how to troubleshoot mac

You may have heard of many troubleshooting methods for vswitches by Using idle ports of vswitches. The following describes how to use idle ports of vswitches to analyze network traffic, how can we use this method to make it easier for us? The following describes how to troubleshoot a vswitch. In a switched network, it is often more difficult to troubleshoot a vswitch than to

In October 29, a very bad day, XP went on strike for a year and a half. Okay, this is not a problem. Just reinstall the system. Restart the system and enter Mac OS X. Start boot camp and put it into the XP system disk. As a result, the system disk was rejected by my Mac when I heard the sound of a choppy sound from the optical drive. I have also encountered Mac d

Apache Configuration In Mac OS 10.10.1 comes with Apache software, we just need to start the corresponding service, the following command is the operation of Apache commonly used in several commands: // 启动Apache服务sudo apachectl start// 重新启动Apache服务sudo apachectl restart// 关闭Apache服务sudo apachectl stop// 查看Apache的版本httpd -v sudoI don't have to say more about the order. Start the Apache service first, then enter localhost in the browser. The appearance

Today when I use Tomcat configuration, I use a Mac that uses some commands to configure Tomcat.Here's the problem:I am particularly troublesome to start the Tomcat service every time, because I have to go to the file directory where Tomcat is located, or not to use ~/, but because I put Tomcat in a more "deep" folder, the command looks ugly and long.Problem Solutions:1. Use environment variables (methods for modifying. BASHRC)A. First look at what she

data packets. Generally, it is easy to find the fault source. Second, an ARP spoofing packet is sent after a computer in the network is poisoned. What is an ARP spoofing packet? Let's take a look at the concept of ARP: There are two types of addresses in the network. One is an IP address that we all know, for example, 192.168.0.1. The other is a physical address. For example, 00-e0-4c-8c-25-69 is the MAC address, this is the only address in the world

(In the past years, based on Esframework to do a lot of C/s system, but also to help customers solve a lot of development and operation of the technical problems, the personal feel that these historical experience is very valuable, and then I will gradually share these experiences, I hope to encounter similar problems of people who have been inspired and help. ）The primary function of the Telnet command is to make a TCP connection to the destination port (that is, to complete the TCP three hands

It 's written in front . This demo shows you how to troubleshoot a common spring boot autoconfiguration error step-by-step. Https://github.com/hengyunabc/spring-boot-inside/tree/master/demo-database-type-NONE debugging and Troubleshooting cannot determine Embedded database driver class for database type NONE error To import the project into the IDE and start the application directly, the exception information thrown is: Error starting ApplicationCon

not fully identify some chip information, resulting in the Device Manager we see the unknown hardware. It is only necessary to install the Intel chipset INF file in the CD that comes with the motherboard to troubleshoot the problem. 8 BIOS Setup error raises memory parameter error Case My Computer motherboard is pan is 8rda3+, memory is DDR400, why the boot display is DDR333, how can i solve? [Case analysis Processing] Because Pan is 8rda3+ moth

Developer-Dev dba-testers are hard to collaborate: SVN and other version tools are file-based and difficult to version control at the database level Database changes are difficult to track: existing technologies cannot track who, when, what has been modified on the database, and when errors or performance degradation occurs due to a database, it is difficult to troubleshoot Process assets for database changes cannot be logged: History of

Troubleshoot malicious packet sending on the server On the 30th, I found that the traffic of one server in another service line of my data center was extremely high (the outbound traffic of a single server exceeds 900 MB), and the access to the server was particularly slow due to the impact of traffic on service access. We suspect that this linux server should be infected with Trojans, so we need to take emergency measures to first shut down the WAN p

investigate the memory leakage of the JS program and find out which objects occupy the memory that has not been released. These objects are usually released by developers, but they are still referenced by a closure or put in an array.Memory leakage caused by observer ModeSometimes we need to add the Observer mode (Observer) to the program to solve some modules. However, improper use may cause memory leakage.To troubleshoot this type of Memory leakage

How do I troubleshoot sound problems with my device under Windows 10 system?Please read the instructions below to troubleshoot sound issues on Windows 10 devices.1. Check the Device Manager Open the Start menu, type Device Manager , select and open it from the results that appear. Select and open your sound card under the sound, video, and game Controllers section. Select the Driver column and sel

can directly use it to restore the system.Step 6Unfortunately, the small computer in this way does not complete the repair startup error, so there must be another way to save it Oh!Win 7 Hidden System repair MenuWith the Windows bug fix feature, you may be able to troubleshoot simple system problems, but many times it is not possible to fix them directly, so we can then use the built-in repair tool to restore the system to a state that was previously

Interview question: As a Linux operation, the customer reflects that opening your Web server is slow, how to debug (operation)?(a) The user case, or allOneself as the user to test. If there is no problem, from the customer's point of view to think, if you test the same problem, follow the following ideas to troubleshoot.1. The question of whether the road is to passA. Ping the Www.baidu.com motorway has not been repairedIf the ping is a pass, do not d

java.lang.ArrayStoreException AnalysisThis demo shows you how to troubleshoot a Spring boot 1 application that might appear when you upgrade to spring Boot 2 o'clock java.lang.ArrayStoreException .Demo Address: Https://github.com/hengyunabc/spring-boot-inside/tree/master/demo-ArrayStoreExceptionThere are two modules in the demo, springboot1-starter and springboot2-demo .In the springboot1-starter module, it's a simple HealthIndicator implementation. P

Yesterday morning, the test report said that there was no way to draw the table properly, I did the following to successfully troubleshoot the problem, and resolved the potential problems that may occur later.Record the process of solving the problem.The first step, check the server log, to troubleshoot the intermediate process files are not generated.docker logs -f container_idThe second step is to see if