Linux常用名命令

工作笔记

查看端口占用

netstat -lnp|grep port   或者   lsof -i :port

杀死进程

kill -9 pid

常用资源占用情况

free
free 命令
              total        used        free      shared  buff/cache   available
Mem:       16265804    12963028     2327736       16392      975040     2975784
Swap:       4095996     4079824       16172

查看各个进程占用情况

top
top命令   按M键，可按内存占用倒序
top - 22:11:28 up 318 days, 11:55,  2 users,  load average: 0.17, 0.28, 0.44
Tasks: 181 total,   1 running, 180 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.5 us,  0.4 sy,  0.0 ni, 98.7 id,  0.3 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem : 16265804 total,  1748564 free, 13442716 used,  1074524 buff/cache
KiB Swap:  4095996 total,    18264 free,  4077732 used.  2496076 avail Mem
 
  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                               
17933 root      20   0 6041316   1.7g    436 S   0.0 10.8  62:46.54 java                                                  
 8516 root      20   0 8356080   1.2g      0 S   2.0  8.0   1156:20 java                                                  
10184 root      20   0 6925008 871892   2652 S   0.0  5.4   2:52.74 java                                                  
14794 hbase     20   0 4058564 859440   2228 S   0.3  5.3   3:25.70 java                                                  
13362 root      20   0 7074716 690944      0 S   0.0  4.2 240:12.53 java                                                  
31876 root      20   0 6148284 642748  14332 S   0.7  4.0   2:47.68 java                                                  
31811 root      20   0 6120892 565988  14280 S   0.3  3.5   2:22.40 java                                                  
31083 root      20   0 6089844 548588  13840 S   0.7  3.4   2:14.36 java                                                  
11524 root      20   0 6536588 507656      0 S   1.3  3.1  91:44.92 java                                                  
 3374 root      20   0 6078324 463624  14260 S   0.3  2.9   1:18.90 java                                                  
 9372 hdfs      20   0 2949660 441516   2208 S   0.0  2.7 294:47.19 java                                                  
 4151 yarn      20   0 2988672 388868    204 S   0.3  2.4 362:20.00 java                                                  
14224 zookeep+  20   0 5049964 381084   4536 S   0.0  2.3   2:12.18 java                                                  
 2318 mysql     20   0 4786420 361852      0 S   0.0  2.2 427:01.56 mysqld

查看进程位置

ps -aux |grep -v grep|grep pid

查看命令执行历史记录

history|grep uaa   //查看执行的历史命令中包含uaa的

进入Docker修改nginx配置

 docker exec -it 容器名称 /bin/bash
docker exec -it  /bin/bash
docker exec -it b98c  /bin/bash
nginx -t  //查看配置文件是否正确
nginx -s reload    //加载nginx配置文件

126数据库备份

mysqldump -u flh-integration-wh -p jiujiang_uaa_new > 20200420.sql

进入114服务器docker方式安装的mysql

docker exec -it mysql-5.7 bash(在文件中./root/shell/mysql-bash.sh)