21. W5100S/W5500+RP2040 Raspberry Pi Pico<Host computer search and configuration device>

Article directory 1 Introduction 2. Related introduction 2.1 Brief description 2.2 Principle 2.3 Advantages 2.4 Application 3. WIZnet Ethernet chip 4. Host computer search and configuration test 4.1 Program flow chart 4.2 Test preparation 4.3 Connection method 4.4 Related code 4.5 Test phenomena 5. Precautions 6. Related links 1. Preface In the field of automation […]

linux soft AP–hostapd+dhcpd

linux soft AP-hostapd + dhcpd May 08, 2018 ? Comprehensive ? 4908 words in total ? Font size Small Medium Large ? Comments are closed With the increase in wireless devices such as mobile phones and laptops, the company’s three home wireless routers have been overwhelmed, and some people always say they can’t connect. Who […]

HTTP and HTTPS website Linux environment host configuration examples

Table of Contents Foreword: 1. Based on the domain name www.openlab.com, you can access the website and the content is welcome to openlab! ! ! analyze: Related configuration: 2. Create three website directories for the company to display student information, teaching materials and payment websites respectively. Based on www.openlab.com/student website to access student information, www.openlab.com/data […]

Install redis-cluster three hosts and six instances

1. Prepare the environment: three clean virtual machines and turn off the firewall and selinux 192.168.46.129 redis-1 7001 7002 192.168.46.132 redis-2 7003 7004 192.168.46.135 redis-3 7005 7006 2. Install redis Use the script installation given above or other installation methods. Please change the script installation to the available yum source. 3. Configure different nodes and […]

Android 13 GTS GtsPermissionControllerHostTestCases Test Failed

Android13 tablet project test GtsPermissionControllerHostTestCases Failed, the failure log is as follows: java.lang.AssertionError: on-device tests failed: com.android.gts.permissioncontroller.PermissionControllerTest29#testGranted: java.lang.NullPointerException: Attempt to invoke virtual method ‘boolean androidx.test.uiautomator.UiObject2.isChecked()’ on a null object reference at com.android.gts.permissioncontroller.BasePermissionsTest.setPermissionGrantState(BasePermissionsTest.java:527) at com.android.gts.permissioncontroller.BasePermissionsTest.setPermissionGrantState(BasePermissionsTest.java:502) at com.android.gts.permissioncontroller.BasePermissionsTest.grantPermissions(BasePermissionsTest.java:393) at com.android.gts.permissioncontroller.BasePermissionsTest.grantPermission(BasePermissionsTest.java:389) at com.android.gts.permissioncontroller.PermissionControllerTest29.testGranted(PermissionControllerTest29.java:103) at android.permissioncontroller.gts.Utils.runDeviceTests(Utils.java:130) at android.permissioncontroller.gts.Utils.runDeviceTests(Utils.java:80) at android.permissioncontroller.gts.Utils.runDeviceTestsAsCurrentUser(Utils.java:44) at android.permissioncontroller.gts.PermissionControllerHostTest.testGrantAppPermissionFragment(PermissionControllerHostTest.java:229) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) […]

Prometheus+Node_exporter+Grafana implements monitoring host

Prometheus + Node_exporter + Grafana implement monitoring host If there is no installation-related configuration, you must first install and configure it. The environment is based on Linux. The relevant environment configuration of the virtual machine is given at the end of the article. Now we will explain the installation and use of Prometheus + Node_exporter […]

DLL hijacking & CS online host

DLL hijacking What is a DLL file Baidu Encyclopedia: The full name of DLL is Dynamic Link Library, which is called “dynamic link file” in Chinese. In the Windows operating system, DLL is very important for program execution, because when the program is executed, it must be linked to the DLL file in order to […]