netstat -anp | grep 8888
cd -
tcpdump -n -i eth0 port 8080
nohup jupyter notebook --port 8888 --ip=172.18.122.70 --allow-root &
scp -P 18999 [email protected].**:/home/HByw_root/www.war ./
權限
chown -R jenkins:jenkins maven3.5.3
jenkins 沒有docker 權限
gpasswd -a jenkins docker
service jenkins restart 需要重啓
--------open file--------
ulimit -a
ulimit -n 2048
vim /etc/security/limits.conf
在最後加入
* soft nofile 4096
* hard nofile 4096
查看線程
top -H -p 707
---------------mysql--------------
mysql -h192.168.172.** -uroot -p*********
desc table_name;
show create table table_name;
show processlist
select concat('KILL ',id,';') from information_schema.processlist where user='root'and db = 'onlineshow';
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