One, one. Environment: window system Huawei eNSP 4 PCs, 2 switches, 1 router (preferably enterprise) 2. To connect, the basic equipment topology diagram is as follows: step 1. Do the small unit first and fill in the IP arrow for each PC. Wait a minute.
Common usage of awk1.awk the command format used by awk is as follows, where single quotation marks and curly braces "{}" are used to set the processing action on the data. Awk can directly process the target file, or it can enter the target file through the "- f" read script.
One. Configure the firewall, open port 80 and port 3306 @ (contact this blogger for details, there is a blogger's mailbox on the home page) @ @ CentOS 7 defaults to firewall as the firewall, here it is changed to iptables firewall. 1. Close fi
How do I add program shortcuts or scripts to startup items to achieve self-startup? ©Lander Zhang focuses on on-demand IT infrastructure operation and maintenance services for foreign enterprises, and IT Helpdesk practical training practitioners blog: https://blog.51cto.com
A query page suddenly appears the following error: Uncaught SyntaxError: Invalid or unexpected token, translated into Chinese: the captured query is invalid or unexpected tag. What is this? Carefully query the code logic
1. Note before creating backup task (1) add backup components, such as ESXI host, backup agent, backup repository (2) backup repository has enough space, and configure Email notification (3) turn on Linux virtual of guest OS indexing
In-depth understanding of the structure of the program 1 the segment program in the static executable program is composed of different segments (code segments, data segments). The static characteristics of the program are instructions and data, and the dynamic characteristics are the execution of instructions to process data. Correspondence between source code and executable program: compilation of executable statements for code snippet source code
Build a web server under server2016 & three kinds of virtual host experimental documents experiment 1, experimental task website home directory-path: c/inetpub/wwwroot default document format: view default documents, the most commonly used index.html more
The migration of KVM virtual machines between different hosts is a complex problem. There are many solutions, but different solutions have their advantages and disadvantages. Let's analyze several available migration schemes of KVM virtual machines. 1. Transfer of data during virtual machine migration (disk mirroring and
Just about to get off work today, my colleague said that an old tower server in 2007 gave a beep alarm and a long tone alarm, but the indicators of the server and hard disk were not abnormal. Turn off the computer and take a look at it. There is a red light flashing alarm on the megaraid sas 8708elp raid card. Restart and enter ra
Now there should be quite a lot of people using the win7 system. Although the windows family has been upgraded to the current win11, I believe the computer system used by most people is still win7. Today, we are going to talk about a solution to the over-exposure of wallpaper. Although it is not clear why, but
Background introduction: recently, the company has launched the golden disc ERP, and the server is using the previous environment (dell FS12TY + windows 2012 R2 + MSSQL2008 + kingdee kis flagship version). Question: gold disc ERP
You can set the location record of the compilation environment: 1, / etc/environment2, .bashrc3, / ect/profile
Let's take a look at interruptions today. What is an interruption? An interrupt is a mechanism by which a processor communicates with a peripheral, which is used to "notify" that an "important event" has occurred outside the processor. In general, interrupts need to be responded by the processor. Let's take a look at the interrupt service program (ISR): 1. From the peripherals
Some time ago, a customer uninstalled the locally installed Office and installed the Office365 client online. after the installation, the password prompt for the Office365 account could not be activated normally. I would like to share with you the whole troubleshooting process. First of all, let's take a look at the situation from Offi.
Basic environment: Centos7.2192.168.200.126 ceph2192.168.200.127 ceph3192.168.200.129 ceph4 turns off firewall and selinux# setenfor
1. Add new users: useradd dkpasswd dk adds ordinary user dk to the sudo permission table, so that when dk wants permission, sudo + command: vi / etc/sudoers finds root ALL= (ALL) ALL under
To build and deploy Exchange 2016 remote disaster recovery environment, we need to have two AD sites. In this experiment, it is inevitable to have two different network segments of IP, so we need to deploy a router that can use windows server 2012R2 server.
First, create a directory called "WindowsPowerShell" in the user's documentation directory, for example: C:\ Users\ silence\ Documents\ Windows PowerShell II, in WindowsP
Sed tool sed (Stream EDitor) is a powerful and simple text parsing conversion tool, which can read the text and edit the text content (delete, replace, add, move, etc.) according to the specified conditions, and finally output all lines or only some of the lines processed.
