linux:lxdm_login_theming_setup
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linux:lxdm_login_theming_setup [2014/09/15 21:40] walter [/etc/lxdm/PreLogin | (Executed as root)] |
linux:lxdm_login_theming_setup [2017/09/03 21:17] wtoher [/etc/lxdm/LoginReady | (Executed as root)] |
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| + | ====== LXDM Login Theming Setup ====== | ||
| + | |||
| ====== Introduction ====== | ====== Introduction ====== | ||
| The ArchLinux Workstations are themed with either the ACM Logo or LUG logo. They are set to alternate between workstations. | The ArchLinux Workstations are themed with either the ACM Logo or LUG logo. They are set to alternate between workstations. | ||
| - | I(clee231)(Chase Lee) have written a script to determine and switch the logos based on hostname. | + | ====== Setup ====== |
| - | Currently, the script is setup to run once before logging in the user as root. This means that there needs to be at least one login for the script to run. | + | <WRAP center round info 60%> |
| + | Setup the [[linux:acm_custom_repo|ACM custom repo]] on the workstation first | ||
| + | </WRAP> | ||
| - | ====== Setup ====== | + | 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 two files: | + | This is setup by three files: |
| + | * /etc/lxdm/LoginReady | ||
| * /etc/lxdm/PreLogin | * /etc/lxdm/PreLogin | ||
| * /etc/lxdm/SetLogo | * /etc/lxdm/SetLogo | ||
| - | ** PreLogin ** - This calls the SetLogo script. Executed by LXDM as root. | + | ** LoginReady ** - This is exicuted as root when LXDM is ready to show the screen. |
| - | ** SetLogo ** - Contains a set of all six workstation hostnames, and detects which theme to use. | + | ** 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 ====== | ====== Scripts ====== | ||
| - | Up to date as of **August 23, 2013**. | + | Up to date as of **September 19, 2014**. |
| + | ==== /etc/lxdm/LoginReady | (Executed as root) ==== | ||
| + | <code bash> | ||
| + | #!/bin/sh | ||
| + | /etc/lxdm/SetLogo | ||
| + | #/usr/bin/xsetroot -solid black | ||
| + | /usr/bin/mount 172.29.0.6:/acm-home /home | ||
| + | /usr/bin/mount 172.29.0.7:/pkgs-64 /var/cache/pacman/pkg | ||
| + | /usr/bin/localectl set-keymap us | ||
| + | </code> | ||
| ==== /etc/lxdm/PreLogin | (Executed as root) ==== | ==== /etc/lxdm/PreLogin | (Executed as root) ==== | ||
| <code bash> | <code bash> | ||
| Line 43: | Line 64: | ||
| <code bash> | <code bash> | ||
| #!/bin/bash | #!/bin/bash | ||
| - | # Author: Chase Lee (clee231) | + | # Authors: Chase Lee (clee231), Walter Dworak (walter) |
| - | # Date: August 23, 2013 | + | # Date: September 15, 2014 |
| - | # Version: 1.02 | + | # Version: 1.03 |
| - | # Description: Determines and sets the login theming based on hostname. | + | # Description: Determines and sets the login theming based on modulus 2 op on last segment of IPv4 address. |
| # Dependencies: | # Dependencies: | ||
| - | # - Hostname (GNU inetutils >= 1.9.1) | + | # - Awk (Awk >= 4.1.0) |
| - | # - Sed (sed >= 4.2.2) | + | # - Bash (GNU Bash >= 4.2) (;-P) |
| - | # - Bash (GNU Bash >= 4.2) (;-P) | + | |
| - | CURRENT_HOSTNAME=`hostname` | + | # As of July 16, 2013, there resides 6 workstations in the ACM/LUG office. |
| - | # As of August 23, 2013, there resides 6 workstations in the ACM/LUG office. | + | _EVEN_THEME="acm" |
| - | ACM_HOSTNAMES=( defiant.acm.cs miranda.acm.cs sovereign.acm.cs ) | + | _ODD_THEME="lug" |
| - | LUG_HOSTNAMES=( constitution.acm.cs galaxy.acm.cs intrepid.acm.cs ) | + | _IP="$(ip addr | awk '/inet/ && /enp/{sub(/\/.*$/,"",$2); print $2}' | cut -d'.' -f4)" |
| - | + | _REMAIN=$(expr $_IP % 2) | |
| - | function contains() { | + | if [ $_REMAIN -eq 0 ] |
| - | local n=$# | + | |
| - | local value=${!n} | + | |
| - | for ((i=1;i < $#;i++)) { | + | |
| - | if [ "${!i}" == "${value}" ]; then | + | |
| - | echo "y" | + | |
| - | return 0 | + | |
| - | fi | + | |
| - | } | + | |
| - | echo "n" | + | |
| - | return 1 | + | |
| - | } | + | |
| - | + | ||
| - | if [ $(contains "${ACM_HOSTNAMES[@]}" "${CURRENT_HOSTNAME}") == "y" ] | + | |
| - | then | + | |
| - | # echo "This is an ACM Logo." | + | |
| - | sed -i -e 's/^theme=.*/theme=acm/' /etc/lxdm/lxdm.conf | + | |
| - | elif [ $(contains "${LUG_HOSTNAMES[@]}" "${CURRENT_HOSTNAME}") == "y" ] | + | |
| then | then | ||
| - | # echo "This is an LUG Logo." | + | echo "This is an ACM Logo." |
| - | sed -i -e 's/^theme=.*/theme=lug/' /etc/lxdm/lxdm.conf | + | sed -i -e 's/^theme=.*/theme='$_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 | fi | ||
| </code> | </code> | ||
linux/lxdm_login_theming_setup.txt · Last modified: 2021/05/02 21:36 (external edit)
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