livermore computing

Label: this week, many of the content is the analysis of the underlying information content, the students seem to be indefinitely, the teacher is basically to pick some key to say, take a note, I still according to the teacher, and then control bird Brother Comb again. About the start-up process analysis, rhel6 and RHEL7 are very different, the service is also, need additional grooming. this week is sick, from pregnancy to birth, and now, nearly two years has not been sick, did not expect the la

directory; 2. Get the step flow: Under the newly established directory, go to the INSTALL and README and other related files (important steps!); 3. Dependency Properties Software Installation: According to the content of Install/readme and install some dependent software (not necessary); 4. Establish makefile: detect the working environment with the Automatic detection program (configure or config) and establish the makefile file; 5. Compile: Make this program and use the Makefile in this direc

1. The first day is more relaxed, fill in the morning form, record fingerprints, take photos, do self-introduction.2. Afternoon teacher briefly introduced pc\ switch \ router \ tower server \ Rack Server (1U\2U) \ Blade server \ Tape Drive3. Teacher Chen Mr. Zhu, Preparatory qin teacherTecher ChenTecher Zhu 15000592742Techer Qing Long4. Turn on the computer and install the REDHAT7Terminal Biger/smaller/new Onectrl+shift+[+] Zoom Inctrl+[-] Zoom OutCtrl+shift+t New5 o'clock in the afternoon is ho

, also flexible allow users to customize the configuration, completely free open source, support two times development. Github:https://github.com/idcos/osinstall: Https://github.com/idcos/osinstall/archive/master.zipResources:Http://www.oschina.net/news/73225/cloudboot-osinstallHttp://jcenter.idcos.com/?/article/17Http://jcenter.idcos.com/?/sort_type-new__category-1__day-0__is_recommend-0__page-2Https://github.com/idcos/osinstallHttp://www.oschina.net/news/73225/cloudboot-osinstall"Cloud

should be such as the following: MERGE into table1 as T USING table2 as S on T.A=S.A and t.b=s.b when matched then UPDATE SET t.c=s.c,t . D=S.D when isn't matched then INSERT VALUES (S.A,S.B,S.C,S.D)after the updatetable1should be for example the following: The Collector code: A1,A2: The primary key of the table source read from the system table is stored in the variable PKS, and the result is set ["A", "B"]. The methods for obtaining primary keys are different for va

calculation results are as follows: It is important to note that the first month's ratio of the previous period value is empty (that is, January 2011). A4=a3.sort (m)This code will be A3 by month, year, in order to calculate the same time ratio. The complete code should be: =a3.sort (m,y), because A3 is originally sorted by year, so you can achieve the goal by the month sort, namely A3.sort (m), so the performance is also high. Some of the results are as follows: A5=a4.derive (if (m==m[-1],ma

IP port number: Netstat-luntp|grep MONGO if you see that the IP is not running on 0.0.0.0, edit the configuration file: Vim/etc/mongodb.conf/etc/init.d/mongodb Restart after entering modify BIND_IP restart service:/etc/init.d/ MongoDB restartTo install the Redis database:Words do not say much, and similar to the above:Install apt install redis-server start/etc/init.d/redis-server Start Modify configuration file vim/etc/redis/redis.conf Find bind modify IP restart redis/etc/ Init.d/redis-server

Tags: operating system CTI command line style BSP Lines package add textLinux is an operating system that is primarily managed through the command line, that is, to manage the system's operations through keyboard input commands, which are very different from the visual management of Windows systems using mouse clicks.Using the mouse to visualize the advantages of management is simple, easy to use, but the disadvantage is not easy to fast, batch, automated management system, and feel the system w

package in the built directory 4.createrepo/directory name Operation methodYum-y Install CREATEREPOCP gedit-*/MKDIR/MYYUMCP gedit-*/myyumcreaterepo/myyumSix SOURCE InstallationYum-y Install gcc*//install compiler TAR-XJVF Package-C directory CD extract directory./configure–prefix= installation directory//Create a profile and specify the installation directory Makemake install./configure –prefix= installation directory make make installSource UninstallDirectories extracted before CD make uni

http://blog.csdn.net/it_man/article/details/8441902Over the past two years, with the rapid development of cloud computing technology, more and more manufacturers are aware of its huge potential value. With billions of businesses investing in high-tech companies such as Microsoft, IBM, Google, and Amazon, Cloud computing has become the hottest and most topical topic in the information and communications indu

Cloud computing and storage convert physical resources (such as processors and storage) into scalable and shareable resources ("as a service") on the Internet" Computing and storage ). Although virtualization is not a new concept, physical system sharing through server virtualization can indeed increase resource scalability and efficiency. Cloud computing allows

The National High-performance computing academic annual meeting was founded in 2005 and has been successfully held for 13 years. The conference attracted nearly 2017 participants and 40 research institutes and manufacturers participated in the Conference. Each annual meeting will focus on the research progress and development trend of high-performance computing technology, major applications of high-perform

I just published some recommended books. Everyone is actively responding to Yu xingwei. I would like to recommend some for your reference only. This is a downloadable pdf format. I hope everyone will like it. Download several classic cloud computing books: virtualization and cloud computing, approaching Cloud computing, and cloud

The impact of cloud computing on traditional software engineeringWhat is cloud computing? The National Institute of Standards and Technology (NIST) gives a definition: cloud computing is a pay-per-use model that provides available, convenient, on-demand network access and access to a configurable pool of computing reso

1.1 eucalyptus: open-source implementation of EC2Eucalyptus [22] is implemented by Daniel Nurmi of the University of California and is an open source software infrastructure for cloud computing. Eucalyptus is an open-source implementation of Amazon EC2. It is compatible with EC2 commercial service interfaces. Eucalyptus is a software framework for research communities. Unlike other IAAs cloud computing syst

The advent of cloud computing has made many people see it as a new technology, but in fact its embryonic form has been in place for many years, only in recent years it has only begun to make relatively rapid progress. To be exact, cloud computing is the product of the evolution of large scale distributed computing technology and its supporting business model, and

This article is my understanding and thoughts on the operator layer of distributed computing. Because recently my development tasks are also related to this issue, the company's self-developed streaming computing framework requires an operator layer. I mainly analyze the implementation of Operators on stream systems, compare the existing computing frameworks with

The IT industry is always not introducing new concepts, so we will not be confused. NC, grid computing, IPv6, Web2.0, SOA, SAAS ...... Some of them have changed our lives. Nearly 10 years after the concept of "Grid" was proposed, another new concept "cloud computing" similar to its release version was re-proposed. An excerpt from the explanatory description of cloud com