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I'm having some problems setting up the "access-points": in netplan , when the renderer: NetworkManager . My yaml is

cat /etc/netplan/00-installer-config.yaml
network:
  version: 2
  renderer: NetworkManager
  wifis:
    wlp58s0:
      dhcp4: true
      optional: true
      access-points:
        "VCRoom065":
          password: "xxXXxx"

When I

sudo netplan --debug generate
sudo netplan --debug apply

** (generate:1259): DEBUG: 18:58:22.019: Processing input file /etc/netplan/00-installer-config.yaml..
** (generate:1259): DEBUG: 18:58:22.019: starting new processing pass
** (generate:1259): DEBUG: 18:58:22.020: wlp58s0: adding wifi AP 'VCRoom065'
** (generate:1259): DEBUG: 18:58:22.020: Generating output files..
** (generate:1259): DEBUG: 18:58:22.020: networkd: definition wlp58s0 is not for us (backend 2)
(generate:1259): GLib-DEBUG: 18:58:22.020: posix_spawn avoided (fd close requested)

DEBUG: no netplan generated networkd configuration exists
DEBUG: netplan generated NM configuration exists, restarting NM
DEBUG: wlp58s0 not found in {}
DEBUG:Merged config:
network:
  bonds: {}
  bridges: {}
  ethernets: {}
  vlans: {}
  wifis:
    wlp58s0:
      access-points:
        VCRoom065:
          password: xXXxxXX
      dhcp4: true
      optional: true


DEBUG: Skiping non-physical interface: lo
DEBUG: {}
DEBUG: netplan triggering .link rules for lo
DEBUG: netplan triggering .link rules for wlp58s0

If I go and check ip addr I'm connected to my previous AP . I have followed the instructions in here and got some advatanges Failed to start netplan-wpa-wlan0.sevice: Unit netplan-wpa-wlan0.service not found

If I

sudo systemctl start wpa_supplicant
sudo shutdown now
sudo netplan generate
sudo netplan apply

It does solve the problem for renderer: networkd but for renderer: NetworkManager it doesn't. I have tried disabling sudo systemctl stop systemd-networkd in order to sanitise the problem.

Any ideas?.

Thank you

freddie_ventura
  • 11
  • I suggest that you use netplan OR Ntework Manager, not both. Mix and match almost never works. – chili555 Apr 07 '21 at 20:41
  • Well 'netplan' should work on top of either 'networkd' or 'NetworkManager' if this is not troubleshootable then we have a bug, but the package is meant to do that function – freddie_ventura Apr 07 '21 at 23:32
  • When netplan works correctly with NM, its default is: "Let NetworkManager manage all devices on this system" That's exactly what I recommend that you do. – chili555 Apr 08 '21 at 00:02
  • Well I havent read that in the manual of 'netplan' or any documentation. I want to standarise my network managing workflow in Linux been able to do it with a text file. I cant do that with 'nmcli' although I also like it. This is a question to troubleshoot a software/config issue. I dont get the point of coming here saying A is not working, get the response of "then use B" I want to use A, lets see what is wrong with A or your config. – freddie_ventura Apr 08 '21 at 01:38
  • I didn't suggest that you use B. I suggested that you not try to simultaneously use A and B together. netplan is typically used in servers without a desktop environment. NM is typically used in desktop installations. My advice was to pick one or the other, not both. If you want to use netplan only, then I shall propose an answer. – chili555 Apr 08 '21 at 13:55

1 Answers1

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It sounds like you have previously set this interface up directly through NetworkManager, and therefore you have conflicting configuration under /etc/NetworkManager. Try removing that config and trying again.

slangasek
  • 5,562
  • Thanks , I have just seen that I had a config file in /etc/NetworkManager/system-connections/previousSSID.nmconnection . I have moved it to other location . Now netplan --debug generate netplan --debug apply , and the interface doesn't get no DHCP lease – freddie_ventura Apr 08 '21 at 10:57
  • What does iwconfig wlp58s0 show in this case? – slangasek Apr 08 '21 at 20:51