Henry Xie 's blog
Tuesday, January 28, 2020
Dockerfile Example of Linux NonRoot User for Apache Httpd
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Requirement: In the enterprise world, there is a concern that we should not run docker images via root user unless there is an exce...
Thursday, January 16, 2020
Bpf related Kernel Devel Error
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Symptom: When we run bpf program, we get below error chdir(/lib/modules/4.14.35-1844.5.3.el7uek.x86_64/build): No such file or director...
Error: undefined symbol: bcc_prog_load on BPF program
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Symptom: When we run a bpf program, we get error as below: undefined symbol: bcc_prog_load Reason: We installed bcc via yum insta...
Tip: Download Kubebuilder and Kustomize Behind Proxy
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Kustomize: curl -x http://<proxy host>:80/ -s https://api.github.com/repos/kubernetes-sigs/kustomize/releases/latest | grep browser...
Error: error: unexpected EOF in kubectl cp
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Symptom: When we run kubectl cp <container>:/filename /tmp/filename . It error out error: unexpected EOF Solution: ...
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