• The locate command of one Linux command per day


    Locate allows users to quickly search whether there are specified files in the file system. The method is to establish a database including all the file names and paths in the system, and then when searching, you only need to query the database, instead of actually going deep into the file system. In general distribution, […]

  • Linux group basic introduction knowledge summary


    1、 Introduction to Linux group In Linux, each user must belong to a group, not independent of the group. In Linux, each file has the concept of owner, group and other groups 1) Owner 2) Group 3) Other groups 4) Change the user’s group 2、 File / directory owner Generally, it is the creator of […]

  • An example of automatic login in Linux


    There are many scripts to use expect to realize automatic login, but there is no clear explanation. Beginners usually copy and collect them. But I don’t know why. In this paper, we use the shortest example to illustrate the principle of script. The script code is as follows: #!/usr/bin/expect set timeout 30 spawn ssh -l […]

  • Tutorial of repairing bash vulnerability in CentOS Linux


    Today, as soon as I turned on the computer, I found that the bash vulnerability was mentioned again in the group. I immediately searched it and found that it was even more serious than painstaking efforts. Well, it seems that there is something to do today System: centos5. X 1. Check whether your server needs […]

  • Linux VIM edit command mode


    VI (VIM) is a very common editor on Linux. Many Linux distributions install VI (VIM) by default. VI (VIM) commands are various, but if used flexibly, it will greatly improve efficiency. VI is the abbreviation of “visual interface” and VIM is VI improved. In general system management and maintenance, VI is enough. If you want […]

  • Linux system loading RAID driver tutorial


    Linux system is often used by our company. Sometimes we use it as a RAID driver, but when we do the system, it prompts that we can’t find the raid. At this time, we need to load the RAID driver to do the system. 1. Start the CD to enter the installation interface, enter Linux […]

  • Query method of RPM command under Linux


    [ [email protected] /]#RPM – QA // view all installed packages [ [email protected] /]#RPM – QA | grep VIM // query the installed package + package name [ [email protected] /]#RPM – Qi libattr devel // query package installation information Name : libattr-devel Relocations: (not relocatable) Version : 2.4.44 Vendor: CentOS Release: 7.el6 build date: 02:54:00, Saturday, […]

  • How to install and uninstall RPM package on Linux


    The methods to install and uninstall RPM package on Linux are as follows: 1. How to install RPM package The installation of RMP package can be completed by using program rpm. Execute the following command rpm -i your-package.rpm Where your-package.rpm is the file name of the RPM package you want to install, which is usually […]

  • Full analysis of CVS installation configuration and operation command under Linux


    Before introducing the CVS command, let’s talk about something elseAs previously said, in addition to the Leyuan file, the warehouse also includes a series of management files. Located at $cvsroot / cvsrootModify the management file method is equivalent to the source code file, using CVS command extraction and modificationThe purpose of each file is described […]

  • Making, decompressing and loading ISO files in Linux system


    Making and decompressing ISO files under Linux1. Make ISO image file Switch to the root account and execute the command Copy code The code is as follows: cp /dev/cdrom XXXXX.iso Xxxxx.iso is the ISO file name to be named. After execution, all the files on the CD are mapped to XXXXX. ISO 2. Loading ISO […]

  • Deep understanding of grep command in Linux


    introduce Grep command is a powerful text search tool in Linux system. It can use regular expression to search text and print out the matching lines. The full name of grep is global regular expression print, which means the global regular expression version. Its permission is for all users. Grep [- acinv] [– color = […]

  • Installation of VMware 15.5 under Linux


    To install VMware under Linux, you need to download the file in bundle format, which can be downloaded from the official website https://www.vmware.com/cn/products/workstation-pro/workstation-pro-evaluation.html The download speed of the official website may be slow, which can be obtained from my online disk: Link: https://pan.baidu.com/s/1qMm_ hYLCOvrw3ES5yuYuAQ Extraction code: 2qhh The name of the downloaded file is:VMware-Workstation-Full-15.5.0.x86_64.bundle,In general, […]