shell 查看磁盘和当前文件夹所有大小

[root@ opt]# df -h
文件系统	      容量  已用  可用 已用%% 挂载点
/dev/mapper/systemvg-rootlv
                      7.9G  5.4G  2.2G  72% /
tmpfs                 3.9G   12K  3.9G   1% /dev/shm
/dev/vda1             194M   57M  127M  31% /boot
/dev/mapper/systemvg-homelv
                      2.0G   68M  1.9G   4% /home
/dev/mapper/systemvg-optlv
                      375G  164G  192G  47% /opt
/dev/mapper/systemvg-tmplv
                      2.0G   68M  1.9G   4% /tmp
/dev/mapper/systemvg-usrlv
                      9.9G  4.3G  5.2G  46% /usr
/dev/mapper/systemvg-varlv
                      5.0G  466M  4.3G  10% /var
[root@ opt]# du -h --max-depth=1
4.0K	./certificate
1.3M	./svc
336K	./report
182M	./symantec
1.7M	./epps
19G	./CI
9.9M	./recommend
20K	./logs
15M	./pis
664K	./sec
306M	./CIPackage
8.0K	./testlog
880K	./cislog
4.8G	./epp
8.0G	./SONAR
4.0K	./git
216K	./cmflogs
20K	./IBM
892K	./zabbix
16K	./lost+found
1.1M	./wildfly
16K	./salt
92K	./fundlog
6.0M	./sdslog
131G	./.m2
8.0K	./shp
848M	./jenkinsslave
6.4M	./tempFile
3.6M	./gsdslog
192K	./file
19M	./search
28K	./saas
216K	./tmsp
285M	./jboss
296K	./cimslog
14M	./scf
7.6M	./fms
92K	./fsp
36K	./files
8.0K	./filebakTest
2.5M	./log
36K	./mbfe
164G	.
[root@ opt]# 

查看磁盘使用情况 df -h

查看当前文件路径下，所有文件夹大小

opt/目录下 主要是.m2占用空间

查看某目录下所有文件夹以及大小：

[root@CI]# du -h --max-depth=1 jenkins/
4.0K	jenkins/test
1.7M	jenkins/updates
436K	jenkins/logs
1.1M	jenkins/users
8.0K	jenkins/userContent
4.0K	jenkins/jenkins.diagnostics.ooom.OutOfOrderBuildMonitor
12K	jenkins/labels
4.5G	jenkins/jobs-bacup20180129
13G	jenkins/jobs
148M	jenkins/plugins
340K	jenkins/nodes
4.9M	jenkins/fingerprints
4.6M	jenkins/bak831
60K	jenkins/secrets
17G	jenkins/