SSH remote management SSH remote control SSH is a secure channel protocol, mainly used to achieve character interface remote login, remote replication and other functions. SSH protocol encrypts the data transmission between the two sides of the communication, including the user password entered when the user logs in. With the early tel
1. First set up a monitoring item. For example, if I want to monitor the httpd service on 192.168.0.14, first create a global macro and define the port of the http. The reason for using the macro is that if the host behind the template modifies the port, it only needs to change the value of the macro. The macro can be understood as variable 2.
The markifconfig command is in the net-tools.x86_64 package. It can be installed directly. Yum-y install net-tools.x86_64
The technology of operation and maintenance has changed and improved greatly. The current and future enterprise operation and maintenance is no longer limited to the stable operation of services, on the contrary, high availability, high concurrency and high performance have become basic requirements. As an operation and maintenance engineer or iT engineer, if you want to have the concept of global operation and maintenance, then the data is visible.
The original purpose of deploying NFS-Client Provisioner is to automatically create a PV that meets the requirements of PVC. First of all, you must have your own NFS Server and the K8s cluster can access it properly. After that, in K8s mas
1. Overview after we have made the image, sometimes we need to copy the image to another server. There are two ways to achieve the above goals, one is to upload the image to the warehouse (local or public warehouse), but the other server is very willing to just communicate with the current server LAN without the public network, so such as
Method: Racadm tool + txt file + bat step 1, Windows install Dell remote control card RACADM tool download address: https://pan.baidu.com/s/1bteY-pkLB6eCVVlvL5A
Towards the end of the year, all kinds of cloud evaluations have been released one after another. Recently, we have seen that some evaluations have also caused controversy. Third-party evaluation data can be used as a reference. If you really want to use the cloud and put the business on the cloud, you still have to do some evaluation yourself. On the one hand, the data you run is reliable, on the other hand, you know the business needs best.
Note: the following content is drawn from the shell programming practice document published by the old boy. What is a function? In the shell script, the function is similar to the command alias in the Linux system, which can simplify the code amount of the program and make the program easier to read, change and use. To put it simply, the
OSPF multi-area configuration: ideas and steps: 1. Configure R1: create port 0 ip 192.168.10.1 255.255.255.255.0 lookback 1 configure ip:10.10.1.1 255.255.255.02. Match
Use the readlink command readlink-f filename to return the absolute path
1. Disk management 1) disk space detection command: df displays free disk blocks (512B/ blocks) and idle index nodes (number of new files that can be created) in each logical disk in the current system. $df$df-t (- t gives the total number of file system blocks) 2) disk usage statistics
Kubernetes has become a recognized de facto standard for container orchestration in the industry, and it is almost omnipresent. It's hard to meet an IT practitioner who has never understood the technology of Kubernetes. Software development, testing, and infrastructure are all within its "business scope". Before creating a
First open the SSH of the ESXI host, upload the vib driver file provided by the manufacturer to the / tmp directory, and then execute esxcli software vib install-v / tmp/net-i40e_2.0.7-1OEM.600
Realize the switch of VM in Azure by email? Is this possible? Of course it can, and it's actually very simple. Let's share a wave today. In fact, by analyzing this requirement, we can find that if you want to operate on the environment in Azure by sending an email, then first of all.
Refresh disabled user mailbox status Get-MailboxStatistics-Database MXDB-NanQu | foreach {Update-StoreMailboxState-Database
First, check the network 1.1. check whether the computer network cable is plugged in. if the network cable is not plugged in, it will show that it is not connected to the internet1.2 to check the IP address, subnet mask, ping gateway 1. Check IP address and subnet mask example 1: if the obtained ip address is invalid starting with 169,
The powerful function of python is also reflected in the installation and use of third-party modules, which can be maintained by pip in the linux environment. In the windows environment, if you install it offline, you need to download it manually and install it yourself. Environment: python 2.7 & Pytho
Function: use this strategy to uniformly configure the firewall of computers in the domain. For example: open and close a port, block, allow program access and other functions. The rules can be established as needed, and the operation method is equivalent to the local arson wall setting.
Today, sorting out the previous operation and maintenance information, I found a blade server (running vmware virtualization) accident handling process, so record it, memo. The incident handling process was notified by the computer room operation and maintenance engineer at 14:10 that it appeared on the Opmanager monitoring system.
