Squashed initial commit
This commit is contained in:
355
.old/script-install-motd
Executable file
355
.old/script-install-motd
Executable file
@@ -0,0 +1,355 @@
|
||||
#!/usr/bin/env bash
|
||||
# Install motd scripts
|
||||
# Bryan C. Roessler
|
||||
|
||||
parent="${BASH_SOURCE[0]}"
|
||||
parent=${parent%/*}
|
||||
|
||||
[[ -f "$parent"/script-functions ]] && . "$parent"/script-functions || exit 1
|
||||
|
||||
is_root
|
||||
|
||||
DEBUG=0
|
||||
[[ "$#" -gt 0 ]] && echo "Debug on" && DEBUG=1
|
||||
|
||||
installdir="/usr/local/bin"
|
||||
|
||||
[[ -d "$installdir" ]] || mkdir -p "$installdir"
|
||||
|
||||
if (( DEBUG )); then
|
||||
script="generate-motd.sh"
|
||||
else
|
||||
script="$installdir/generate-motd.sh"
|
||||
fi
|
||||
|
||||
cat <<- 'EOF' > "$script"
|
||||
#!/usr/bin/env bash
|
||||
|
||||
echo -n '
|
||||
_ _ _ _ _
|
||||
| | | | | | | | | |
|
||||
| |__| | __ _ _ __| |_ _ __ ___ __ _ _ __ | | __ _| |__
|
||||
| __ |/ _` | `__| __| `_ ` _ \ / _` | `_ \ | | / _` | `_ \
|
||||
| | | | (_| | | | |_| | | | | | (_| | | | | | |___| (_| | |_) |
|
||||
|_| |_|\__,_|_| \__|_| |_| |_|\__,_|_| |_| |______\__,_|_.__/
|
||||
'
|
||||
EOF
|
||||
|
||||
# System info
|
||||
cat <<- 'EOF' >> "$script"
|
||||
# get load averages
|
||||
IFS=" " read LOAD1 LOAD5 LOAD15 <<<$(cat /proc/loadavg | awk '{ print $1,$2,$3 }')
|
||||
# get free memory
|
||||
IFS=" " read USED AVAIL TOTAL <<<$(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"
|
||||
|
||||
echo -e "
|
||||
$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"
|
||||
EOF
|
||||
|
||||
# Disk usage
|
||||
cat <<- 'EOF' >> "$script"
|
||||
# config
|
||||
max_usage=90
|
||||
bar_width=50
|
||||
# colors
|
||||
white="\e[39m"
|
||||
green="\e[1;32m"
|
||||
red="\e[1;31m"
|
||||
dim="\e[2m"
|
||||
undim="\e[0m"
|
||||
|
||||
# disk usage: ignore zfs, squashfs & tmpfs
|
||||
while IFS= read -r line; do dfs+=("$line"); done < <(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
|
||||
EOF
|
||||
|
||||
# # Disk health
|
||||
# cat <<- 'EOF' >> "$script"
|
||||
# # config
|
||||
# MAX_TEMP=40
|
||||
# # set column width
|
||||
# COLUMNS=2
|
||||
# # colors
|
||||
# white="\e[39m"
|
||||
# green="\e[1;32m"
|
||||
# red="\e[1;31m"
|
||||
# dim="\e[2m"
|
||||
# undim="\e[0m"
|
||||
|
||||
# # disks to check
|
||||
# disks=(sda sdb sdc sdd sde sdf sdg sdi)
|
||||
# disknames=(sda sdb sdc sdd sde sdf sdg sdi)
|
||||
|
||||
# # hddtemp
|
||||
# hddtemp_host=localhost
|
||||
# hddtemp_port=7634
|
||||
|
||||
# # logfiles to check
|
||||
# logfiles='/var/log/syslog /var/log/syslog.1'
|
||||
|
||||
# # get all lines with smartd entries from syslog
|
||||
# lines=$(tac $logfiles | grep -hiP 'smartd\[[[:digit:]]+\]:' | grep -iP "previous self-test")
|
||||
# # use nc to query temps from hddtemp daemon
|
||||
# hddtemp=$(timeout 0.01 nc $hddtemp_host $hddtemp_port | sed 's/|//m' | sed 's/||/ \n/g')
|
||||
|
||||
# out=""
|
||||
# for i in "${!disks[@]}"; do
|
||||
# disk=${disks[$i]}
|
||||
# # use disknames if given
|
||||
# diskname=${disknames[$i]}
|
||||
# if [ -z "${diskname}" ]; then
|
||||
# diskname=$disk
|
||||
# fi
|
||||
# uuid=$(blkid -s UUID -o value "/dev/${disk}")
|
||||
# status=$( (grep "${uuid}" <<< "${lines}") | grep -m 1 -oP "previous self-test.*" | awk '{ print $4 " " $5 }')
|
||||
# temp=$( (grep "${disk}" <<< "${hddtemp}") | awk -F'|' '{ print $3 }')
|
||||
|
||||
# # color green if temp <= MAX_TEMP, else red
|
||||
# if [[ "${temp}" -gt "${MAX_TEMP}" ]]; then
|
||||
# color=$red
|
||||
# else
|
||||
# color=$green
|
||||
# fi
|
||||
# # add "C" if temp is numeric
|
||||
# if [[ "$temp" =~ ^[0-9]+$ ]]; then
|
||||
# temp="${temp}C"
|
||||
# fi
|
||||
# # color green if status is "without error", else red
|
||||
# if [[ "${status}" == "without error" ]]; then
|
||||
# status_color=$green
|
||||
# else
|
||||
# status_color=$red
|
||||
# fi
|
||||
|
||||
# # print temp & smartd error
|
||||
# out+="${diskname}:,${color}${temp}${undim} | ${status_color}${status}${undim},"
|
||||
# # insert \n every $COLUMNS column
|
||||
# if [ $((($i+1) % $COLUMNS)) -eq 0 ]; then
|
||||
# out+="\n"
|
||||
# fi
|
||||
# done
|
||||
# out+="\n"
|
||||
|
||||
# printf "\ndisk status:\n"
|
||||
# printf "$out" | column -ts $',' | sed -e 's/^/ /'
|
||||
# EOF
|
||||
|
||||
|
||||
# Services
|
||||
cat <<- 'EOF' >> "$script"
|
||||
# set column width
|
||||
COLUMNS=2
|
||||
# colors
|
||||
green="\e[1;32m"
|
||||
red="\e[1;31m"
|
||||
undim="\e[0m"
|
||||
|
||||
services=("fail2ban" "firewalld" "nmb" "motion" "btrfs-balance.timer" "btrfs-scrub.timer" "smb" "backup.timer" "btrbk.timer" "fstrim.timer" "dnf-automatic.timer" "smartd" "cockpit.socket" "generate-motd.timer")
|
||||
# sort services
|
||||
IFS=$'\n' services=($(sort <<<"${services[*]}"))
|
||||
unset IFS
|
||||
|
||||
service_status=()
|
||||
# get status of all services
|
||||
for service in "${services[@]}"; do
|
||||
service_status+=($(systemctl is-active "$service"))
|
||||
done
|
||||
|
||||
out=""
|
||||
for i in ${!services[@]}; do
|
||||
# color green if service is active, else red
|
||||
if [[ "${service_status[$i]}" == "active" ]]; then
|
||||
out+="${services[$i]}:,${green}${service_status[$i]}${undim},"
|
||||
else
|
||||
out+="${services[$i]}:,${red}${service_status[$i]}${undim},"
|
||||
fi
|
||||
# insert \n every $COLUMNS column
|
||||
if [ $((($i+1) % $COLUMNS)) -eq 0 ]; then
|
||||
out+="\n"
|
||||
fi
|
||||
done
|
||||
out+="\n"
|
||||
|
||||
printf "\nServices\n"
|
||||
printf "$out" | column -ts $',' | sed -e 's/^/ /'
|
||||
EOF
|
||||
|
||||
|
||||
# Fail2Ban
|
||||
cat <<- 'EOF' >> "$script"
|
||||
# fail2ban-client status to get all jails, takes about ~70ms
|
||||
jails=($(fail2ban-client status | grep "Jail list:" | sed "s/ //g" | awk '{split($2,a,",");for(i in a) print a[i]}'))
|
||||
|
||||
out="jail,failed,total,banned,total\n"
|
||||
|
||||
for jail in ${jails[@]}; do
|
||||
# slow because fail2ban-client has to be called for every jail (~70ms per jail)
|
||||
status=$(fail2ban-client status ${jail})
|
||||
failed=$(echo "$status" | grep -ioP '(?<=Currently failed:\t)[[:digit:]]+')
|
||||
totalfailed=$(echo "$status" | grep -ioP '(?<=Total failed:\t)[[:digit:]]+')
|
||||
banned=$(echo "$status" | grep -ioP '(?<=Currently banned:\t)[[:digit:]]+')
|
||||
totalbanned=$(echo "$status" | grep -ioP '(?<=Total banned:\t)[[:digit:]]+')
|
||||
out+="$jail,$failed,$totalfailed,$banned,$totalbanned\n"
|
||||
done
|
||||
|
||||
printf "\nfail2ban status\n"
|
||||
printf $out | column -ts $',' | sed -e 's/^/ /'
|
||||
EOF
|
||||
|
||||
# Help links
|
||||
cat <<- 'EOF' >> "$script"
|
||||
echo "\
|
||||
|
||||
Links (ctrl+click to follow)
|
||||
Server Manual.........: https://tinyurl.com/jjz9h6fr
|
||||
Cockpit (for admins)..: http://localhost:9090
|
||||
Robot Camera..........: http://localhost:9999
|
||||
JupyterLab............: http://localhost:8888
|
||||
RStudio Server........: http://localhost:8787
|
||||
Robot Computer........: vnc://192.168.16.101:5900
|
||||
Windows 10 VM.........: vnc://localhost:5900 (pw: hartman)
|
||||
"
|
||||
EOF
|
||||
|
||||
# Scheduled reboot
|
||||
cat <<- "EOF" >> "$script"
|
||||
if systemctl is-active scheduled-reboot.timer &>/dev/null; then
|
||||
echo -n "Next scheduled reboot: "
|
||||
time=$(systemctl cat scheduled-reboot.timer | grep OnCalendar=)
|
||||
time=${time#*=}
|
||||
echo "$time"
|
||||
fi
|
||||
EOF
|
||||
|
||||
# cat <<- 'EOF' > "$script"
|
||||
# #!/usr/bin/env bash
|
||||
|
||||
# [[ -v NO_MOTD ]] && exit 0
|
||||
|
||||
# USER=$(whoami)
|
||||
# HOSTNAME=$(uname -n)
|
||||
# ARRAY=$(df -Ph | grep array | awk '{print $4}' | tr -d '\n')
|
||||
# ROOT=$(df -Ph | grep sdb3 | awk '{print $4}' | tr -d '\n')
|
||||
# BACKUP=$(df -Ph | grep backup | awk '{print $4}' | tr -d '\n')
|
||||
|
||||
# MEMUSED=$(free -t -m | grep "Mem:" | awk '{print $3" MB";}')
|
||||
# MEMTOTAL=$(free -t -m | grep "Mem:" | awk '{print $2" MB";}')
|
||||
# PSA=$(ps -Afl | wc -l)
|
||||
|
||||
# SWAPMEM=$(free -m | tail -n 1 | awk '{print $3}')
|
||||
|
||||
# #System uptime
|
||||
# uptime=$(cut -f1 -d. /proc/uptime)
|
||||
# upDays=$((uptime/60/60/24))
|
||||
# upHours=$((uptime/60/60%24))
|
||||
# upMins=$((uptime/60%60))
|
||||
# upSecs=$((uptime%60))
|
||||
|
||||
# #System load
|
||||
# LOAD1=$(awk {'print $1'} /proc/loadavg)
|
||||
# LOAD5=$(awk {'print $2'} /proc/loadavg)
|
||||
# LOAD15=$(awk {'print $3'} /proc/loadavg)
|
||||
|
||||
|
||||
|
||||
# echo "
|
||||
# ===========================================================================
|
||||
# - Hostname............: $HOSTNAME
|
||||
# - Release.............: $(cat /etc/redhat-release)
|
||||
# - Users...............: Currently $(users | wc -w) user(s) logged on
|
||||
# ===========================================================================
|
||||
# - Current user........: $USER
|
||||
# - CPU usage...........: $LOAD1, $LOAD5, $LOAD15 (1, 5, 15 min)
|
||||
# - Memory used.........: $MEMUSED / $MEMTOTAL
|
||||
# - Processes...........: $PSA running
|
||||
# - System uptime.......: $upDays days $upHours hours $upMins minutes $upSecs seconds
|
||||
# - Disk space HOME|ROOT: $ROOT remaining
|
||||
# - Disk space ARRAY....: $ARRAY remaining
|
||||
# - Disk space BACKUP...: $BACKUP remaining
|
||||
# ===========================================================================
|
||||
# "
|
||||
# EOF
|
||||
|
||||
generate-services() {
|
||||
service="/usr/lib/systemd/system/generate-motd.service"
|
||||
timer="/usr/lib/systemd/system/generate-motd.timer"
|
||||
cat <<-EOF > "$service"
|
||||
[Unit]
|
||||
Description=Generate MoTD
|
||||
|
||||
[Service]
|
||||
Type=simple
|
||||
ExecStart=/usr/bin/bash -c '$script > /etc/motd'
|
||||
|
||||
[Install]
|
||||
WantedBy=default.target
|
||||
EOF
|
||||
cat <<-'EOF' > "$timer"
|
||||
[Unit]
|
||||
Description=Generate MoTD every minute on a timer
|
||||
|
||||
[Timer]
|
||||
OnCalendar=*:0/1
|
||||
OnBootSec=10s
|
||||
|
||||
[Install]
|
||||
WantedBy=timers.target
|
||||
EOF
|
||||
}
|
||||
|
||||
chmod +x "$script"
|
||||
|
||||
if (( DEBUG )); then
|
||||
bash generate-motd.sh
|
||||
cat -n generate-motd.sh
|
||||
rm generate-motd.sh
|
||||
else
|
||||
generate-services && \
|
||||
systemctl daemon-reload && \
|
||||
systemctl enable --now generate-motd.timer
|
||||
fi
|
||||
|
||||
exit $?
|
||||
27
.old/script-install-motd.bk
Executable file
27
.old/script-install-motd.bk
Executable file
@@ -0,0 +1,27 @@
|
||||
#!/usr/bin/env bash
|
||||
# Install motd scripts
|
||||
|
||||
[[ -f functions ]] && . functions || exit 1
|
||||
|
||||
is_root
|
||||
|
||||
scripts=("10-hostname-color" "20-sysinfo" "35-diskspace" "36-diskstatus" "40-services" "50-fail2ban")
|
||||
|
||||
git clone "https://github.com/yboetz/motd.git"
|
||||
|
||||
systemdir="/etc/update-mot.d"
|
||||
|
||||
[[ ! -d "$systemdir" ]] && mkdir -p "$systemdir"
|
||||
|
||||
cd motd || exit $?
|
||||
|
||||
for script in "${scripts[@]}"; do
|
||||
echo "$script"
|
||||
cp "$script" "$systemdir"
|
||||
done
|
||||
|
||||
cd ..
|
||||
|
||||
rm -rf motd
|
||||
|
||||
exit 0
|
||||
10
.old/set-subuid-subgid
Executable file
10
.old/set-subuid-subgid
Executable file
@@ -0,0 +1,10 @@
|
||||
#!/usr/bin/env bash
|
||||
users=$(for s in /home/*; do echo "${s##*/}"; done)
|
||||
subuid_start=100000
|
||||
incr=65536
|
||||
for user in ${users[@]}; do
|
||||
uid=$(id -u "$user")
|
||||
echo "$user:$subuid_start:$incr" >> /etc/subuid
|
||||
echo "$user:$subuid_start:$incr" >> /etc/subgid
|
||||
subuid_start=$((subuid_start + 100000))
|
||||
done
|
||||
Reference in New Issue
Block a user