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kubernetes, Linux, 学习知识, 运维

kubernetes：unable to connect to the server x509 certificate has expired or is not yet valid

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kubernetes在执行kubectl命令时遇到kubeconfig过期的问题，提示certificate has expired，解决方法如下：

Linux, 运维

在arm-centos7上使用qtcreator 调用gdb debug出错，重编python和gdb

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起初是在arm机器上，qtcreator-4.12.4无法调度用gdb进行debug，现象是点击debug->Start Debugging->Start Debugging Without Deployment后，状态栏出现红色的进度条，然后启动qtcreator的terminal出现以下错误

Linux, 运维

This application failed to start because it could not find or load the Qt platform plugin xcb

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qt开发的应用在启动时出现错误信息：This application failed to start because it could not find or load the Qt platform plugin xcb