fix: add banner on login

dotfiles/dot_shell/scripts/executable_debian-startup.sh.tmpl

@@ -0,0 +1,100 @@
+@@ -1,99 +0,0 @@
+{{- if eq .chezmoi.os "linux" -}}
+#!/usr/bin/env bash
+
+# A script that would run with terminal startup on debian machines
+# Displays resource usage, etc.
+#
+# apt install figlet lolcat
+# chmod +x deb-startup
+# mv dev-startup /etc/update-motd.d/50-sysinfo
+# truncate -s 0 /etc/motd && rm /etc/update-motd.d/10-uname
+
+### Hostname
+###########################################################
+if [ -x "$(command -v figlet)" ]; then
+    if [ -x "$(command -v lolcat)" ]; then
+        figlet "$(hostname)" | lolcat -f
+    else
+        figlet "$(hostname)"
+    fi
+else
+    echo "$(hostname)"
+fi
+
+### System info
+###########################################################
+IFS=" " read -r LOAD1 LOAD5 LOAD15 <<<"$(cat /proc/loadavg | awk '{ print $1,$2,$3 }')"
+# get free memory
+IFS=" " read -r USED AVAIL TOTAL <<<"$(free -htm | grep "Mem" | awk {'print $3,$7,$2'})"
+# get processes
+PROCESS=$(ps -eo user= | sort | uniq -c | awk '{ print $2 " " $1 }')
+PROCESS_ALL=$(echo "$PROCESS" | awk {'print $2'} | awk '{ SUM += $1} END { print SUM }')
+PROCESS_ROOT=$(echo "$PROCESS" | grep root | awk {'print $2'})
+PROCESS_USER=$(echo "$PROCESS" | grep -v root | awk {'print $2'} | awk '{ SUM += $1} END { print SUM }')
+# get processors
+PROCESSOR_NAME=$(grep "model name" /proc/cpuinfo | cut -d ' ' -f3- | awk {'print $0'} | head -1)
+PROCESSOR_COUNT=$(grep -ioP 'processor\t:' /proc/cpuinfo | wc -l)
+
+W="\e[0;39m"
+G="\e[1;32m"
+
+temp=""
+if [ -x "$(command -v landscape-sysinfo)" ]; then
+    temp=$(landscape-sysinfo --sysinfo-plugins Temperature | sed 's/ *$//g' | sed 's/Temperature: //g')
+fi
+
+echo -e "
+${W}system info:
+$W  Distro      : $W$(cat /etc/*release | grep "PRETTY_NAME" | cut -d "=" -f 2- | sed 's/"//g')
+$W  Kernel      : $W$(uname -sr)
+$W  Uptime      : $W$(uptime -p)
+$W  Load        : $G$LOAD1$W (1m), $G$LOAD5$W (5m), $G$LOAD15$W (15m)
+$W  Processes   :$W $G$PROCESS_ROOT$W (root), $G$PROCESS_USER$W (user), $G$PROCESS_ALL$W (total)
+$W  CPU         : $W$PROCESSOR_NAME ($G$PROCESSOR_COUNT$W vCPU)
+$W  Memory      : $G$USED$W used, $G$AVAIL$W avail, $G$TOTAL$W total$W"
+
+### Disk
+###########################################################
+
+# config
+max_usage=90
+bar_width=50
+# colors
+white="\e[39m"
+green="\e[1;32m"
+red="\e[1;31m"
+dim="\e[2m"
+undim="\e[0m"
+
+# disk usage: ignore zfs, squashfs & tmpfs
+mapfile -t dfs < <(df -H -x zfs -x squashfs -x tmpfs -x devtmpfs -x overlay --output=target,pcent,size | tail -n+2)
+printf "\ndisk usage:\n"
+
+for line in "${dfs[@]}"; do
+    # get disk usage
+    usage=$(echo "$line" | awk '{print $2}' | sed 's/%//')
+    used_width=$(((usage * bar_width) / 100))
+    # color is green if usage < max_usage, else red
+    if [ "${usage}" -ge "${max_usage}" ]; then
+        color=$red
+    else
+        color=$green
+    fi
+    # print green/red bar until used_width
+    bar="[${color}"
+    for ((i = 0; i < used_width; i++)); do
+        bar+="="
+    done
+    # print dimmmed bar until end
+    bar+="${white}${dim}"
+    for ((i = used_width; i < bar_width; i++)); do
+        bar+="="
+    done
+    bar+="${undim}]"
+    # print usage line & bar
+    echo "${line}" | awk '{ printf("%-31s%+3s used out of %+4s\n", $1, $2, $3); }' | sed -e 's/^/  /'
+    echo -e "${bar}" | sed -e 's/^/  /'
+done
+
+{{- end }}