Lentidão ao iniciar

[mvfo]

O sistema demora um minuto para dar boot. Segue abaixo o resultado de alguns comandos:

lsb_release -rd
Description:    KDE neon User Edition 5.15
Release:        18.04

uname -srvm
Linux 4.15.0-48-generic #51-Ubuntu SMP Wed Apr 3 08:28:49 UTC 2019 x86_64

systemd-analyze
Startup finished in 7.238s (kernel) + 53.763s (userspace) = 1min 1.001s
graphical.target reached after 53.750s in userspace


sudo systemd-analyze blame
         33.294s systemd-journal-flush.service
         30.646s dev-sda1.device
         27.364s keyboard-setup.service
         14.703s systemd-udevd.service
         10.032s systemd-tmpfiles-setup-dev.service
          9.601s snapd.service
          7.706s NetworkManager-wait-online.service
          7.541s networkd-dispatcher.service
          5.683s NetworkManager.service
          5.540s udisks2.service
          5.220s ModemManager.service
          5.063s accounts-daemon.service
          3.615s warsaw.service
          3.598s lvm2-monitor.service
          3.398s gpu-manager.service
          1.738s systemd-sysctl.service
          1.693s resolvconf.service
          1.635s avahi-daemon.service
          1.498s wpa_supplicant.service
          1.434s polkit.service
          1.412s systemd-modules-load.service
          1.294s grub-common.service
          1.140s dev-mqueue.mount
          1.128s systemd-remount-fs.service
          1.085s colord.service
          1.035s sys-kernel-debug.mount
          1.029s dev-hugepages.mount

Aguém poderia me ajudar a reduzir esse tempo ?