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Click on "end of life", pay attention to the official account. Daily technical dry goods, delivered at the first time! Up to 70% of the problems encountered with kubernetes can be attributed to network problems. Recently, it was found that if the kernel parameter: Bridge NF call iptables is not set properly, it will affect the pod ...

Software configuration: vmware, openeuler 21.03 (other linux systems) 1. Bridging mode This is equivalent to creating a separate host in a LAN. It can access all hosts in the LAN, but it needs to manually configure the IP address and subnet mask, and it is in the same network segment as the real host (nat is two network segments). In this mod ...

Catalog 1. Cooccurrence analysis concepts 2. Cooccurrence Types 3. Code implementation 3.1   Construct Word Separator   3.2   String Storage 3.3   Build Dictionary 3.4   Construct Cooccurrence Matrix 3.5   Principal function 3.6   Weight greater than 300 4. Importing Gephi to Make Network Diagram 4. ...

Reduce network requests Browser cache Local storage localStorage localStorage is a new local storage API in html5. The storage capacity supported in general browsers is 5M. It is only saved in the browser and does not participate in communication with the server.The data stored in localStorage has no expiration time and can only be cle ...

FTP service in Linux 1, Introduction to FTP (1)FTP service - the protocol used to transfer files FTP is the English abbreviation of File Transfer Protocol. It is one of the protocols in TCP/IP protocol group. Used for two-way transfer of control files on the Internet. At the same time, it is also an Application. There are different FTP a ...

c Language Basics Record 1. Data Types Data type: Essentially an alias for a fixed-size memory block Variable: An alias that is essentially a continuous memory space int a; //Tell the compiler to allocate 4 bytes of space int b[10]; //40 bytes printf("b:%d, b+1:%d, &b:%d, &b+1:%d\n", b, b+1, &b, &b+1); // B As with &b, ...

Configuration of docker network The creation of namespace in Linux kernel ip netns command You can complete various operations on the Network Namespace with the help of the ip netns command. The ip netns command comes from the iproute installation package. Generally, the system will install it by default. If not, please install it yourself. ...

Reprinted from https://www.testwo.com/article/725 There are five main tests for performance testing: 1. Stress Testing: Emphasizing Extreme Violence 2. Stability test: Long-term operation under certain pressure 3. Benchmarking: Performance testing under specific conditions 4. Load testing: performance under different loads 5. Capacity Test: Op ...

1 Linux Kernel Implements Namespace Creation 1.1 ip netns command You can use the ip netns command to complete various operations on the Network Namespace. The ip netns command comes from the iproute installation package, which is usually installed by default. If not, install it yourself. Note: The ip netns command requires sudo privile ...

Note: the article comes from   Write-Ahead Log , the author works at Thoughtworks   Martin Fowler . This paper mainly writes "pre write log", a common technology in modern distributed database. Pre write log The persistence guarantee is provided by persisting each state change to the log in the form of command without ref ...