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ubuntu 18.04+ 不检查 /etc/hosts 为什么 etc hosts 更新不再起作用？如何更新 /etc/hosts

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ubuntu 18.04+ 不检查 /etc/hosts 为什么 etc hosts 更新不再起作用？如何更新 /etc/hosts

为什么更新 /etc/hosts 不再起作用？

我该如何调试并使其工作？

cat /etc/hosts:

127.0.0.1   localhost
::1     localhost

# I added this line
127.0.0.1   kakfa

cat /etc/nsswitch.conf：

hosts:          files mdns4_minimal [NOTFOUND=return] dns
networks:       files

protocols:      db files
services:       db files
ethers:         db files
rpc:            db files

netgroup:       nis

cat /etc/resolv.conf：

nameserver 127.0.0.53
options edns0 trust-ad
search lan

systemd-resolve --status：

Global
       Protocols: -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported
resolv.conf mode: stub

Link 2 (enp3s0)
Current Scopes: none
     Protocols: -DefaultRoute +LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported

Link 3 (wlp0s20f3)
    Current Scopes: DNS
         Protocols: +DefaultRoute +LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported
Current DNS Server: 192.168.1.1
       DNS Servers: 192.168.1.1
        DNS Domain: lan

有关的：

答案1

我为 127.0.0.1 写了两行

应该是

127.0.0.1   localhost     kakfa
::1     localhost

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