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shell tings
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# get the 20 most used commands | |
# https://github.com/trimstray/the-book-of-secret-knowledge#tool-terminal | |
history | \ | |
awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | \ | |
grep -v "./" | \ | |
column -c3 -s " " -t | \ | |
sort -nr | nl | head -n 20 | |
# kill process running on port <port> | |
kill -9 $(lsof -i :<port> | awk '{l=$2} END {print l}') | |
# find last reboot time | |
who -b | |
# show 20 biggest directories with K M G | |
du | \ | |
sort -r -n | \ | |
awk '{split("K M G",v); s=1; while($1>1024){$1/=1024; s++} print int($1)" "v[s]"\t"$2}' | \ | |
head -n 20 |
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