables strange, for example, no matter how to save the restart after the initialization, even if I finally issued a big trick when the start of the command:First iptables-save >/etc/iptables.rules
Although it's simple to build SVN on windows, it's not very efficient, of course, compared to Linux. However, it's very cumbersome to build SVN on Linux, so today's article is a step-by-step lesson on how to build svn on CentOS.
The installation
First find the corresponding link on the official web, and then use the wget command to download it locally.wget http://dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpmrpm-i mysql-community-release-el6-5.noarch.rpmInstall the client
1. Download VMware2. Ready the image file for CentOS3. Open VMware to create a new virtual machineSelect Custom Advanced and press NextContinue to the nextChoose to install the operating system laterClient OS Select Linux, version select CentOS
1. Install libevent before installing Memcached , first download with wget Libevent:wget http://www.monkey.org/~provos/libevent-1.4.13-stable.tar.gzTar zxf libevent-1.4.13-stable.tar.gzCD libevent-1.4.13-stable./configureMake && make install 2.
Linux system boot starts the boot process starting from the beginning of the BIOS detection of hardware information =. Reads the MBR (the first sector of the NO. 0 track on disk), which is the master boot record, which is the primary boot recording.
Experimental process:This article is on a RHEL6.5 machine, through to the native CentOS7.2 ISO Add Kickstart startup script ks.cfg and read script boot options, then re-encapsulate the ISO image, complete the CentOS7.2 automatic installation disc
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