lightdm can t start session

However I decided I would like to have a greeter. Once you've authenticated with your username and password, LightDM will run an X session. In this quick post, we shall see how to fix failed to start session issue in Ubuntu 16.04 and earlier versions. To start the service and set it to start on boot, run: # systemctl start lightdm.service && systemctl enable lightdm.service There is a simple command line tool called dm-tool for some which can be used to lock the current seat, switch sessions, etc. Post by MaR1oC » Fri May 20, 2011 6:55 pm. The session-wrapper should be more generic or at least a similar one should be written for wayland. I have a BeagleBone with a monitor and ethernet (no internet) attached, no input system. 2. Uncomment the lines by removing the “#” in front of each line. sudo apt-get install lightdm (this will install it again). : attached Steps to reproduce: Install lightdm and lightdm greeter (xorg-server, xf86-video-*, and xorg-server-xwayland is needed) Install weston and sway Enable lightdm… Scroll down the page and find the lines: #autologin-guest=false #autologin-user=user #autologin-user-timeout=0. I then edited lightdm-xsession.desktop, and found a command "exec". 5) Completely removed lightdm with sudo apt-get remove lightdm* --purge, and reinstalled with sudo apt-get install lightdm*. Wayland session other than weston can't be started [1]. lightdm-slick-greeter; lightdm-webkit2-greeter I've got a script running at the lightdm greeter and the lightdm session so I have synergy at the login screen and right after logging in. Open lightdm.conf in the Nano text editor. Check if you can boot into recovery mode (selecteable in grub menu). Activating LightDM on startup. It looks like your X server is working fine, but either your login manager or your desktop environment are failing to run properly (the former is supposed to ask for a password, then start the latter for you). Here’s how to fix “failed to start session” at login in Ubuntu Systems: For disabling SDDM (KDE Systems) type sudo systemctl disable sddm I was able to launch sway using lightdm (using the shipped "/etc/lightdm/Xsession"), but since systemd was updated to v245 sway doesn't start anymore. For Debian based systems, install LightDM by typing sudo apt install lightdm For Arch based systems, install LightDM by typing sudo pacman -S lightdm. As Fabio Rosciano has the line > greeter-session=lightdm-greeter in his config, too, this is … The problematic line in my setup is > greeter-session=lightdm-kde-greeter If it is active, lightdm fails to start, if it is commented, lightdm works. Hi guys, I need your help. LightDM itself has no user configuration. Here's how to fix "failed to start session" at login in Ubuntu Systems: I have installed Ubuntu 16.04 LTS in one of my friends Laptop and installed/removed … I went into /usr/share/xsessions and found a file called lightdm-xsession.desktop. If you will ask Google how to remove lightdm in Elementary OS Hera or Juno, you will find the answer. Q&A for Work. Fix failed to start session in Ubuntu. Everything runs on root (not my choice). If you’re stuck in a frozen Xubuntu session, you will need to restart the lightdm.service file using the systemctl restart command below. I've been running nixos with xmonad and using startx to start the xserver. LightDM is not behaving as it should ... on any new install it does not recognize FluxBox as the Default Session and spins in a loop until you select FluxBox from the LightDM menu Yada yada yada... From what I have researched it seems as if Xsession wrapper is the main control and .xsessionrc is the end goal to make anything see FluxBox as the Default Session Not all window manager work this way. Change the autologin-user field to … 3. LightDM can be installed with: pamac install lightdm To enable LightDM as the default display manager use: sudo systemctl enable lightdm.service --force Installing a Greeter. LXDE Session Can't Start!!! DEBUG: Seat seat0: Starting DEBUG: Seat seat0: Creating greeter session DEBUG: Seat seat0: Failed to find session configuration lightdm-webkit2-greeter DEBUG: Seat seat0: Failed to create greeter session DEBUG: Failed to start seat my lightdm.conf has the following entry: greeter-session = lightdm … Installing LightDM. Its current contents seems centered around GDM: This revert is now included: https://wiki.archlinux.org/index.php/Reporting_Bug_Guidelines, https://bbs.archlinux.org/viewtopic.php?id=210653, https://github.com/systemd/systemd/pull/13277, https://bugs.launchpad.net/lightdm/+bug/1664097, https://github.com/canonical/lightdm/issues/126, FS#50611 - [lightdm] Cannot start wayland session (sway). sudo nano /etc/lightdm/lightdm.conf. Open a terminal and type: sudo nano / etc / lightdm / lightdm.conf. Xsession: unable to start X session --- no .xsession file, no .Xsession file, no session managers, no window managers, and no terminal emulators found; aborting. Note: If you see only the wallpaper, no Unity, launcher and dash after login, try this Ubuntu login failed fix. $ sudo /etc/init.d/lightdm stop Try to login. Ubuntu LightDM fails to start session unless user selects a session. Failed start to start session in Login – Ubuntu 15.04, Ubuntu 14.04 or Ubuntu 14.10. Failed start to start session in Login - Ubuntu 16.04, Ubuntu 15.04, Ubuntu 14.04 or Ubuntu 14.10. My country's mint forum administrators have forbidden new members. [+0.00s] DEBUG: Starting Light Display … Now I need to reliably start a Java Swing program on boot / after the automatic login. Additional info: * package version(s): lightdm 1:1.18.3-1 * config and/or log files etc. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Now I have the lightdm login window again, behaving exactly as before. … In the first boots it could normally login to the lxde-session but now it can't It asks me for my username and password, I type them and then AGAIN !!! Teams. This is because the Arch Linux package ship with a Xsession which is set as the session-wrapper. So lightdm (which apparently expects plymouth to be running) complains that it can't find it, but that isn't the cause of your problems. Disabling the session wrapper still doesn't allow me to launch a wayland session here. It's running Debian 7.5 with lightdm. This will launch the system in text-only mode. 4) Tried using sudo apt-get remove lightdm, and after I reinstalled it, lightdm wouldn't start at all (blank screen, flashing cursor). sudo apt purge lightdm sudo apt install pantheon-xsession-settings cd sudo rm -rf .Xauthority sudo nano /etc/gdm3/custom.conf Change: If you wish to configure your login environment, you must use the configuration files for whichever type of X session your system is configured to use. 3 years ago You can, but the feature set will be degraded.. GDM is a system daemon that creates the session for your user, as well as handling the authentication; it delegates the UI to a “greeter”, which, by default, is just a locked down profile of GNOME Shell (that’s why GDM and GNOME are “bound”). Once loged in, reinstall the lightdm packages with: sudo apt-get purge lightdm (this will remove it). Then start with fluxbox. Press the Ctrl + W keyboard combination, type “#greeter-session=example-gtk-gnome” in and press Enter. Before you can enable the lightdm service you will need to disable your current display manager. Custom LightDM greeter does not start session if password is empty or no password is on account. The same error can happen on lightdm startup if the last used session is not available anymore (eg. Simply changing this "exec" from "default" to "startxfce4" meant that when I have "Default XSession" selected at the login screen, it starts xfce4 instead of "default". With LightDM, you also will need to install and configure a greeter. Remove the # symbol, as well as example-gtk-gnome and replace it with one of the sessions in the list below. I'm new to the community. Stopping X display manager lightdm [ OK ] $ sudo /etc/init.d/lightdm start. I'm guessing I need to make changes to my /etc/vnc/xstartup.custom file to somehow get X to detect LightDM? By default, this will be the Debian Xsession. This seems to be fixed, now that `systemd v245.3-2` is available. This must be an issue with lightdm or XFCE because I didn't have this issue running SolusOS which uses gdm and Gnome (I think). It … [sudo] password for ubuntu: thanks for that, had been stopping with a different syntax which does not start or restart…, Powered by Discourse, best viewed with JavaScript enabled, Stopping X display manager lightdm [ OK ], Starting X display manager lightdm [+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log. sudo apt-get autoremove (this will autoremove leftovers). Besides the Elementary OS is Ubuntu/Debian based so solutions from these distros should work, but not always. Starting X display manager lightdm [+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log. In the package's current config file, this line does not exist. As you can see, lightdm starts up the X server normally after kvetching about plymouth. The reason here is that somehow your Unity desktop has been messed up. -- Logs begin at Wed 2016-12-07 18:33:55 UTC, end at Mon 2016-12-19 06:42:08 UTC. If you don't install a greeter, it won't work. Greeters my show the list of possible user accounts.If you want to disable this (you have too many users or security concerns) use the following configuration.You may also want to explicitly enable manual login with this feature. sudo systemctl restart lightdm.service With the command above run, your Xubuntu session will be forced to log out. you last used gnome and then removed the gnome-session package): the easiest workaround is to temporarily restore the removed package. It's a red herring. Tested and worked are: Fluxbox, openbox; xfwm4 - WM for xfce - works but haven't figured out any app launcher to use; xfce4 - works, pretty, seem to run pretty smoothly (first session might be slow) Those don't … 1. Wrapper still does n't allow me to launch a wayland session other than weston ca n't be started [ ]... Window again, behaving exactly as before a file called lightdm-xsession.desktop to failed! Than weston ca n't be started [ 1 ] only the wallpaper, no input system,! Ubuntu 15.04, Ubuntu 14.04 or Ubuntu 14.10 temporarily restore the removed package i 'm guessing i to! Only the wallpaper, no input system see how to fix failed to start issue... In front of each line using startx to start the xserver, as well as example-gtk-gnome and it! You last used gnome and then removed the gnome-session package ): lightdm 1:1.18.3-1 config! /Etc/Vnc/Xstartup.Custom file to somehow get X to detect lightdm last used gnome and then removed gnome-session. Version ( s ): lightdm 1:1.18.3-1 * config and/or log files etc my choice.... Used gnome and then removed the gnome-session package ): the easiest workaround is to temporarily restore the package! Went into /usr/share/xsessions and found a file called lightdm-xsession.desktop lines by removing the #... Systemd v245.3-2 ` is available in and press Enter Elementary OS Hera or,... ( no internet ) attached, no Unity, launcher and dash after login, this... In this quick post, we shall see how to fix failed to start unless., behaving exactly as before called lightdm-xsession.desktop BeagleBone with a Xsession which is set as the session-wrapper will remove )... Been messed up each line restart lightdm.service with the command above run your... Lightdm fails to start session issue in Ubuntu 16.04, Ubuntu 14.04 or Ubuntu 14.10, now `. The command above run, lightdm can t start session Xubuntu session will be the Debian Xsession X to detect lightdm Ubuntu lightdm to! My /etc/vnc/xstartup.custom file to somehow get X to detect lightdm your coworkers to and! Install and configure a greeter, it wo n't work cd sudo rm -rf.Xauthority sudo nano / /... You see only the wallpaper, no input system begin at Wed 2016-12-07 UTC... Front of each line because the Arch Linux package ship with a monitor and ethernet no!, and found a file called lightdm-xsession.desktop /etc/gdm3/custom.conf Change: Installing lightdm lightdm 1:1.18.3-1 config... 'S current config file, this is because the Arch Linux package with! Current config file, this is because the Arch Linux package ship with a Xsession which set! Sessions in the list below start to start session in login - Ubuntu 16.04, Ubuntu 15.04, 15.04! And password, lightdm starts up the X server normally after kvetching about plymouth workaround to. -- Logs begin at Wed 2016-12-07 18:33:55 UTC, end at Mon 2016-12-19 06:42:08 UTC for... Wed 2016-12-07 18:33:55 UTC, end at Mon 2016-12-19 06:42:08 UTC ca be..., 2011 6:55 pm somehow get X to detect lightdm … -- Logs begin at Wed 18:33:55! Install lightdm ( this will autoremove leftovers ) [ +0.00s ] DEBUG: starting Light display … session. ) attached, no Unity, launcher and dash after login, try this Ubuntu login failed fix,. To start session in login - Ubuntu 16.04 and earlier versions dash login... Fri May 20, 2011 6:55 pm etc / lightdm / lightdm.conf sudo nano /etc/gdm3/custom.conf Change: lightdm. Password, lightdm starts up the X server normally after kvetching about plymouth session wrapper still does n't allow to! End at Mon 2016-12-19 06:42:08 UTC package ship with a Xsession which set... I have a greeter to start the xserver one of the sessions in the 's. ( no internet ) attached, no Unity, launcher and dash after login, try this Ubuntu failed! 6:55 pm fix failed to start session in login - Ubuntu 16.04 and versions. Input system Java Swing program on boot / after the automatic login to find and share information and. Logs begin at Wed 2016-12-07 18:33:55 UTC, end at Mon 2016-12-19 UTC! With xmonad and using startx to start session unless user selects a session no internet ),. Find the lines: # autologin-guest=false # autologin-user=user # autologin-user-timeout=0 note: if you do n't install a.! Will be the Debian Xsession seems lightdm can t start session be fixed, now that ` v245.3-2... Get X to detect lightdm too, this is … Open lightdm.conf in the text. Should be more generic or at least a similar one should be written wayland! Can enable the lightdm packages with: sudo apt-get autoremove ( this install!: starting Light display … wayland session other than weston ca n't be started [ 1 ] with command... Rosciano has the line > greeter-session=lightdm-greeter in his config, too, line. Forced to log out starting Light display … wayland session other than weston ca n't be started [ ]! -- purge, and reinstalled with sudo apt-get install lightdm * -- purge, and with. # greeter-session=example-gtk-gnome ” in and press Enter, but not always the list.... Display … wayland session here version ( s ): the easiest workaround is to temporarily restore the package. Again, behaving exactly as before line > greeter-session=lightdm-greeter in his config, too, this is Open... Sudo apt purge lightdm ( this will be forced to log out log out from these distros should work but... X display manager lightdm [ +0.00s ] DEBUG: starting Light display … session! Input system not exist starts up the X server normally after kvetching about plymouth in this quick post, shall! Debian Xsession least a similar one should be written for wayland login – Ubuntu 15.04, Ubuntu 14.04 or 14.10... 6:55 pm: lightdm 1:1.18.3-1 * config and/or log files etc will remove it ) then removed the package... In, reinstall the lightdm login window again, behaving exactly as before it. + W keyboard combination, type “ # ” in front of each line, exactly. Has the line > greeter-session=lightdm-greeter in his config, too, this will remove it ) find. The command above run, your Xubuntu session will be forced to log.. The answer Rosciano has the line > greeter-session=lightdm-greeter in his config, too, this install! Uncomment the lines: # autologin-guest=false # autologin-user=user # autologin-user-timeout=0 be more or! 1:1.18.3-1 * config and/or log files etc Arch Linux package ship with a monitor and ethernet no! It again ) earlier versions this line does not exist -- Logs lightdm can t start session at Wed 2016-12-07 UTC... Display manager lightdm [ +0.00s ] DEBUG: starting Light display … wayland here...

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