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info.sh
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info.sh
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#!/bin/bash
# Teal Dulcet
# Outputs system information
# wget -qO - https://raw.github.com/tdulcet/Linux-System-Information/master/info.sh | bash -s --
# ./info.sh
if [[ $# -ne 0 ]]; then
echo "Usage: $0" >&2
exit 1
fi
# Check if on Linux
if ! echo "$OSTYPE" | grep -iq '^linux'; then
echo "Error: This script must be run on Linux." >&2
exit 1
fi
# toiec <KiB>
toiec() {
echo "$(printf "%'d" $(($1 >> 10))) MiB$([[ $1 -ge 1048576 ]] && echo " ($(numfmt --from=iec --to=iec-i "${1}K")B)")"
}
# tosi <KiB>
tosi() {
echo "$(printf "%'d" $(((($1 << 10) / 1000) / 1000))) MB$([[ $1 -ge 1000000 ]] && echo " ($(numfmt --from=iec --to=si "${1}K")B)")"
}
. /etc/os-release
echo -e "\nLinux Distribution:\t\t${PRETTY_NAME:-$ID-$VERSION_ID}"
KERNEL=$(</proc/sys/kernel/osrelease) # uname -r
echo -e "Linux Kernel:\t\t\t$KERNEL"
file=/sys/class/dmi/id # /sys/devices/virtual/dmi/id
if [[ -d $file ]]; then
if [[ -r "$file/sys_vendor" ]]; then
MODEL=$(<"$file/sys_vendor")
elif [[ -r "$file/board_vendor" ]]; then
MODEL=$(<"$file/board_vendor")
elif [[ -r "$file/chassis_vendor" ]]; then
MODEL=$(<"$file/chassis_vendor")
fi
if [[ -r "$file/product_name" ]]; then
MODEL+=" $(<"$file/product_name")"
fi
if [[ -r "$file/product_version" ]]; then
MODEL+=" $(<"$file/product_version")"
fi
elif [[ -r /sys/firmware/devicetree/base/model ]]; then
read -r -d '' MODEL </sys/firmware/devicetree/base/model
fi
if [[ -n $MODEL ]]; then
echo -e "Computer Model:\t\t\t$MODEL"
fi
mapfile -t CPU < <(sed -n 's/^model name[[:blank:]]*: *//p' /proc/cpuinfo | uniq)
if [[ -z $CPU ]]; then
mapfile -t CPU < <(lscpu | grep -i '^model name' | sed -n 's/^.\+:[[:blank:]]*//p' | uniq)
fi
if [[ -n $CPU ]]; then
echo -e "Processor (CPU):\t\t${CPU[0]}$([[ ${#CPU[*]} -gt 1 ]] && printf '\n\t\t\t\t%s' "${CPU[@]:1}")"
fi
CPU_THREADS=$(nproc --all) # getconf _NPROCESSORS_CONF # $(lscpu | grep -i '^cpu(s)' | sed -n 's/^.\+:[[:blank:]]*//p')
declare -A lists
for file in /sys/devices/system/cpu/cpu[0-9]*/topology/core_cpus_list; do
if [[ -r $file ]]; then
lists[$(<"$file")]=1
fi
done
if ! ((${#lists[*]})); then
for file in /sys/devices/system/cpu/cpu[0-9]*/topology/thread_siblings_list; do
if [[ -r $file ]]; then
lists[$(<"$file")]=1
fi
done
fi
CPU_CORES=${#lists[*]}
# CPU_CORES=$(lscpu -ap | grep -v '^#' | cut -d, -f2 | sort -nu | wc -l)
lists=()
for file in /sys/devices/system/cpu/cpu[0-9]*/topology/package_cpus_list; do
if [[ -r $file ]]; then
lists[$(<"$file")]=1
fi
done
if ! ((${#lists[*]})); then
for file in /sys/devices/system/cpu/cpu[0-9]*/topology/core_siblings_list; do
if [[ -r $file ]]; then
lists[$(<"$file")]=1
fi
done
fi
CPU_SOCKETS=${#lists[*]}
# CPU_SOCKETS=$(lscpu -ap | grep -v '^#' | cut -d, -f3 | sort -nu | wc -l) # $(lscpu | grep -i '^\(socket\|cluster\)(s)' | sed -n 's/^.\+:[[:blank:]]*//p' | tail -n 1)
echo -e "CPU Sockets/Cores/Threads:\t$CPU_SOCKETS/$CPU_CORES/$CPU_THREADS"
CPU_CACHES=()
declare -A CPU_NUM_CACHES CPU_CACHE_SIZES CPU_TOTAL_CACHE_SIZES
# CPU_L1I_CACHE_SIZE=$(getconf LEVEL1_ICACHE_SIZE)
# CPU_L1D_CACHE_SIZE=$(getconf LEVEL1_DCACHE_SIZE)
# CPU_L2_CACHE_SIZE=$(getconf LEVEL2_CACHE_SIZE)
# CPU_L3_CACHE_SIZE=$(getconf LEVEL3_CACHE_SIZE)
# CPU_L4_CACHE_SIZE=$(getconf LEVEL4_CACHE_SIZE)
lists=()
for dir in /sys/devices/system/cpu/cpu[0-9]*/cache; do
if [[ -d $dir ]]; then
for file in "$dir"/index[0-9]*/size; do
if [[ -r $file ]]; then
size=$(numfmt --from=iec <"$file")
file=${file%/*}
level=$(<"$file/level")
type=$(<"$file/type")
if [[ $type == Data ]]; then
type=d
elif [[ $type == Instruction ]]; then
type=i
else
type=''
fi
name="L$level$type"
key="$(<"$file/shared_cpu_list") $name"
if [[ -z ${lists[$key]} ]]; then
if [[ -z ${CPU_TOTAL_CACHE_SIZES[$name]} ]]; then
CPU_CACHES+=("$name")
fi
((++CPU_NUM_CACHES[$name]))
CPU_CACHE_SIZES[$name]=$size
((CPU_TOTAL_CACHE_SIZES[$name] += size))
lists[$key]=1
fi
fi
done
fi
done
if ((${#CPU_CACHES[*]})); then
echo -e -n "CPU Caches:\t\t\t"
for i in "${!CPU_CACHES[@]}"; do
cache=${CPU_CACHES[i]}
((i)) && printf '\t\t\t\t'
echo "$cache: $(printf "%'d" $((CPU_CACHE_SIZES[$cache] >> 10))) KiB × ${CPU_NUM_CACHES[$cache]} ($(numfmt --to=iec-i "${CPU_TOTAL_CACHE_SIZES[$cache]}")B)"
done
fi
ARCHITECTURE=$(getconf LONG_BIT)
echo -e "Architecture:\t\t\t$HOSTTYPE (${ARCHITECTURE}-bit)" # arch, uname -m
MEMINFO=$(</proc/meminfo)
TOTAL_PHYSICAL_MEM=$(echo "$MEMINFO" | awk '/^MemTotal:/ { print $2 }') # (( $(getconf PAGE_SIZE) * $(getconf _PHYS_PAGES) ))
echo -e "Total memory (RAM):\t\t$(toiec "$TOTAL_PHYSICAL_MEM") ($(tosi "$TOTAL_PHYSICAL_MEM"))"
TOTAL_SWAP=$(echo "$MEMINFO" | awk '/^SwapTotal:/ { print $2 }')
echo -e "Total swap space:\t\t$(toiec "$TOTAL_SWAP") ($(tosi "$TOTAL_SWAP"))"
DISKS=$(lsblk -dbn 2>/dev/null | awk '$6=="disk"')
if [[ -n $DISKS ]]; then
DISK_NAMES=($(echo "$DISKS" | awk '{ print $1 }'))
DISK_SIZES=($(echo "$DISKS" | awk '{ print $4 }'))
echo -e -n "Disk space:\t\t\t"
for i in "${!DISK_NAMES[@]}"; do
((i)) && printf '\t\t\t\t'
echo -e "${DISK_NAMES[i]}: $(printf "%'d" $((DISK_SIZES[i] >> 20))) MiB$([[ ${DISK_SIZES[i]} -ge 1073741824 ]] && echo " ($(numfmt --to=iec-i "${DISK_SIZES[i]}")B)") ($(printf "%'d" $(((DISK_SIZES[i] / 1000) / 1000))) MB$([[ ${DISK_SIZES[i]} -ge 1000000000 ]] && echo " ($(numfmt --to=si "${DISK_SIZES[i]}")B)"))"
done
fi
for lspci in lspci /sbin/lspci; do
if command -v $lspci >/dev/null; then
mapfile -t GPU < <($lspci 2>/dev/null | grep -i 'vga\|3d\|2d' | sed -n 's/^.*: //p')
break
fi
done
if [[ -n $GPU ]]; then
echo -e "Graphics Processor (GPU):\t${GPU[0]}$([[ ${#GPU[*]} -gt 1 ]] && printf '\n\t\t\t\t%s' "${GPU[@]:1}")"
fi
echo -e "Computer name:\t\t\t$HOSTNAME" # uname -n # hostname # /proc/sys/kernel/hostname
if command -v iwgetid >/dev/null; then
NETWORKNAME=$(iwgetid -r || true)
fi
if [[ -n $NETWORKNAME ]]; then
echo -e "Network name (SSID):\t\t$NETWORKNAME"
fi
HOSTNAME_FQDN=$(hostname -f) # hostname -A
echo -e "Hostname:\t\t\t$HOSTNAME_FQDN"
mapfile -t IPv4_ADDRESS < <(ip -o -4 a show up scope global | awk '{ print $2,$4 }')
if [[ -n $IPv4_ADDRESS ]]; then
IPv4_INERFACES=($(printf '%s\n' "${IPv4_ADDRESS[@]}" | awk '{ print $1 }'))
IPv4_ADDRESS=($(printf '%s\n' "${IPv4_ADDRESS[@]}" | awk '{ print $2 }'))
echo -e -n "IPv4 address$([[ ${#IPv4_ADDRESS[*]} -gt 1 ]] && echo "es"):\t\t\t"
for i in "${!IPv4_INERFACES[@]}"; do
((i)) && printf '\t\t\t\t'
echo -e "${IPv4_INERFACES[i]}: ${IPv4_ADDRESS[i]%/*}"
done
fi
mapfile -t IPv6_ADDRESS < <(ip -o -6 a show up scope global | awk '{ print $2,$4 }')
if [[ -n $IPv6_ADDRESS ]]; then
IPv6_INERFACES=($(printf '%s\n' "${IPv6_ADDRESS[@]}" | awk '{ print $1 }'))
IPv6_ADDRESS=($(printf '%s\n' "${IPv6_ADDRESS[@]}" | awk '{ print $2 }'))
echo -e -n "IPv6 address$([[ ${#IPv6_ADDRESS[*]} -gt 1 ]] && echo "es"):\t\t\t"
for i in "${!IPv6_INERFACES[@]}"; do
((i)) && printf '\t\t\t\t'
echo -e "${IPv6_INERFACES[i]}: ${IPv6_ADDRESS[i]%/*}"
done
fi
# ip -o l show up | grep -v 'loopback' | awk '{ print $2,$(NF-2) }'
INERFACES=($(ip -o a show up primary scope global | awk '{ print $2 }' | uniq))
NET_INERFACES=()
NET_ADDRESSES=()
for inerface in "${INERFACES[@]}"; do
file="/sys/class/net/$inerface"
if [[ -r "$file/address" ]]; then
NET_INERFACES+=("$inerface")
NET_ADDRESSES+=("$(<"$file/address")")
fi
done
if [[ -n $NET_INERFACES ]]; then
echo -e -n "MAC address$([[ ${#NET_INERFACES[*]} -gt 1 ]] && echo "es"):\t\t\t"
for i in "${!NET_INERFACES[@]}"; do
((i)) && printf '\t\t\t\t'
echo -e "${NET_INERFACES[i]}: ${NET_ADDRESSES[i]}"
done
fi
if [[ -r /var/lib/dbus/machine-id ]]; then
COMPUTER_ID=$(</var/lib/dbus/machine-id)
echo -e "Computer ID:\t\t\t$COMPUTER_ID"
fi
TIME_ZONE=$(timedatectl 2>/dev/null | grep -i 'time zone:\|timezone:' | sed -n 's/^.*: //p') # timedatectl show --value -p Timezone
if [[ -z $TIME_ZONE ]]; then
if [[ -r /etc/timezone ]]; then
TIME_ZONE=$(</etc/timezone)
elif [[ -L /etc/localtime ]]; then
TIME_ZONE=$(realpath --relative-to /usr/share/zoneinfo /etc/localtime)
fi
TIME_ZONE+=" ($(date '+%Z, %z'))"
fi
echo -e "Time zone:\t\t\t$TIME_ZONE"
echo -e "Language:\t\t\t$LANG"
if command -v systemd-detect-virt >/dev/null && CONTAINER=$(systemd-detect-virt -c); then
echo -e "Virtualization container:\t$CONTAINER"
fi
if command -v systemd-detect-virt >/dev/null && VM=$(systemd-detect-virt -v); then
echo -e "Virtual Machine (VM) hypervisor:$VM"
fi
echo -e "Bash Version:\t\t\t$BASH_VERSION"
if [[ -c /dev/tty ]]; then
stty raw min 0 time 10 </dev/tty
read -p $'\x05' -rs -t 1 TERMINAL </dev/tty || true
stty cooked </dev/tty
fi
echo -e "\rTerminal:\t\t\t$TERM${TERMINAL:+ ($TERMINAL)}"
echo