# TODO: Consider using numfmt instead of awk
tdu() {
du "$1" \
- | sort -n -k 1 \
- | tail -50 \
| awk '
{
size = $1
path = $0
sub("^" $1 "\t+", "", path)
- gb = size / 1024 / 1024
- printf("%f\t%s\n", gb, path)
- }' \
- | cut -c 1-115
+ paths[path] = size
+ if (size > max)
+ max = size
+ }
+
+ END {
+ for (path in paths) {
+ size = paths[path]
+ pct = 100 * (size / max)
+ gb = size / 1024 / 1024
+ printf("%6.2f %3d%% %s\n", gb, pct, path)
+ }
+ }
+ ' \
+ | sort -r -n -k 1 \
+ | head -50 \
+ | tac
+ # A slight optimization: head can exit before traversing the full input.
}
# Top Disk-Using Files
command man "$@"
}
-experiment() {
- cd "$(~/bin/experiment $@)" || kill -INT $$
+# new experiment
+x() {
+ cd "$(~/bin/x $@)" || kill -INT $$
}
hump() {
}
howto() {
- cat "$(find ~/Archives/Documents/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)"
+ cat "$(find ~/arc/doc/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)"
}
_yt() {
local -r base_dir="$1"
- local -r opts="$2"
- local -r uri="$3"
+ local -r uri="$2"
+ local -r opts="$3"
local -r id=$(youtube-dlc --get-id "$uri")
- local -r title=$(youtube-dlc --get-title "$uri" | sed 's/[^A-Za-z0-9._-]/_/g')
+ local -r title=$(youtube-dlc --get-title "$uri" | sed 's/[^А-Яа-яA-Za-z0-9._-]/_/g')
local -r dir="${base_dir}/${title}--${id}"
mkdir -p "$dir"
yt_audio() {
local -r uri="$1"
- _yt "${DIR_YOUTUBE_AUDIO}/individual" '-f 140' "$uri"
+ _yt "${DIR_YOUTUBE_AUDIO}/individual" "$uri" '-f 140'
}
yt_video() {
}
gh_fetch_repos() {
- curl "https://api.github.com/$1/$2/repos?page=1&per_page=10000"
+ local -r user_type="$1"
+ local -r user_name="$2"
+
+ curl "https://api.github.com/$user_type/$user_name/repos?page=1&per_page=10000"
}
gh_clone() {
work_log() {
mkdir -p "$DIR_WORK_LOG"
- local -r file_work_log_today="${DIR_WORK_LOG}/$(date +%F).md"
+ local -r file_work_log_today="${DIR_WORK_LOG}/daily-$(date +%F).md"
if [ ! -f "$file_work_log_today" ]
then
work_log_template > "$file_work_log_today"
'
}
-motd_batt() {
+internet_addr() {
+ curl --silent --show-error --max-time "${1:=1}" 'https://api.ipify.org' 2>&1
+}
+
+status_batt() {
case "$(uname)" in
'Linux')
if which upower > /dev/null
awk -v unit="$1" '{printf "%s%s\n", unit, $0}'
}
-motd() {
+status() {
local -r indent_unit=' '
uname -srvmo
(
free | awk '$1 == "Mem:" {print $3, $2, "mem"}'
df ~ | awk 'NR == 2 {print $3, $3 + $4, "disk"}'
- motd_batt
+ status_batt
) \
| bar_gauge -v width=60 -v pct=1 \
| column -t \
echo
printf '%smem by proc\n' "$indent_unit"
- ps -eo rss,cmd \
+ ps -eo rss,comm \
| awk -v total="$(free | awk '$1 == "Mem:" {print $2; exit}')" '
NR > 1 {
rss = $1
- cmd = $2
- n = split(cmd, path, "/") # _may_ be a path
- proc = path[n]
+ proc = $2
by_proc[proc] += rss
}
echo
+ local _dir temp_input label_file label
+
+ printf '%sthermal\n' "$indent_unit"
+ for _dir in /sys/class/hwmon/hwmon*; do
+ cat "$_dir"/name
+ find "$_dir"/ -name 'temp*_input' \
+ | while read -r temp_input; do
+ label_file=${temp_input//_input/_label}
+ if [ -f "$label_file" ]; then
+ label=$(< "$label_file")
+ else
+ label=''
+ fi
+ awk -v label="$label" '{
+ if (label)
+ label = sprintf(" (%s)", label)
+ printf("%.2f°C%s\n", $1 / 1000, label)
+ }' \
+ "$temp_input"
+ done \
+ | sort \
+ | indent "$indent_unit"
+ done \
+ | indent "${indent_unit}${indent_unit}"
+
echo 'net'
+ #local -r internet_addr=$(internet_addr 0.5)
+ #local -r internet_ptr=$(host -W 1 "$internet_addr" | awk 'NR == 1 {print $NF}' )
+
+ #echo "${indent_unit}internet"
+ #echo "${indent_unit}${indent_unit}$internet_addr $internet_ptr"
echo "${indent_unit}if"
(ifconfig; iwconfig) 2> /dev/null \
| awk '
echo "${indent_unit}-->"
- printf '%sUDP: ' "${indent_unit}${indent_unit}"
- sudo -n netstat -ulnp \
- | awk 'NR > 2 {print $6}' \
- | awk -F/ '{print $2}' \
- | sort -u \
- | xargs \
- | column -t
-
- printf '%sTCP: ' "${indent_unit}${indent_unit}"
- sudo -n netstat -tlnp \
- | awk 'NR > 2 {print $7}' \
- | awk -F/ '{print $2}' \
- | sort -u \
- | xargs \
- | column -t
+ sudo -n netstat -tulnp \
+ | awk -v indent="${indent_unit}${indent_unit}" '
+ NR > 2 && ((/^tcp/ && proc = $7) || (/^udp/ && proc = $6)) {
+ protocol = $1
+ addr = $4
+ port = a[split(addr, a, ":")]
+ name = p[split(proc, p, "/")]
+ names[name] = 1
+ protocols[protocol] = 1
+ if (!seen[protocol, name, port]++)
+ ports[protocol, name, ++seen[protocol, name]] = port
+ }
+
+ END {
+ for (protocol in protocols) {
+ printf "%s%s\t", indent, toupper(protocol)
+ for (name in names) {
+ if (n = seen[protocol, name]) {
+ sep = ""
+ printf "%s:", name
+ for (i = 1; i <= n; i++) {
+ printf "%s%d", sep, ports[protocol, name, i]
+ sep = ","
+ }
+ printf " "
+ }
+ }
+ printf "\n"
+ }
+ }'
echo "${indent_unit}<->"
- printf '%sTCP: ' "${indent_unit}${indent_unit}"
+ printf '%sTCP\t' "${indent_unit}${indent_unit}"
sudo -n netstat -tnp \
| awk 'NR > 2 && $6 == "ESTABLISHED" {print $7}' \
- | awk -F/ '{print $2}' \
+ | awk '{sub("^[0-9]+/", ""); print}' \
| sort -u \
| xargs \
| column -t
# TODO: iptables summary
}
-ssh_invalid_attempts_from() {
+ssh_invalid_by_addr() {
awk '
/: Invalid user/ && $5 ~ /^sshd/ {
- u=$8
addr=$10 == "port" ? $9 : $10
max++
- curr[addr]++
+ by_addr[addr]++
+ }
+
+ END {
+ for (addr in by_addr)
+ if ((c = by_addr[addr]) > 1)
+ printf "%d %d %s\n", c, max, addr
+ }
+ ' \
+ /var/log/auth.log \
+ /var/log/auth.log.1 \
+ | sort -n -k 1 \
+ | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+ | column -t
+}
+
+ssh_invalid_by_day() {
+ awk '
+ BEGIN {
+ m["Jan"] = "01"
+ m["Feb"] = "02"
+ m["Mar"] = "03"
+ m["Apr"] = "04"
+ m["May"] = "05"
+ m["Jun"] = "06"
+ m["Jul"] = "07"
+ m["Aug"] = "08"
+ m["Sep"] = "09"
+ m["Oct"] = "10"
+ m["Nov"] = "11"
+ m["Dec"] = "12"
+ }
+
+ /: Invalid user/ && $5 ~ /^sshd/ {
+ day = m[$1] "-" $2
+ max++
+ by_day[day]++
+ }
+
+ END {
+ for (day in by_day)
+ if ((c = by_day[day]) > 1)
+ printf "%d %d %s\n", c, max, day
+ }
+ ' \
+ /var/log/auth.log \
+ /var/log/auth.log.1 \
+ | sort -k 3 \
+ | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+ | column -t
+}
+
+ssh_invalid_by_user() {
+ awk '
+ /: Invalid user/ && $5 ~ /^sshd/ {
+ user=$8
+ max++
+ by_user[user]++
}
END {
- for (addr in curr)
- if ((c = curr[addr]) > 1)
- print c, max, addr
+ for (user in by_user)
+ if ((c = by_user[user]) > 1)
+ printf "%d %d %s\n", c, max, user
}
' \
/var/log/auth.log \
split($5, prog, "[")
sub(":$", "", prog[1]) # if there were no [], than : will is left behind
print prog[1]
- }' /var/log/syslog \
+ }' /var/log/syslog /var/log/syslog.1 \
| awk '
{
n = split($1, path, "/") # prog may be in path form
for (prog in count)
print count[prog], total, prog
}' \
+ | sort -n -k 1 \
| bar_gauge -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
| column -t
}