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  1. ChinaMartin

    Linux python default environment deleted mistakenly ! How to recover from this?

    Hi, JasKinasis, Thank you so much for your advice. It seems reinstall my Linux system is inevitable. I will soon do that for sure.
  2. ChinaMartin

    Linux python default environment deleted mistakenly ! How to recover from this?

    My linux version: CentOS Linux release 7.5.1804(core) I deleted the python default environment mistakenly, then i can not use yum command anymore. It seems yum depends on the python default environment. Anyone could tell me how to recover from this ?
  3. ChinaMartin

    DNS works for ping and nslookup but wget/curl/dig failed always

    Hi, Rob, Sorry for this late reply, I finally figured it out on my own. The truth is that if IPv4 and IPv6 address are configured at the same time, The Linux (Cent os 7)would request A record and AAAA record with same source IP, source Port, destination address and destination port at the...
  4. ChinaMartin

    DNS works for ping and nslookup but wget/curl/dig failed always

    Waiting for help, My machine is running Linux Cent OS 7.4, however, i found that DNS works for ping and nslookup but wget/curl/dig failed always. I am sure DNS server is okay. when issuing commands like wget/curl/dig, there's DNS request for URL, but DNS always failed to response. ping and...
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