Preface with the application of Linux system in more and more enterprises, server automation management is becoming more and more important. In addition to the setting of scheduled tasks, the application of shell script is also a very important part in the automatic maintenance of Linux server. What is shell script S
Text editing tools under Linux-vi text keywords: text editing, vi, normal mode, editing mode, command mode 1, vi working mode due to the "everything configuration" feature of the Linux system, we often have to modify the configuration files of various software and services.
The CentOS recovery library / lib64/libc.so.6 is a library file for many commands, and deletion will cause the command not to work properly. This article is to solve this problem, as shown in the above figure, the power supply is turned on again, quickly press the Esc key to enter the rescue (
Today, we finally figured out how to calculate the broadband of the website: the official standard given by Aliyun: 1m of bandwidth 1s can open a requested 125KB resource, that is, 1000UBR request number of website broadband response time (concurrency) website resource size 1m 1s 1 125
NAT address Translation Overview Diagram this chapter we will learn and practice, static NAT address translation, dynamic NAT address translation, port mapping, PAT port multiplexing. Understand the advantages and disadvantages of NAT II. How Nat works static translation (Static Translatio)
Problem description: it was always possible to connect to the server through Xshell, but suddenly it was unable to connect. The solution is due to the remounting of the / var directory: first, check the status of the SSH service through the command: systemctl status sshd can see that there is an error
Simple difference between request method GET and POST: get method appends parameters to the URL address, such as http://localhost:8080/loginServlet.html?username=123&passwor
Enterprise rewrite actual combat operation Nginx rewrite configuration (the article is earnestly written by the team members) our public account and our official website https://wuguiyunwei.comQQ group 602183872 believe that everyone is in daily operation and maintenance.
The first step is to configure the server Nic address, the second step is to install the DNS service as shown in figure 3, the fourth step is to configure the DNS service, and to test the DNS
This article is to configure the key server, using the software pwdmig.exe. Before installing the key server, generate the key file format on the target domain as follows: if you do not install ADMT, you cannot use the command admt key / option:create / sour
Enterprise environment: * Private network DNS record * * Exchange 2010:mail.contoso.comautod
Blog address: different people in https://blog.51cto.com/13969817 organizations may like different collaborative tools to plan and track events, for example, some people like to use Outlook for event tracking, some people like to use SharePo
As the jenkins interface is in English but not very good for me, it is difficult to use, so study the next Chinese culture: first download the plug-in: Locale; installed after jienkins- > [system Management]-> [system Settings]-> [Locale]
Centos7 iscsi network storage configuration I. the configuration of the iSCSI server (target) first adds a disk configuration network card for the virtual machine, and restarts the network card service to view the differences of the system to create a logical volume configuration yum repository, and install targetd and ta
) Onedrive in Office365 is a personal network disk, and the space defaults to 1TB (put an egg: later blogs will specifically accept how to improve the space to * * TB). Sharepoint space varies according to the number of licenses purchased, and when used up, you need to purchase data storage separately.
VLAN:virtual local area network, virtual local area network-background can divide different broadcast domains in layer 2 network, thus fault isolation and rapid location can be achieved;-define a VLAN as a network segment, and the member hosts in it can
Recently in the study of automated deployment of things, linux can be deployed directly using jenkins and ansible, windows is a little less, in the search process found appcmd this tool. Appcmd as windows IIS7.
Rpm-ivh software installation commands if you install yum, you need to download foreign image installation packages on the Internet. It will slow down. Now there are domestic image installation packages with the image address yum install in the cat / etc/yum.repos.d/ directory.
1the Linux system supports extensible automatic execution of commands or scripts. 1Maginyum provides crond (view the source of the command package) 2, the system timing task directory file crond.hourly-
Nova service-list executes +-+