私はCaliLinuxを使用しています。私のNetworkManagerが有効になっています。しかし、私のNetworkManagerまたはnetwork.serviceはランダムに失敗し続けます。ほとんどの場合、ネットワークサービスですが、Wi-Fiが失われました。その後、ネットワークサービスを開くことができません。 /etc/network/interfaces ファイルを正しく設定すると、問題が解決する可能性があると思いました。
└─$ sudo systemctl status networking.service
● networking.service - Raise network interfaces
Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled)
Active: active (exited) since Fri 2022-05-06 03:36:24 +06; 1min 28s ago
Docs: man:interfaces(5)
Process: 2693 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=0/SUCCESS)
Main PID: 2693 (code=exited, status=0/SUCCESS)
Tasks: 4 (limit: 18384)
Memory: 1.5M
CPU: 2.141s
CGroup: /system.slice/networking.service
└─2724 /sbin/dhclient -4 -v -i -pf /run/dhclient.wlan0.pid -lf /var/lib/dhcp/dhclient.wlan0.leases -I -df /var/lib/dhcp/dhclient6.wlan0.leases wlan0
May 06 03:36:12 pegasus ifup[2724]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
May 06 03:36:12 pegasus ifup[2724]: send_packet: Network is down
May 06 03:36:12 pegasus ifup[2724]: dhclient.c:2446: Failed to send 300 byte long packet over wlan0 interface.
May 06 03:36:12 pegasus dhclient[2724]: send_packet: Network is down
May 06 03:36:12 pegasus dhclient[2724]: dhclient.c:2446: Failed to send 300 byte long packet over wlan0 interface.
May 06 03:36:23 pegasus dhclient[2724]: No DHCPOFFERS received.
May 06 03:36:23 pegasus ifup[2724]: No DHCPOFFERS received.
May 06 03:36:23 pegasus ifup[2724]: No working leases in persistent database - sleeping.
May 06 03:36:23 pegasus dhclient[2724]: No working leases in persistent database - sleeping.
May 06 03:36:24 pegasus systemd[1]: Finished Raise network interfaces.
lspci
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8822CE 802.11ac PCIe Wireless Network Adapter (rev ff)
IPワン
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
link/ether 32:4a:0d:d8:42:37 brd ff:ff:ff:ff:ff:ff permaddr 70:66:55:98:e2:a1
ipnet、ifup、ifconfig
┌──(pegasus㉿pegasus)-[~]
└─$ sudo ifconfig wlan0 up
SIOCSIFFLAGS: Operation already in progress
┌──(pegasus㉿pegasus)-[~]
└─$ sudo ip link set wlan0 up
RTNETLINK answers: Operation already in progress
┌──(pegasus㉿pegasus)-[~]
└─$ sudo ifup wlan0
ifup: interface wlan0 already configured
構成ファイル
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
usb0 no wireless extensions.
設定されている場合
eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether a8:5e:45:d4:9e:02 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
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 10 bytes 580 (580.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 10 bytes 580 (580.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
usb0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.168.176 netmask 255.255.255.0 broadcast 192.168.168.255
inet6 fe80::5dcf:878c:b723:4fef prefixlen 64 scopeid 0x20<link>
ether ca:b0:8b:06:a0:05 txqueuelen 1000 (Ethernet)
RX packets 30207 bytes 30987462 (29.5 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 23574 bytes 4358491 (4.1 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0