Bash snippet

Bash snippet

# Bash snippet

## List service
service --status-all
ls -F /etc/init.d/ | grep '*$'


## File Descriptors
### Open socket by node.js
lsof -n -i -P | grep node | wc -l

### Check how many FD are open at startup
strace -ff -s 512 -ttt -T -x -o strace.out node app.js

### Check opened port of a process
netstat -aop | grep <pid>

### ss - socket statistics
ss -ltp

## File system
### Disk usage
df -h

### Directory's size
du -sh /home/smpp3/

### Directory's size details
du -shc /home/smpp3/*

### Compact and remove
tar --remove-files -zcvf log/archive.tar.gz pattern_*

### Unzip all gz in directory
find . -name "*.gz" | while read filename; do tar -zxvf "$filename" -C ./; done;
find . -name "*.gz" | while read filename; do gzip -d "$filename"; done;

## Kill
### Kill all node.js process
for pid in $(ps -ef | grep "node" | awk '{print $2}'); do kill -9 $pid; done

Docker

# Stop all container
docker stop $(docker ps -a -q)

# Stop all container - win
docker ps -a -q | ForEach { docker stop $_ }

# Run node project in a docker container
docker run --rm -it -v "C:\Users\mspigolon\workspace\project:/app/" --net mynet node:12 bash 
# A net to connect containers
docker network create mynet