apt-get install lxde and reboot can't find lxde menu item in lightdm .
apt-get install lxsession
elwin@elwin-virtual-machine:~$ ls /usr/share/xsessions/
openbox.desktop ubuntu.desktop
find no lxde related *.desktop file.
we find /usr/share/xsessions/LXDE.desktop on ubuntu 14.04 in lxsession package. but on ubuntu 16.04 apt-get isntall lxde does not install lxsession package.
we shoule apt-get install lxsession reboot system we can find lxde menu item on lightdm, and login lxde desktop envirionment.
after login lxde desktop environment ,can not logout by click on logout menu item. no error report , no any response.
after strace the lxpanel process ,we find the error messge :
"/usr/bin/lxde-logout: line 2: lxsession-logout: command not found\n"
there is no lxsession-logout program, we should apt-get install lxsession-logout
then we can logout lxde session.
NOTE: there are no lxsesion and lxsession-logout package .
elwin@elwin-virtual-machine:~$ sudo apt-get install lxde
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
gnome-software-common libgtkspell3-3-0
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
alsamixergui clipit esound-common galculator gksu gnome-icon-theme gnome-icon-theme-symbolic gnome-mplayer gnome-system-tools gpicview gtk2-engines i965-va-driver javascript-common leafpad
liba52-0.7.4 libaacs0 libappindicator1 libass5 libaudiofile1 libavcodec-ffmpeg56 libavformat-ffmpeg56 libavutil-ffmpeg54 libbdplus0 libbluray1 libbonobo2-0 libbonobo2-common libbonoboui2-0
libbonoboui2-common libbs2b0 libcrystalhd3 libdca0 libdirectfb-1.2-9 libdiscid0 libdrm-amdgpu1 libdrm-common libdrm2 libdvdnav4 libdvdread4 libenca0 libesd0 libfaad2 libfltk1.1 libfm-data
libfm-extra4 libfm-gtk-data libfm-gtk4 libfm-modules libfm4 libgda-5.0-4 libgda-5.0-common libgif7 libgksu2-0 libglade2-0 libgme0 libgmlib1 libgmtk1 libgmtk1-data libgnome-2-0 libgnome2-0
libgnome2-bin libgnome2-common libgnomecanvas2-0 libgnomecanvas2-common libgnomeui-0 libgnomeui-common libgnomevfs2-0 libgnomevfs2-common libgsm1 libid3tag0 libimlib2 libindicator7
libjpeg-progs libjpeg9 libjs-jquery libkeybinder0 libllvm5.0 libmad0 libmenu-cache-bin libmenu-cache3 libmodplug1 libmp3lame0 libmpeg2-4 libmpg123-0 libmusicbrainz3-6v5 libobrender32
libobt2 liboobs-1-5 libopenal-data libopenal1 libopenjpeg5 liborbit-2-0 libpostproc-ffmpeg53 libschroedinger-1.0-0 libsdl1.2debian libshine3 libsnappy1v5 libsoxr0 libssh-gcrypt-4
libswresample-ffmpeg1 libswscale-ffmpeg3 libtwolame0 libuser1 libva1 libvdpau1 libvorbisidec1 libvte-common libvte9 libwnck-common libwnck22 libx264-148 libx265-79 libxdo3
libxmmsclient-glib1 libxmmsclient6 libxvidcore4 libzvbi-common libzvbi0 lxappearance lxappearance-obconf lxde-core lxde-icon-theme lxinput lxmenu-data lxmusic lxpanel lxpanel-data lxpolkit
lxrandr lxsession-data lxsession-edit lxterminal menu menu-xdg mesa-va-drivers mesa-vdpau-drivers mplayer mplayer2 p7zip-full pcmanfm system-tools-backends usermode va-driver-all
vdpau-driver-all xarchiver xdotool xmms2-core xmms2-plugin-alsa xmms2-plugin-id3v2 xmms2-plugin-mad xmms2-plugin-vorbis xscreensaver xscreensaver-data
Suggested packages:
gecko-mediaplayer ntp gnome-control-center apache2 | lighttpd | httpd evince-gtk libbluray-bdj libbonobo2-bin firmware-crystalhd libdvdcss2 pulseaudio-esound-compat libfm-tools
nautilus-actions libgda-5.0-bin libgda-5.0-mysql libgda-5.0-postgres libgmlib1-dbg libgmtk1-dbg desktop-base libgnomevfs2-bin libgnomevfs2-extra gamin | fam gnome-mime-data gimp libreoffice
lxlauncher lxtask pidgin xfce4-power-manager lxsession xmms2-plugin-all menu-l10n mplayer-doc netselect | fping p7zip-rar libfglrx-amdxvba1 libvdpau-va-gl1 nvidia-vdpau-driver
nvidia-legacy-340xx-vdpau-driver arj lhasa rar rpm unar xfishtank xdaliclock xscreensaver-gl fortune qcam | streamer gdm3 | kdm-gdmcompat
Recommended packages:
perl5
The following NEW packages will be installed:
alsamixergui clipit esound-common galculator gksu gnome-icon-theme gnome-icon-theme-symbolic gnome-mplayer gnome-system-tools gpicview gtk2-engines i965-va-driver javascript-common leafpad
liba52-0.7.4 libaacs0 libappindicator1 libass5 libaudiofile1 libavcodec-ffmpeg56 libavformat-ffmpeg56 libavutil-ffmpeg54 libbdplus0 libbluray1 libbonobo2-0 libbonobo2-common libbonoboui2-0
libbonoboui2-common libbs2b0 libcrystalhd3 libdca0 libdirectfb-1.2-9 libdiscid0 libdrm-common libdvdnav4 libdvdread4 libenca0 libesd0 libfaad2 libfltk1.1 libfm-data libfm-extra4
libfm-gtk-data libfm-gtk4 libfm-modules libfm4 libgda-5.0-4 libgda-5.0-common libgif7 libgksu2-0 libglade2-0 libgme0 libgmlib1 libgmtk1 libgmtk1-data libgnome-2-0 libgnome2-0 libgnome2-bin
libgnome2-common libgnomecanvas2-0 libgnomecanvas2-common libgnomeui-0 libgnomeui-common libgnomevfs2-0 libgnomevfs2-common libgsm1 libid3tag0 libimlib2 libindicator7 libjpeg-progs libjpeg9
libjs-jquery libkeybinder0 libllvm5.0 libmad0 libmenu-cache-bin libmenu-cache3 libmodplug1 libmp3lame0 libmpeg2-4 libmpg123-0 libmusicbrainz3-6v5 libobrender32 libobt2 liboobs-1-5
libopenal-data libopenal1 libopenjpeg5 liborbit-2-0 libpostproc-ffmpeg53 libschroedinger-1.0-0 libsdl1.2debian libshine3 libsnappy1v5 libsoxr0 libssh-gcrypt-4 libswresample-ffmpeg1
libswscale-ffmpeg3 libtwolame0 libuser1 libva1 libvdpau1 libvorbisidec1 libvte-common libvte9 libwnck-common libwnck22 libx264-148 libx265-79 libxdo3 libxmmsclient-glib1 libxmmsclient6
libxvidcore4 libzvbi-common libzvbi0 lxappearance lxappearance-obconf lxde lxde-core lxde-icon-theme lxinput lxmenu-data lxmusic lxpanel lxpanel-data lxpolkit lxrandr lxsession-data
lxsession-edit lxterminal menu menu-xdg mesa-va-drivers mesa-vdpau-drivers mplayer mplayer2 p7zip-full pcmanfm system-tools-backends usermode va-driver-all vdpau-driver-all xarchiver
xdotool xmms2-core xmms2-plugin-alsa xmms2-plugin-id3v2 xmms2-plugin-mad xmms2-plugin-vorbis xscreensaver xscreensaver-data
The following packages will be upgraded:
libdrm-amdgpu1 libdrm2
2 upgraded, 151 newly installed, 0 to remove and 628 not upgraded.
Need to get 59.5 MB of archives.
After this operation, 232 MB of additional disk space will be used.
Do you want to continue? [Y/n]
there are lxsesion and lxsession-logout package .
elwin@elwin-virtual-machine:~$ sudo apt-get install lxde
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
consolekit galculator giblib1 gksu gpicview gtk2-engines leafpad
libencode-locale-perl libfile-listing-perl libfm-data libfm-extra4
libfm-gtk-data libfm-gtk4 libfm-modules libfm4 libfont-afm-perl libgif4
libgksu2-0 libglade2-0 libhtml-form-perl libhtml-format-perl
libhtml-parser-perl libhtml-tagset-perl libhtml-tree-perl
libhttp-cookies-perl libhttp-daemon-perl libhttp-date-perl
libhttp-message-perl libhttp-negotiate-perl libid3tag0 libimlib2
libio-html-perl libjpeg-progs libjpeg-turbo-progs liblwp-mediatypes-perl
liblwp-protocol-https-perl libmad0 libmenu-cache-bin libmenu-cache3
libnet-http-perl libobrender29 libobt2 libpam-ck-connector libvte-common
libvte9 libwww-perl libwww-robotrules-perl libxmmsclient-glib1
libxmmsclient6 lxappearance lxde-common lxde-core lxde-icon-theme lxinput
lxmenu-data lxmusic lxpanel lxrandr lxsession lxsession-data lxsession-edit
lxsession-logout lxshortcut lxterminal menu menu-xdg obconf openbox
p7zip-full pcmanfm scrot xarchiver xmms2-core xmms2-plugin-alsa
xmms2-plugin-id3v2 xmms2-plugin-mad xmms2-plugin-vorbis xscreensaver
xscreensaver-data
Suggested packages:
evince-gtk libfm-tools nautilus-actions libdata-dump-perl
libcrypt-ssleay-perl libauthen-ntlm-perl lxlauncher lxtask xmms2-plugin-all
menu-l10n fonts-dejavu libxml2-dev tint2 openbox-menu openbox-gnome-session
openbox-kde-session p7zip-rar arj lhasa rpm unar unrar-free xfishtank
xdaliclock xscreensaver-gl fortune qcam streamer gdm3 kdm-gdmcompat
Recommended packages:
amixer
The following NEW packages will be installed:
consolekit galculator giblib1 gksu gpicview gtk2-engines leafpad
libencode-locale-perl libfile-listing-perl libfm-data libfm-extra4
libfm-gtk-data libfm-gtk4 libfm-modules libfm4 libfont-afm-perl libgif4
libgksu2-0 libglade2-0 libhtml-form-perl libhtml-format-perl
libhtml-parser-perl libhtml-tagset-perl libhtml-tree-perl
libhttp-cookies-perl libhttp-daemon-perl libhttp-date-perl
libhttp-message-perl libhttp-negotiate-perl libid3tag0 libimlib2
libio-html-perl libjpeg-progs libjpeg-turbo-progs liblwp-mediatypes-perl
liblwp-protocol-https-perl libmad0 libmenu-cache-bin libmenu-cache3
libnet-http-perl libobrender29 libobt2 libpam-ck-connector libvte-common
libvte9 libwww-perl libwww-robotrules-perl libxmmsclient-glib1
libxmmsclient6 lxappearance lxde lxde-common lxde-core lxde-icon-theme
lxinput lxmenu-data lxmusic lxpanel lxrandr lxsession lxsession-data
lxsession-edit lxsession-logout lxshortcut lxterminal menu menu-xdg obconf
openbox p7zip-full pcmanfm scrot xarchiver xmms2-core xmms2-plugin-alsa
xmms2-plugin-id3v2 xmms2-plugin-mad xmms2-plugin-vorbis xscreensaver
xscreensaver-data
0 upgraded, 80 newly installed, 0 to remove and 357 not upgraded.
Need to get 13.3 MB of archives.
After this operation, 46.5 MB of additional disk space will be used.
Do you want to continue? [Y/n]