147 lines
4.5 KiB
Bash
147 lines
4.5 KiB
Bash
#!/usr/bin/env bash
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# Install motd scripts
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[[ -f functions ]] && . functions || exit 1
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is_root
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profiledir="/etc/profile.d/"
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[[ ! -d "$profiledir" ]] && mkdir -p "$profiledir"
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cat <<- 'EOF' > "$profiledir/motd.sh"
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#!/usr/bin/env bash
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EOF
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cat <<- 'EOF' >> "$profiledir/motd.sh"
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# get load averages
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IFS=" " read LOAD1 LOAD5 LOAD15 <<<$(cat /proc/loadavg | awk '{ print $1,$2,$3 }')
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# get free memory
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IFS=" " read USED AVAIL TOTAL <<<$(free -htm | grep "Mem" | awk {'print $3,$7,$2'})
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# get processes
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PROCESS=`ps -eo user=|sort|uniq -c | awk '{ print $2 " " $1 }'`
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PROCESS_ALL=`echo "$PROCESS"| awk {'print $2'} | awk '{ SUM += $1} END { print SUM }'`
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PROCESS_ROOT=`echo "$PROCESS"| grep root | awk {'print $2'}`
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PROCESS_USER=`echo "$PROCESS"| grep -v root | awk {'print $2'} | awk '{ SUM += $1} END { print SUM }'`
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# get processors
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PROCESSOR_NAME=`grep "model name" /proc/cpuinfo | cut -d ' ' -f3- | awk {'print $0'} | head -1`
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PROCESSOR_COUNT=`grep -ioP 'processor\t:' /proc/cpuinfo | wc -l`
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W="\e[0;39m"
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G="\e[1;32m"
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echo -e "
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${W}system info:
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$W Distro......: $W`cat /etc/*release | grep "PRETTY_NAME" | cut -d "=" -f 2- | sed 's/"//g'`
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$W Kernel......: $W`uname -sr`
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$W Uptime......: $W`uptime -p`
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$W Load........: $G$LOAD1$W (1m), $G$LOAD5$W (5m), $G$LOAD15$W (15m)
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$W Processes...:$W $G$PROCESS_ROOT$W (root), $G$PROCESS_USER$W (user), $G$PROCESS_ALL$W (total)
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$W CPU.........: $W$PROCESSOR_NAME ($G$PROCESSOR_COUNT$W vCPU)
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$W Memory......: $G$USED$W used, $G$AVAIL$W avail, $G$TOTAL$W total$W"
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EOF
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cat <<- 'EOF' >> "$profiledir/motd.sh"
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# config
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max_usage=90
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bar_width=50
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# colors
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white="\e[39m"
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green="\e[1;32m"
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red="\e[1;31m"
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dim="\e[2m"
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undim="\e[0m"
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# disk usage: ignore zfs, squashfs & tmpfs
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mapfile -t dfs < <(df -H -x zfs -x squashfs -x tmpfs -x devtmpfs -x overlay --output=target,pcent,size | tail -n+2)
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printf "\ndisk usage:\n"
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for line in "${dfs[@]}"; do
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# get disk usage
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usage=$(echo "$line" | awk '{print $2}' | sed 's/%//')
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used_width=$((($usage*$bar_width)/100))
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# color is green if usage < max_usage, else red
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if [ "${usage}" -ge "${max_usage}" ]; then
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color=$red
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else
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color=$green
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fi
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# print green/red bar until used_width
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bar="[${color}"
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for ((i=0; i<$used_width; i++)); do
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bar+="="
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done
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# print dimmmed bar until end
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bar+="${white}${dim}"
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for ((i=$used_width; i<$bar_width; i++)); do
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bar+="="
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done
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bar+="${undim}]"
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# print usage line & bar
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echo "${line}" | awk '{ printf("%-31s%+3s used out of %+4s\n", $1, $2, $3); }' | sed -e 's/^/ /'
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echo -e "${bar}" | sed -e 's/^/ /'
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done
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EOF
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cat <<- 'EOF' > "$profiledir/motd.sh"
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#!/usr/bin/env bash
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[[ -v NO_MOTD ]] && exit 0
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USER=$(whoami)
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HOSTNAME=$(uname -n)
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ARRAY=$(df -Ph | grep array | awk '{print $4}' | tr -d '\n')
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ROOT=$(df -Ph | grep sdb3 | awk '{print $4}' | tr -d '\n')
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BACKUP=$(df -Ph | grep backup | awk '{print $4}' | tr -d '\n')
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MEMUSED=$(free -t -m | grep "Mem:" | awk '{print $3" MB";}')
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MEMTOTAL=$(free -t -m | grep "Mem:" | awk '{print $2" MB";}')
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PSA=$(ps -Afl | wc -l)
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SWAPMEM=$(free -m | tail -n 1 | awk '{print $3}')
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#System uptime
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uptime=$(cut -f1 -d. /proc/uptime)
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upDays=$((uptime/60/60/24))
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upHours=$((uptime/60/60%24))
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upMins=$((uptime/60%60))
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upSecs=$((uptime%60))
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#System load
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LOAD1=$(awk {'print $1'} /proc/loadavg)
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LOAD5=$(awk {'print $2'} /proc/loadavg)
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LOAD15=$(awk {'print $3'} /proc/loadavg)
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echo -n '
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_ _ _ _ _
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| | | | | | | | | |
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| |__| | __ _ _ __| |_ _ __ ___ __ _ _ __ | | __ _| |__
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| __ |/ _` | `__| __| `_ ` _ \ / _` | `_ \ | | / _` | `_ \
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| | | | (_| | | | |_| | | | | | (_| | | | | | |___| (_| | |_) |
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|_| |_|\__,_|_| \__|_| |_| |_|\__,_|_| |_| |______\__,_|_.__/
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'
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echo "
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===========================================================================
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- Hostname............: $HOSTNAME
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- Release.............: $(cat /etc/redhat-release)
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- Users...............: Currently $(users | wc -w) user(s) logged on
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===========================================================================
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- Current user........: $USER
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- CPU usage...........: $LOAD1, $LOAD5, $LOAD15 (1, 5, 15 min)
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- Memory used.........: $MEMUSED / $MEMTOTAL
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- Processes...........: $PSA running
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- System uptime.......: $upDays days $upHours hours $upMins minutes $upSecs seconds
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- Disk space HOME|ROOT: $ROOT remaining
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- Disk space ARRAY....: $ARRAY remaining
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- Disk space BACKUP...: $BACKUP remaining
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===========================================================================
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"
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EOF
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exit $? |