Linux 查看 端口占用 磁盘空间 远程拷贝 scp
查看端口
netstat -an
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[root@ftp /]# netstat -anp|grep java
tcp??????? 0????? 0 0.0.0.0:8266??????????????? 0.0.0.0:*?????????????????? LISTEN????? 11962/java?????????
tcp??????? 0????? 0 :::8002???????????????????? :::*??????????????????????? LISTEN????? 11962/java?????????
tcp??????? 0????? 0 :::8066???????????????????? :::*??????????????????????? LISTEN????? 11962/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:8003?????? :::*??????????????????????? LISTEN????? 20436/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:8005?????? :::*??????????????????????? LISTEN????? 18515/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:8103?????? :::*??????????????????????? LISTEN????? 11962/java?????????
tcp??????? 0????? 0 :::8009???????????????????? :::*??????????????????????? LISTEN????? 18515/java?????????
tcp??????? 0????? 0 :::8011???????????????????? :::*??????????????????????? LISTEN????? 20436/java?????????
tcp??????? 0????? 0 :::10000??????????????????? :::*??????????????????????? LISTEN????? 11962/java?????????
tcp??????? 0????? 0 :::8086???????????????????? :::*??????????????????????? LISTEN????? 20436/java?????????
tcp??????? 0????? 0 :::8888???????????????????? :::*??????????????????????? LISTEN????? 18515/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:58419????? ::ffff:127.0.0.1:3306?????? ESTABLISHED 18515/java?????????
tcp??????? 0????? 0 ::ffff:000.000000000:44186 ::ffff:172.16.0.37:57788??? ESTABLISHED 11962/java?????????
tcp??????? 0????? 0 ::ffff:?000.000000000?:50398 ::ffff:000.000000000:3306? ESTABLISHED 11962/java?????????
tcp??????? 0????? 0 ::ffff:000.000000000:51171 ::ffff:172.16.0.43:39673??? ESTABLISHED 11962/java?????????
tcp??????? 0????? 0 ::ffff:000.000000000:47978 ::ffff:000.000000000:3306? ESTABLISHED 11962/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:48738????? ::ffff:127.0.0.1:3306?????? ESTABLISHED 18515/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:45878????? ::ffff:127.0.0.1:3306?????? ESTABLISHED 18515/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:39391????? ::ffff:127.0.0.1:3306?????? ESTABLISHED 20436/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:40047????? ::ffff:127.0.0.1:3306?????? ESTABLISHED 20436/java?????????
tcp??????? 0????? 0 ::ffff:000.000000000:56304 ::ffff:172.16.0.37:57788??? ESTABLISHED 11962/java?????????
tcp??????? 0????? 0 ::ffff:127.0.0.1:37961????? ::ffff:127.0.0.1:3306?????? ESTABLISHED 18515/java?????????
tcp??????? 0????? 0 ::ffff:000.000000000:52309 ::ffff:172.16.0.30:52031??? ESTABLISHED 11962/java?????????
unix? 2????? [ ]???????? STREAM???? CONNECTED???? 3177246 20436/java?????????
unix? 2????? [ ]???????? STREAM???? CONNECTED???? 3155186 18515/java?????????
unix? 2????? [ ]???????? DGRAM??????????????????? 3155175 18515/java?????????
unix? 2????? [ ]???????? DGRAM??????????????????? 3061808 11962/java?????????
000.0000000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
COMMAND?? PID USER?? FD?? TYPE? DEVICE SIZE NODE NAME
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/sda2????????????? 95G?? 28G?? 63G? 31% /home
/dev/sda1????????????? 99M?? 12M?? 83M? 12% /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???? .
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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。
