유용했던 shell 명령어를 기록해본다.
du -hs *
736M fwk
476M java
87M jenkins
ls -alh
total 28K
drwxr-xr-x 1 root root 4.0K Jul 7 18:10 .
drwxr-xr-x 1 root root 4.0K Jul 7 18:02 ..
drwxr-xr-x 1 root root 4.0K Jul 7 17:18 fwk
drwxr-xr-x 3 root root 4.0K Jul 7 16:50 java
drwxr-xr-x 3 root root 4.0K Jul 8 00:09 jenkins
grep -r "EhCache" *
mkdir -p ./volumes/app/mattermost/{config,data,logs,plugins,client/plugins,bleve-indexes}
lsof -i:8080
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
node 3249 jiyong_park 18u IPv4 47596 0t0 TCP *:http-alt (LISTEN)
node 3249 jiyong_park 19u IPv4 70829 0t0 TCP jiyongpark:http-alt->xxx.xx.xx.xx:xxxxx (ESTABLISHED)
node 3249 jiyong_park 20u IPv4 75359 0t0 TCP jiyongpark:http-alt->xxx.xx.xx.xx:xxxxx (ESTABLISHED)
node 3249 jiyong_park 21u IPv4 62296 0t0 TCP jiyongpark:http-alt->xxx.xx.xx.xx:xxxxx (ESTABLISHED)
node 3249 jiyong_park 22u IPv4 113589 0t0 TCP jiyongpark:http-alt->xxx.xx.xx.xx:xxxxx (ESTABLISHED)
node 3249 jiyong_park 23u IPv4 364492 0t0 TCP jiyongpark:http-alt->xxx.xx.xx.xx:xxxxx (ESTABLISHED)
sudo iptables -t nat -A OUTPUT -d localhost -p tcp --dport 80 -j REDIRECT --to-port 8080
sudo iptables -t nat -L --line-numbers
sudo iptables -nL
find . -name Database.list -exec grep "SERVERCODE" {} +
sudo iptables -t nat -D OUTPUT 2
iptables -A INPUT -p tcp --dport 포트번호 -j ACCEPT
iptables -A INPUT -p tcp --dport 포트번호 -j DROP
iptables -D INPUT -p tcp --dport 12345 -j ACCEPT
iptables -D INPUT -p udp --dport 12345 -j ACCEPT
iptables -I INPUT -p tcp --dport 10080 -j ACCEPT
iptables -I OUTPUT -p tcp --dport 10080 -j ACCEPT
iptables -D INPUT -p tcp --dport 10080 -j DROP
iptables -D OUTPUT -p tcp --dport 10080 -j DROP
-D(–delete) : 규칙 없애기
sudo service nginx stop
sudo certbot renew --dry-run
sudo certbot renew
sudo service nginx start
sudo lsof -ti:7000
sudo ufw enable
sudo ufw disable
sudo ufw status verbose
sudo ufw show raw
sudo ufw default allow
sudo ufw default deny
sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow 80
sudo ufw allow 80/tcp
sudo ufw allow 80/udp
sudo ufw allow http
-w : 정확히 일치, -f : 포함
grep -rnw '찾고자하는 디렉토리 위치' -e "찾는 텍스트명"
grep -rnf '찾고자하는 디렉토리 위치' -e "찾는 텍스트명"
lsof -ti :8000 | xargs kill