recently working on flume+kafka+storm, I would like to ask you that you can access kafka-manager and storm ui without a password. Isn t this very insecure? how to configure an access password for these two pages? ...

function: read the contents of files in the specified directory on the remote linux server. known: server IP, port number, user name, password, path, file name. I use ssh2 mode to establish a connection, and then I can only upload or retrieve files. T...

java s web service is deployed on linux. When upgrading a new version of kill-9 XXXX, some unprocessed requests are aborted, especially some operations to write to the database. is there any way to stop service after the current request is successfull...

I recently built a GitLab repository with my own server . Every time I write it locally by clone, then push it to this warehouse, and then clone the contents of this warehouse on the online server (the same server), but I think it s very cumbersome. bu...

1. Yesterday noon server monitoring hint: server xx.xx machine cpu utilization exceeded 20% for 36 times in a row 2. Server basic information: javaweb project, provide query, export and other functions. 3. The monitoring information is as follows: yo...

suppose I deploy the application under test, and the owner and default group of the application are both test,. Why is the owner and default group of the generated path folder created from the application code root? For what reason. drwxrwxr-x 9 test t...

Aliyun: ubuntu 16.04. springBoot: 1.5.9 declare: I do not have a domain name ~ my attempt: 1 I have applied for an account on it ipv6 etc network interfaces ipv6 netstat -tnlp tcp6 udp6~~ dns ping6 ipv6.baidu.com ping ...

tomcat8 default configuration: ab4001000 tomcat8:catalina.shserver.xml tomcat8nio ab (only some simple parameters are modified here, but they should be the most direct and effective, not even the simple ones, not to mention the advanced parameter...

I have a question about docker file persistence that I d like to ask you guys now I ve created a docker container for host directory mapping when starting container-v, the folders in the home directory in my container will be empty by default. ...

I use NERDTree, in vim and there is a very useful shortcut Ctrl+w+w is used to switch horizontally, but I think it s too troublesome. I want to set another shortcut for this key combination, such as . Ctrl+Alt+Left I don t know how to configure it...

The question is this: for example, if I have built a set of services using docker-compose on machine a, is there any way to quickly use these containers on other machines (b machines)? the way I can think of is: put all the files needed to build on...

problem description: when developing java applications, you need to visit this website. Everything accesses normally on windows, and when deployed to a linux server, access timeout occurs [root@VM_18_115_centos ~]-sharp wget https: wap.zhengzhoubu...

Hello, everyone cpu ...

< H2 > when you encounter problems in the past, you can always find absolutely correct answers on the Internet, but now there are many different answers on blogs. For example, about java nio, some people say that it is Synchronize non-blocking, and some p...

the search string is highlighted when using the grep command. But sometimes there are too many search results, so if you need to page them, you should use less . grep "find string " file |less the search string is not highlighted in the less results ...

< H1 > what is the main purpose of upnp protocol? Can this requirement be achieved? < H1 > Baidu went to php java to implement upnp, and found that they are all profiles . so I d like to ask a question: if there are multiple routers and multiple nat...