Linux

Unable to enter GRUBMethod 1CD or network boot into rescueSwitching the original machine systemchroot /mnt/sysimage/Installing GRUBgrub-Install /DEV/SDAMethod 2 Direct commandgrub-Install –root-directory=//DEV/SDAGrub configuration file is

远程连接就是在远程连接另外一台计算机。当某台计算机开启了远程桌面连接功能后我们就可以在网络的另一端控制这台计算机了，通过远程桌面功能我们可以实时的操作这台计算机，在上面安装软件，运行程序，所有的一切都像是直接在该计算机上操作一样。 今天我们一起学习一下使用Linux系统远程连接Windows系统的方法Need to prepare: VMware Workstation pro,linux system image, install Linux system (redhat6.5 used

This paper records the summary of the author's study on disk Management in Linux, and uses only the learning records.To understand how the Disk Management under Linux, first of all, the hard disk and Linux under the description of the hard disk has

Git is an open source distributed version control system that can efficiently and rapidly handle project versioning from very small to very large, and is currently the most widely used version management tool in the world.This blog, the introduction

Date command: #dateShow System time Hwclock command (i.e. Hardwareclock system hardware time) #hwclockShow Hardware Time#hwclock-WWrite system time to system hardware Ntpdate Ntpdate is a Linux time synchronization

1. The difference between type and file commands:(1) Type: Used to view whether a command is a built-in or external commandUse format: Type commandIf internal command, show builtinIf external command, display as command file path;Example:[[Email

1: Turn on virtual machine settingsClick Add Hard Drive Next2: Set Size 20G Next3: Complete4: OK then the same method in creating a5: A restart is required to set up a restart system when a disk has just been added6: Enter fdisk-l view disk to see

Clean up the Linux cache using the following commandSync Echo 3 >/proc/sys/vm/drop_cachesRequirements and principlesThe differences between buffer and cache are described below:A buffer is something that have yet to being "written" to disk.A cache

With the progress of the Times, the rapid development of technology, it field of employment requirements are gradually improved, in order to better adapt to their own market environment, small partners continue to walk on the road of learning, to

Linux Users and Groups Resource allocation (3A):Authentication CertificationAuthorization AuthorizationAccouting| Audition Audit User: (the system uses UID to determine user information)Token token identity: for verifying identitiesLinux Users:

First, create a virtual machine1. Open the virtual machine and click Create New virtual machine2. The following window appears, select Custom, then click Next3. Continue to the next step4, the window appears, you can click on the installer CD image

CHAPT1 Virtual Machine InstallationLinux system installation needs to be based on virtual machine installation, the advantage of installing on the virtual machine is that any operation on the virtual machine will not affect the internal system and

Linuxinstallation and connection of virtual machinesThe purpose of this experiment: Use Vmware Workstation Create Linux Virtual machine installation system, used after installing the operating system Xshell make a remote access connection. Lab

SARThe tool can sample the system continuously, obtain a large amount of sampling data, and the result of sampling data and analysis can be deposited into the file, the required load is very small.The SAR is one of the most comprehensive system

First, install the JDK　　I am using the RPM installation jdk1.81. Download JDKGo to the JDK download page to find the JDK you want to downloadI download is jdk-8u161-linux-x64.rpm, Baidu Cloud Resources link: Link:

Common Linux Disk OperationsDF-PH # View Hard disk capacity Df-t # View disk partition Format Df-i # View Inode node if the inode is full and cannot create the file du-h Directory # detects all file sizes in the directory # Du-sh * # shows the

You can first use Rpm-qa |grep rsync to see if rsync is installedLet's talk about the Rsyns configuration process.I. Configuring the server SideFirst edit the/etc/rsyncd.conf content as follows:uid = nobody #进行备份的用户nobody为任何用户gid = nobody #进行备份的组

Common commandsUsers # Displays all logged-in Users groups # lists the current user and the group he belongs to who-Q # Show all logged-in Users Groupadd # Add Group useradd User # Build users passwd User # Change Password Userdel-R # Delete account

Scheduled Tasks at 5pm + 3 days/bin/ls # One-time scheduled task specified three days after 5:00 execution/bin/ lscrontab -e # Edit Cycle Task # minutes Hours Day Month Week command or script 1 , 30 1 - Span style= "COLOR: #800080" >3 /2 * * *

First, Xshell Linux and Windows to achieve mutual transmission1, first with the command Yum install-y Lrzsz;2, to the WINDOSW system file, sz filename, upload files to Linux, directly enter the RZ command, and then select the file in Windows canTwo,