useful command

Binary files, convenient command

General

check disk space

du -h --max-depth=1

display file changes in real time

tail -f files.log

view log files

less files.log tl files.log lnav files.log

change directory easily

pushd

popd dirs

zi

check port status

netstat -ano

find public network ip

curl ifconfig.me

find files with specific subfix

find / -type f -name "*.sh"

check all disk space

lfs df -h -p sharefs.alipool /sharefs/alicpt

hard link

ln -s /sharefs/your/path/to/directory /afs/your/path/to/directory

Slurm operation

ls column by index

ls -1 submit_run_*.sh | sort -V > do.sh

add sbatch before submit_*.sh

sed -i 's/\([^ ]*\)/sbatch \1/g' do.sh

find how many works are running

squeue -u wangyiming25 | grep ' R ' | wc -l
squeue -u wangyiming25 | grep ' PD ' | wc -l

cancel homework from one id to another id

for job_id in {244328..244422}
do
   scancel $job_id
done