Arch Linux

hojy

Member

Registered: 2014-12-27

Posts: 4

enable NetworkManager after login!

Hello
my system is very slow when bootingl
i enter this cod to bash: $ systemd-analyze blame
         39.033s man-db.service
         31.616s dhcpcd@ens5.service
          6.653s NetworkManager.service
          3.028s accounts-daemon.service
          2.971s systemd-journal-flush.service
can i enable these after login?not when booting!
thanks.

Head_on_a_Stick

Member

From: The Wirral

Registered: 2014-02-20

Posts: 8,796

Website

Re: enable NetworkManager after login!

Why would you want to do that?

Surely that would just make the process of obtaining a connection take even longer.

You can see for sure how long NetworkManager is taking by using:

systemd-analyze critical-chain

Also, should you have dhcpcd enabled?

I would have thought that would conflict with NetworkManager.

---

Jin, Jîyan, Azadî

Rob_H

Member

Registered: 2012-06-19

Posts: 72

Re: enable NetworkManager after login!

Right. Try disabling dhcpcd with:

systemctl disable dhcpcd@ens5.service

You don't need it if you're running NetworkManager, unlress for some reason you want different control mechanisms for different NICs.

See if that makes a difference during reboot.

hojy

Member

Registered: 2014-12-27

Posts: 4

Re: enable NetworkManager after login!

Thanks dear Head_on_a_Stick!
can you help me again?

$ systemd-analyze critical-chain
The time after the unit is active or started is printed after the "@" character.
The time the unit takes to start is printed after the "+" character.

graphical.target @15.620s
└─multi-user.target @15.619s
  └─NetworkManager.service @11.558s +4.058s
    └─basic.target @11.496s
      └─sockets.target @11.495s
        └─dbus.socket @11.494s
          └─sysinit.target @11.476s
            └─systemd-update-utmp.service @11.373s +99ms
              └─systemd-tmpfiles-setup.service @11.248s +94ms
                └─systemd-journal-flush.service @9.069s +2.174s
                  └─var.mount @8.921s +143ms
                    └─systemd-fsck@dev-sda3.service @7.646s +1.273s
                      └─dev-sda3.device @7.646s
and

$ systemd-analyze blame
          4.058s NetworkManager.service
          2.174s systemd-journal-flush.service
          1.624s systemd-logind.service
          1.589s systemd-vconsole-setup.service
          1.393s alsa-restore.service
          1.367s bluetooth.service
          1.344s accounts-daemon.service
          1.324s systemd-user-sessions.service
          1.273s systemd-fsck@dev-sda3.service
          1.178s polkit.service
          1.017s systemd-fsck@dev-sda1.service

Last edited by hojy (2014-12-27 21:05:43)

hojy

Member

Registered: 2014-12-27

Posts: 4

Re: enable NetworkManager after login!

Thank you Rob_H!
I do it and my system booting is not changed!

Last edited by hojy (2014-12-27 21:12:27)

Rob_H

Member

Registered: 2012-06-19

Posts: 72

Re: enable NetworkManager after login!

If you're using DHCP, 4 seconds is slow, but not unheard of. Try configuring a static IP and see if it gets faster.