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linux:lxdm_login_theming_setup [2016/02/02 05:03] walter |
linux:lxdm_login_theming_setup [2021/05/02 21:36] |
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- | ====== LXDM Login Theming Setup ====== | ||
- | ====== Introduction ====== | ||
- | |||
- | The ArchLinux Workstations are themed with either the ACM Logo or LUG logo. They are set to alternate between workstations. | ||
- | |||
- | ====== Setup ====== | ||
- | |||
- | <WRAP center round info 60%> | ||
- | Setup the [[linux:acm_custom_repo|ACM custom repo]] on the workstation first | ||
- | </WRAP> | ||
- | |||
- | Install themes with this command and follow the post install instructions | ||
- | <code|bash> | ||
- | pacman -S acm-lug-lxdm-themes | ||
- | </code> | ||
- | |||
- | Unpack {{:acm-themes.tar.gz|this archive with the ACM and LUG themes}} into /usr/share/lxdm/themes | ||
- | |||
- | This is setup by three files: | ||
- | |||
- | * /etc/lxdm/LoginReady | ||
- | * /etc/lxdm/PreLogin | ||
- | * /etc/lxdm/SetLogo | ||
- | |||
- | ** LoginReady ** - This is exicuted as root when LXDM is ready to show the screen. | ||
- | |||
- | ** PreLogin ** - Executed by LXDM as root. | ||
- | |||
- | ** SetLogo ** - Contains the sed regex for the link and IP, the 'even' and 'odd' themes settings, and detects which theme to use. | ||
- | |||
- | ====== Scripts ====== | ||
- | Up to date as of **September 19, 2014**. | ||
- | ==== /etc/lxdm/LoginReady | (Executed as root) ==== | ||
- | <code bash> | ||
- | #!/bin/sh | ||
- | /etc/lxdm/SetLogo | ||
- | </code> | ||
- | ==== /etc/lxdm/PreLogin | (Executed as root) ==== | ||
- | <code bash> | ||
- | #!/bin/sh | ||
- | # | ||
- | # Note: this is a sample and will not be run as is. | ||
- | #!/bin/sh | ||
- | # | ||
- | # Note: this is a sample and will not be run as is. | ||
- | #loltask > /dev/null & | ||
- | #mount -B /opt/Steam /home/$USER/Steam | ||
- | #mount -B /opt/Steamlocal $HOME/.local/share/Steam | ||
- | #if [ "$?" -ne "0" ] | ||
- | #then | ||
- | # mkdir -p $HOME/.local/share/Stean | ||
- | # mount -B /opt/Steamlocal $HOME/.local/share/Steam | ||
- | #fi | ||
- | #chown -R $USER:users $HOME/.local/share/Steam | ||
- | #/bin/bash /etc/lxdm/SetLogo | ||
- | </code> | ||
- | |||
- | ==== /etc/lxdm/SetLogo | (Inherently run as root be previous script.) ==== | ||
- | <code bash> | ||
- | #!/bin/bash | ||
- | # Authors: Chase Lee (clee231), Walter Dworak (walter) | ||
- | # Date: September 15, 2014 | ||
- | # Version: 1.03 | ||
- | # Description: Determines and sets the login theming based on modulus 2 op on last segment of IPv4 address. | ||
- | # Dependencies: | ||
- | # - Awk (Awk >= 4.1.0) | ||
- | # - Bash (GNU Bash >= 4.2) (;-P) | ||
- | |||
- | # As of July 16, 2013, there resides 6 workstations in the ACM/LUG office. | ||
- | _EVEN_THEME="acm" | ||
- | _ODD_THEME="lug" | ||
- | _IP="$(ip addr | awk '/inet/ && /enp/{sub(/\/.*$/,"",$2); print $2}' | cut -d'.' -f4)" | ||
- | _REMAIN=$(expr $_IP % 2) | ||
- | if [ $_REMAIN -eq 0 ] | ||
- | then | ||
- | echo "This is an ACM Logo." | ||
- | sed -i -e 's/^theme=.*/theme='$_EVEN_THEME'/' /etc/lxdm/lxdm.conf | ||
- | else | ||
- | echo "This is an LUG Logo." | ||
- | sed -i -e 's/^theme=.*/theme='$_ODD_THEME'/' /etc/lxdm/lxdm.conf | ||
- | fi | ||
- | </code> |