Linux 常用命令/脚本

n=5; file="./test"; size1=$(stat -c%s "$file"); sleep $n; size2=$(stat -c%s "$file"); growth=$(echo "scale=2; ($size2 - $size1) / $n" | bc); if (( $(echo "$growth >= 1073741824" | bc) )); then echo "$(echo "scale=2; $growth / 1073741824" | bc) GB/s"; elif (( $(echo "$growth >= 1048576" | bc) )); then echo "$(echo "scale=2; $growth / 1048576" | bc) MB/s"; else echo "$growth B/s"; fi

find ./ -type f -not -newermt "$(date '+%Y-%m-%d 22:00:00')" -delete

tailscale status | awk '{print $1 ,$2}' | sort -n -t . -k 1,1 -k 2,2 -k 3,3 -k 4,4

sudo ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

cat host.yml | grep yzh  | sed 's/://g' | tr -d ' ' | sort|uniq |  tr '\n' ',' | sed 's/,$//g'

ps -eo pid,ppid,user,command,%cpu,%mem --sort=-%cpu | head -n 10
ps -eo pid,ppid,user,command,%cpu,%mem --sort=-%mem | head -n 10