[ORACLE] ORACLE EM configures Flash plug-ins to properly display the Performance view

Usually after the database installation is completed, opening the Performance View of Enterprise Manager will not be able to display, and prompt you to lack plug-ins, you can follow the following steps to configure: 1. Open the Adobe website and choose the appropriate version to download Flash Player plug-in. 2. Unzip the downloaded flash_p ...

Posted by blear on Fri, 15 Feb 2019 02:00:19 -0800

directory index of "/usr/share/nginx/html/" is forbidden

After installing nginx, access the local ip, and the result will be reported directly. Then go to the nginx error log and see the following error message, which means that there is no error under html. directory index of "/usr/share/nginx/html/" is forbidden 1. If there is no index.php,index.html under / usr/share/nginx/html, the domain na ...

Posted by renzaho on Tue, 12 Feb 2019 20:12:18 -0800

[docker] single physical machine-multiple physical machines Centralized-Monitoring [ansible-cmdb/netdata/Serverstatus]

netdata-monitoring single vm It is suitable for resource monitoring of single physical machine. github docker run -d --cap-add SYS_PTRACE \ -v /proc:/host/proc:ro \ -v /sys:/host/sys:ro \ -p 19999:19999 titpetric/netdata Serverstatus - Monitor multiple VMS (cs mode - psutil) Disadvantage: Both the serv ...

Posted by dhruvasagar on Sat, 09 Feb 2019 21:27:18 -0800

Re-study Python-Day 04-python Foundation - > tuple + dictionary + string learning

tuple   Tuple: The feature is that the content is immutable. It is a read-only list that can be queried and not modified. a = 2, print(a) print(type(a)) b = ('a','b','c') print(b[1]) Operation results: (2,) <class 'tuple'> b   Dictionaries   Dictionary: The internal data is printed out in disorder, the key value ...

Posted by dhaselho on Thu, 07 Feb 2019 09:30:17 -0800

jenkins k8s dynamic increase and decrease jenkins-salve (1) production and deployment of jenkins-master image

By default, k8s is installed in this tutorial ** I. Making jenkins-master ** 1. Pull jenkins image docker pull jenkinsci/jenkins:lts 2. Run the jenkins image docker run -tid -p 8080:8080 –name jenkins-master jenkinsci/jenkins:lts 3. Visit jenkins 127.0.0.1:8080 4. Get the initial jenkins key docker exec -ti jenkins-maste ...

Posted by shimano55 on Wed, 06 Feb 2019 02:33:17 -0800

Selenium Practical Course Series (2) - - Element Orientation

Selenium webdriver can simulate the operation of browser on the premise of location of interface elements. Location of elements can be said to be the basis of Selenium automation scripts. In this section, the author will introduce how to locate elements in selenium. Method of locating elements Selenium provides the following methods for locatin ...

Posted by andyhoneycutt on Mon, 21 Jan 2019 13:15:13 -0800

Doker does not start properly: Failed to start Docker Application Container Engine

The docker on the virtual machine can't start when it shuts down. The specific abnormalities are as follows. Startup time: [root@localhost docker]# systemctl start docker Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details. F ...

Posted by nezbo on Tue, 08 Jan 2019 15:51:10 -0800

The Difference between case when External sum and count in SQL Statement

The following table TEST: category | commdity | price ------------+------------+------- Clothing | T-shirt | 1000 Office supplies | puncher | 500 Kitchen utensils | kitchen knife | 3000 Kitchenware | Pressure cooker | 6800 Kitchenware | Fork | 500 Kitchenware | Cleaning the Vegetable Board | 880 Office Suppl ...

Posted by volatileboy on Sun, 06 Jan 2019 03:18:10 -0800

Use of Homebrew on Mac (Homebrew makes OS X more complete)

What is 0 Homebrew? "Homebrew installs the stuff you need that Apple did't. - Homebrew makes OS X more complete." Homebrew's official website [1] (Multilingual Version) Briefly describes how to install and use the tool, and provides its own Wiki. 1 Install Homebrew The installation of brew is simple, using a r ...

Posted by daq on Fri, 04 Jan 2019 17:24:11 -0800

Build and use K8s cluster < use ingress to expose spring cloud service >

Exposing Spring cloud services with ingress The k8s cluster has been successfully built and can be deployed, but it is impossible to check the running node and nodePort every time you visit the service. Even if you check the node and nodePort, you can't avoid restarting k8s or Replication Controller, node and nodeport will change again. K8s p ...

Posted by abigail on Thu, 03 Jan 2019 19:57:09 -0800