Linux 查看 端口占用 磁盘空间 远程拷贝 scp
查看端口
netstat -an
[root@ftp /]# netstat -anp|grep java
tcp000.0.0.0:82660.0.0.0:*LISTEN11962/java
tcp00:::8002:::*LISTEN11962/java
tcp00:::8066:::*LISTEN11962/java
tcp00::ffff:127.0.0.1:8003:::*LISTEN20436/java
tcp00::ffff:127.0.0.1:8005:::*LISTEN18515/java
tcp00::ffff:127.0.0.1:8103:::*LISTEN11962/java
tcp00:::8009:::*LISTEN18515/java
tcp00:::8011:::*LISTEN20436/java
tcp00:::10000:::*LISTEN11962/java
tcp00:::8086:::*LISTEN20436/java
tcp00:::8888:::*LISTEN18515/java
tcp00::ffff:127.0.0.1:58419::ffff:127.0.0.1:3306ESTABLISHED18515/java
tcp00::ffff:000.000000000:44186::ffff:172.16.0.37:57788ESTABLISHED11962/java
tcp00::ffff:000.000000000:50398::ffff:000.000000000:3306ESTABLISHED11962/java
tcp00::ffff:000.000000000:51171::ffff:172.16.0.43:39673ESTABLISHED11962/java
tcp00::ffff:000.000000000:47978::ffff:000.000000000:3306ESTABLISHED11962/java
tcp00::ffff:127.0.0.1:48738::ffff:127.0.0.1:3306ESTABLISHED18515/java
tcp00::ffff:127.0.0.1:45878::ffff:127.0.0.1:3306ESTABLISHED18515/java
tcp00::ffff:127.0.0.1:39391::ffff:127.0.0.1:3306ESTABLISHED20436/java
tcp00::ffff:127.0.0.1:40047::ffff:127.0.0.1:3306ESTABLISHED20436/java
tcp00::ffff:000.000000000:56304::ffff:172.16.0.37:57788ESTABLISHED11962/java
tcp00::ffff:127.0.0.1:37961::ffff:127.0.0.1:3306ESTABLISHED18515/java
tcp00::ffff:000.000000000:52309::ffff:172.16.0.30:52031ESTABLISHED11962/java
unix2[]STREAMCONNECTED317724620436/java
unix2[]STREAMCONNECTED315518618515/java
unix2[]DGRAM315517518515/java
unix 2 [ ] DGRAM 3061808 11962/java000.0000000为公网ip,(安全起见)
查看端口属于哪个程序？端口被哪个进程占用
lsof -i :8086
[root@ftp bin]# lsof -i:8086
COMMANDPIDUSERFDTYPEDEVICESIZENODENAME
java 20436 root 5u IPv6 3177054 TCP *:8086 (LISTEN)查看磁盘空间
[root@localhost ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
/dev/sda3 19G 6.4G 12G 36% /
/dev/sda295G28G63G31%/home
/dev/sda199M12M83M12%/boot
tmpfs 2.0G 0 2.0G 0% /dev/shm查看具体文件目录空间信息
[root@localhost ~]#du --max-depth=1 -h
[root@ftp /]# pwd
/
[root@ftp/]#du--max-depth=1-h
66M./public
3.7G./usr
61M./etc
5.6M./boot
100K./tftpboot
2.1M./root
0./misc
8.0K./srv
8.0K./scripts
116K./tmp
44K./logs
0./proc
0./sys
16K./lost+found
8.0K./selinux
2.9G./mnt
26G./home
248M./var
32M./sbin
0./net
88K./dev
8.0K./opt
35M./back
8.0K./media
7.2M./bin
79M./lib
33G .linux对linux 远程拷贝 scp命令
scp 文件名 root@远程ip:/路径/
将本地home目录下的test.tar的文件拷贝到远程主机192.168.1.23的/home/adm/目录下，则命令为：scp /home/test.tar root@192.168.1.23:/home/adm/ 回车后输入密码就可以了
scp提供了几个选项 在scp后加就行了
-p 拷贝文件的时候保留源文件建立的时间。
-q执行文件拷贝时，不显示任何提示消息。
-r拷贝整个目录
-v拷贝文件时，显示提示信息。