Category:OS

  • Nonvolatile MRAM memory used in all levels of cache

    Time:2021-3-7

    Reluctance random access memoryMRAMIt is a new type of memory, which has the advantages of fast reading speed, high integration and non-volatile. At present, many researches focus on the application of MRAM in computer storage system. At the same time, nonvolatile MRAM memory is also used in all levels of cache. MRAM replaces SRAM as L2 […]

  • Installing and using Memcache on Linux server

    Time:2021-3-7

    The server side mainly installs the server side of Memcache, and the latest version is memcached-1.3.0.Download: http://www.danga.com/memcached/dist/memcached-1.2.2.tar.gzIn addition, Memcache uses the library libevent for socket processing, so it also needs to install libevent. The latest version of libevent is libevent-1.3. (if you have installed libevent on your system, you don’t need to install it.)Official website: […]

  • What are the functions of command key in MAC system

    Time:2021-3-7

    The command key of MAC and apple computer is next to the space. I believe you will use it very often. However, do you know what other functions the command key has? Here’s the developer editor to share with you five very useful command functions, which can greatly improve your work efficiency.   Command key has […]

  • Composition of MRAM cache

    Time:2021-3-6

    Reluctance random access memory(MRAM)It is a new type of memory, which has the advantages of fast reading speed, high integration and non-volatile. At present, many researches focus on the application of MRAM memory in computer storage system. Because of its many advantages, MRAM has the potential to replace SRAM and DRAM. MRAM memory constructed with […]

  • Windows emergency response and system reinforcement (11) — log analysis and investigation of Weblogic vulnerabilities

    Time:2021-3-6

    Log analysis and investigation of Weblogic vulnerabilities 1、 Introduction to Weblogic: 1. Introduction to Weblogic: Weblogic is an application server developed by famous Oracle company. It is the first successful commercial J2EE middleware and container, which is used to develop, integrate, deploy and manage large distributed web applications, network applications and database applications; Weblogic is […]

  • Linux add path to path environment variable

    Time:2021-3-6

    Linux add path to path environment variable 1、 Path environment variable The path variable is the place where the Linux system stores the search path of the executable file, which is equivalent to the path variable of the windows system. Because I haven’t used it in other operating systems, I don’t know the details. Similar […]

  • DOS if condition judgment

    Time:2021-3-6

    1. To determine whether a drive, file or folder exists, use the if exist statement;2. Judge whether two strings are equal, and use if “string 1” = = = string 2 “statement;3. To judge whether two values are equal, use the if value 1 equ value 2 statement;4. Judge whether a variable has been assigned, […]

  • iwctrl.exe What process is iwctrl process query

    Time:2021-3-6

    Process file: iwctrl or iwctrl.exeProcess name: novastor novadiskProcess category: processes with security risksEnglish Description: iwctrl.exe is a part of NovaDisk InsertWrite and allows you to use the packet-writing facilities of this CD writing suite. In this way a auser can burn files to the CD as if using windows explorer. This is a non-essential process. […]

  • Full analysis of SED command in Linux

    Time:2021-3-6

    1、 About sedSed: stream editor stream editor is also known as line editor, which only edit one line at a time. Sed works in “schema space” and does not operate on source files. No harm to source files. 2、 Sed usage formatThe common formats of the SED command are as follows:(1)Sed [options] ‘script’ input_file…(2)Sed [options] […]

  • Connecting to CentOS 6.6 server with xshell

    Time:2021-3-6

    1、 If you are installing the CentOS system as a server in the VMware Workstation virtual machine, follow the steps below to view the IP address: Enter the CentOS system, right-click on the CentOS desktop and select “open in terminal”, execute [Su root] to switch to root user, and then execute [ifconfig], You can see […]

  • Mac app store always fails to update or download programs

    Time:2021-3-6

    Mac app store is the app store of apple computer. Basically, all the tools used will be downloaded here. Why does the update or download program always fail in MAC app store? I believe many netizens have encountered similar problems more or less. This paper introduces some methods to solve this problem. Why update or […]

  • Win10 is unable to save the file and prompts what to do if the file cannot be found

    Time:2021-3-6

    Win10 can’t save the file. What should I do if I can’t find the file?Recently, I encountered a computer failure in win10 system. Suddenly, I couldn’t save the file in the computer, and prompted “the file can’t be found, please check whether the file name is correct, and then try again.” How to solve this […]