one-line-commands

1、OS

ubuntu version check

cat /etc/os-release

centos version check

cat /etc/centos-release

os kernel version

uname -a

2、Database

mysql login

mysql -h{MYSQL_HOST} -P{MYSQL_PORT} -u{MYSQL_USERNAME} -p{MYSQL_PASSWORD}

mysql tcpdump

tcpdump -s 0 -l -w - host {mysql_host_ip} and port {mysql_port} | strings

Influxdb database list

curl -s -XPOST 'http://{INFLUXDB_HOST}:{INFLUXDB_PORT}/query?u={INFLUXDB_USERNAME}&p={INFLUXDB_PASSWORD}' --data-urlencode 'q=SHOW DATABASES' | jq

3、TCP

tcp port listener process

lsof -nP -sTCP:LISTEN -iTCP:{PORT}

process listen ports

lsof -a -i -n -P -sTCP:LISTEN -p {PID}

4、HTTP

tcpdump http traffics

tcpdump -A -s 0 'host {HTTP_HOST} and tcp port {HTTP_PORT} and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)'

5、Java

find java process

jps -mlv

maven dependency tree

mvn --settings ~/.m2/settings.xml dependency:tree

maven dependency of a package

mvn dependency:tree -Dincludes=io.dropwizard.metrics:metrics-jetty9

6、Clojure

dump dependencies

lein deps :tree

generate pom.xml

lein pom

7、Android

从电脑上传文件到Android手机

adb push /PC/path/image.png /sdcard/Pictures/   # 图库 - 相册 - 其它相册
adb push /PC/path/image.png /sdcard/DCIM/       # 图库 - 照相机