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@@ -13,8 +13,17 @@ profiledir="/etc/profile.d/"
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cat <<- 'EOF' > "$profiledir/motd.sh"
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#!/usr/bin/env bash
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echo -n '
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_ _ _ _ _
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| | | | | | | | | |
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| |__| | __ _ _ __| |_ _ __ ___ __ _ _ __ | | __ _| |__
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| __ |/ _` | `__| __| `_ ` _ \ / _` | `_ \ | | / _` | `_ \
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| | | | (_| | | | |_| | | | | | (_| | | | | | |___| (_| | |_) |
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|_| |_|\__,_|_| \__|_| |_| |_|\__,_|_| |_| |______\__,_|_.__/
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'
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EOF
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# CPU info
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cat <<- 'EOF' >> "$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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@@ -41,10 +50,9 @@ $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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# Disk usage
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cat <<- 'EOF' >> "$profiledir/motd.sh"
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# config
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max_usage=90
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@@ -87,61 +95,187 @@ for line in "${dfs[@]}"; do
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done
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EOF
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cat <<- 'EOF' > "$profiledir/motd.sh"
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#!/usr/bin/env bash
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# Disk health
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cat <<- 'EOF' >> "$profiledir/motd.sh"
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# config
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MAX_TEMP=40
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# set column width
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COLUMNS=2
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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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[[ -v NO_MOTD ]] && exit 0
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# disks to check
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disks=(sda sdb sdc sdd sde sdf sdg sdi)
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disknames=(sda sdb sdc sdd sde sdf sdg sdi)
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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 $4}' | tr -d '\n')
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# hddtemp
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hddtemp_host=localhost
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hddtemp_port=7634
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MEMUSED=$(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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# logfiles to check
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logfiles='/var/log/syslog /var/log/syslog.1'
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SWAPMEM=$(free -m | tail -n 1 | awk '{print $3}')
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# get all lines with smartd entries from syslog
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lines=$(tac $logfiles | grep -hiP 'smartd\[[[:digit:]]+\]:' | grep -iP "previous self-test")
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# use nc to query temps from hddtemp daemon
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hddtemp=$(timeout 0.01 nc $hddtemp_host $hddtemp_port | sed 's/|//m' | sed 's/||/ \n/g')
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#System uptime
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uptime=$(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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out=""
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for i in "${!disks[@]}"; do
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disk=${disks[$i]}
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# use disknames if given
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diskname=${disknames[$i]}
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if [ -z "${diskname}" ]; then
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diskname=$disk
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fi
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uuid=$(blkid -s UUID -o value "/dev/${disk}")
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status=$( (grep "${uuid}" <<< "${lines}") | grep -m 1 -oP "previous self-test.*" | awk '{ print $4 " " $5 }')
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temp=$( (grep "${disk}" <<< "${hddtemp}") | awk -F'|' '{ print $3 }')
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#System load
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LOAD1=$(awk {'print $1'} /proc/loadavg)
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LOAD5=$(awk {'print $2'} /proc/loadavg)
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LOAD15=$(awk {'print $3'} /proc/loadavg)
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# color green if temp <= MAX_TEMP, else red
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if [[ "${temp}" -gt "${MAX_TEMP}" ]]; then
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color=$red
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else
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color=$green
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fi
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# add "C" if temp is numeric
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if [[ "$temp" =~ ^[0-9]+$ ]]; then
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temp="${temp}C"
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fi
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# color green if status is "without error", else red
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if [[ "${status}" == "without error" ]]; then
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status_color=$green
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else
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status_color=$red
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fi
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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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# print temp & smartd error
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out+="${diskname}:,${color}${temp}${undim} | ${status_color}${status}${undim},"
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# insert \n every $COLUMNS column
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if [ $((($i+1) % $COLUMNS)) -eq 0 ]; then
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out+="\n"
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fi
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done
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out+="\n"
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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...: $BACKUP remaining
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===========================================================================
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"
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printf "\ndisk status:\n"
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printf "$out" | column -ts $',' | sed -e 's/^/ /'
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EOF
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# Services
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cat <<- 'EOF' >> "$profiledir/motd.sh"
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# set column width
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COLUMNS=3
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# colors
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green="\e[1;32m"
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red="\e[1;31m"
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undim="\e[0m"
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services=("fail2ban" "ufw" "lxd" "netdata" "zed" "smartd" "postfix")
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# sort services
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IFS=$'\n' services=($(sort <<<"${services[*]}"))
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unset IFS
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service_status=()
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# get status of all services
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for service in "${services[@]}"; do
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service_status+=($(systemctl is-active "$service"))
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done
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out=""
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for i in ${!services[@]}; do
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# color green if service is active, else red
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if [[ "${service_status[$i]}" == "active" ]]; then
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out+="${services[$i]}:,${green}${service_status[$i]}${undim},"
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else
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out+="${services[$i]}:,${red}${service_status[$i]}${undim},"
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fi
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# insert \n every $COLUMNS column
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if [ $((($i+1) % $COLUMNS)) -eq 0 ]; then
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out+="\n"
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fi
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done
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out+="\n"
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printf "\nservices:\n"
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printf "$out" | column -ts $',' | sed -e 's/^/ /'
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EOF
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# Fail2Ban
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cat <<- 'EOF' >> "$profiledir/motd.sh"
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# fail2ban-client status to get all jails, takes about ~70ms
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jails=($(fail2ban-client status | grep "Jail list:" | sed "s/ //g" | awk '{split($2,a,",");for(i in a) print a[i]}'))
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out="jail,failed,total,banned,total\n"
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for jail in ${jails[@]}; do
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# slow because fail2ban-client has to be called for every jail (~70ms per jail)
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status=$(fail2ban-client status ${jail})
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failed=$(echo "$status" | grep -ioP '(?<=Currently failed:\t)[[:digit:]]+')
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totalfailed=$(echo "$status" | grep -ioP '(?<=Total failed:\t)[[:digit:]]+')
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banned=$(echo "$status" | grep -ioP '(?<=Currently banned:\t)[[:digit:]]+')
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totalbanned=$(echo "$status" | grep -ioP '(?<=Total banned:\t)[[:digit:]]+')
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out+="$jail,$failed,$totalfailed,$banned,$totalbanned\n"
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done
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printf "\nfail2ban status:\n"
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printf $out | column -ts $',' | sed -e 's/^/ /'
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EOF
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# cat <<- 'EOF' > "$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 "
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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 $?
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