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运行 sudo apt update 命令时出错

tag-icon • tag-icon apt 20.04 updates sudo
运行 sudo apt update 命令时出错 
$ sudo apt update
Err:1 https://dl.google.com/linux/chrome/deb stable InRelease
  System error resolving 'dl.google.com:https' - getaddrinfo (16: Device or resource busy)
Err:2 https://deb.nodesource.com/node_17.x focal InRelease
  System error resolving 'deb.nodesource.com:https' - getaddrinfo (16: Device or resource busy)
Err:3 http://in.archive.ubuntu.com/ubuntu focal InRelease
  System error resolving 'in.archive.ubuntu.com:http' - getaddrinfo (16: Device or resource busy)
Err:4 http://archive.canonical.com/ubuntu focal InRelease
  System error resolving 'archive.canonical.com:http' - getaddrinfo (16: Device or resource busy)
Err:5 http://packages.microsoft.com/repos/code stable InRelease
  System error resolving 'packages.microsoft.com:http' - getaddrinfo (16: Device or resource busy)
Err:6 http://in.archive.ubuntu.com/ubuntu focal-security InRelease
  System error resolving 'in.archive.ubuntu.com:http' - getaddrinfo (16: Device or resource busy)
Err:7 http://in.archive.ubuntu.com/ubuntu focal-updates InRelease
  System error resolving 'in.archive.ubuntu.com:http' - getaddrinfo (16: Device or resource busy)
Reading package lists... Done
Building dependency tree       
Reading state information... Done
All packages are up to date.

when i did the ping command, i got this error

$ ping in.archive.ubuntu.com
ping: in.archive.ubuntu.com: System error

$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 50:7b:9d:be:a1:6b brd ff:ff:ff:ff:ff:ff
    inet 192.168.29.10/24 brd 192.168.29.255 scope global dynamic noprefixroute enp2s0
       valid_lft 3080sec preferred_lft 3080sec
    inet6 2405:201:f00e:fc33:ee4a:3b33:ee94:448/64 scope global temporary dynamic 
       valid_lft 3598sec preferred_lft 3598sec
    inet6 2405:201:f00e:fc33:545a:f3a:a9b3:399/64 scope global dynamic mngtmpaddr noprefixroute 
       valid_lft 3598sec preferred_lft 3598sec
    inet6 fe80::d88a:d74d:877e:a217/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether a8:a7:95:8b:47:7b brd ff:ff:ff:ff:ff:ff
    inet 192.168.29.250/24 brd 192.168.29.255 scope global dynamic noprefixroute wlp3s0
       valid_lft 2985sec preferred_lft 2985sec
    inet6 2405:201:f00e:fc33:cbde:8518:cc78:7dc1/64 scope global temporary dynamic 
       valid_lft 3598sec preferred_lft 3598sec
    inet6 2405:201:f00e:fc33:bd35:f850:cace:fc3/64 scope global dynamic mngtmpaddr noprefixroute 
       valid_lft 3598sec preferred_lft 3598sec
    inet6 fe80::e4d4:1c01:e8ab:2d5d/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever


$ ifconfig
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.29.10  netmask 255.255.255.0  broadcast 192.168.29.255
        inet6 2405:201:f00e:fc33:ee4a:3b33:ee94:448  prefixlen 64  scopeid 0x0<global>
        inet6 2405:201:f00e:fc33:545a:f3a:a9b3:399  prefixlen 64  scopeid 0x0<global>
        inet6 fe80::d88a:d74d:877e:a217  prefixlen 64  scopeid 0x20<link>
        ether 50:7b:9d:be:a1:6b  txqueuelen 1000  (Ethernet)
        RX packets 18251  bytes 17958928 (17.9 MB)
        RX errors 0  dropped 468  overruns 0  frame 0
        TX packets 9382  bytes 1918435 (1.9 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 5329  bytes 579810 (579.8 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 5329  bytes 579810 (579.8 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.29.250  netmask 255.255.255.0  broadcast 192.168.29.255
        inet6 2405:201:f00e:fc33:cbde:8518:cc78:7dc1  prefixlen 64  scopeid 0x0<global>
        inet6 fe80::e4d4:1c01:e8ab:2d5d  prefixlen 64  scopeid 0x20<link>
        inet6 2405:201:f00e:fc33:bd35:f850:cace:fc3  prefixlen 64  scopeid 0x0<global>
        ether a8:a7:95:8b:47:7b  txqueuelen 1000  (Ethernet)
        RX packets 678294  bytes 684218185 (684.2 MB)
        RX errors 0  dropped 24508  overruns 0  frame 0
        TX packets 317517  bytes 73388064 (73.3 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

错误图像

答案1

根据您的数据，您的文件/etc/nsswitch.conf可能在“hosts”行中包含无效条目。其他人观察到，“wins”需要 winbind 才能运行这里， A类似问题还显示了如何进一步检查。

因此，您需要检查您的nsswitch.conf和您的resolv.conf，并查阅手册页（man nsswitch.conf），了解这些主机条目是否有效，或者它们可能需要哪些额外的服务。

本文ping描述了和之间的区别nslookup：ping 检查你的“解析”是否正常工作，而 nslookup 检查你的 DNS 是否正常工作

如果你找不到解决方案，请尝试使用strace上面提到的链接获取有关问题的更多信息

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