du -sm * //显示文档下文件的大小

du -h --max-depth=1|more //显示文件大小

du -h --max-depth=1 / | grep '[0-9]G\>'

find . $ -name '.err' -or -name '.log' $ -mtime +15 -exec ls -l {} \;

find . $ -name '*.err*' -or -name '*.log*' $ -mtime +10 -exec ls -l {} \;

find . $ -name '*.err*' -or -name '*.log*' $ -mtime +10 -exec rm -f {} \;

find . $ -name 'expdp*' $ -mtime +10 -exec rm -f {} \;

find . $ -name '*.dmp*' $ -mtime +10 -exec ls -l {} \;

find . $ -name 'expdp_*' $ -mtime +10 -exec rm -f {} \;

find . –type

Cleaning for Linux system
sed -i -e "s|ERROR MESSAGE STACK FOLLOWS|error message stack follows|g" /var/log/networker/msglog.log

Cleaning for AIX system

perl -p -i -e "s|ERROR MESSAGE STACK FOLLOWS|error message stack follows|g" /var/log/networker/msglog.log

删除domain和node下的access.log0*

/u01/app/weblogic/domain/lgtca1ows02/servers/AdminServer/logs

find . -name 'access.log0*' -mtime +3 -exec rm -f {} \;|more

find . -name '*.log*' -mtime +7 -exec ls -l {} \;

find . -name '*.log*' -mtime +15 -exec rm -f {} \;

find . -name '*.err*' -mtime +7 -exec ls -l {} \;

find . -name '*.err*' -mtime +15 -exec rm -f {} \;

find . -name '*.trc*' -mtime -1 -exec rm -f {} \;

find . $ -type d -a ! -name . -prune $ -o -name '*.trm*' -exec ls -l {} \;

压缩不含.tar /.tmp/ cd的文件

for i in $(ls|grep -v tar | grep -v tmp | grep -v cd); do echo tar czf $i.tar.gz $i && echo rm -rf $i; done

for i in $(ls|grep -v tar | grep -v tmp | grep -v cd); do tar czf $i.tar.gz $i && rm -rf $i; done

[ora10gas@prodb1oas02 ~]$ df

Filesystem 1K-blocks Used Available Use% Mounted on

/dev/sda5 2030736 281992 1643924 15% /

/dev/sda6 1019208 157644 808956 17% /home

/dev/sda2 8123200 1213656 6490248 16% /usr

/dev/mapper/vgos-varlv

4980352 756824 3966328 17% /var

/dev/mapper/vgos-tmplv

2031440 185664 1740920 10% /tmp

/dev/mapper/vgos-optlv

101573920 42621364 53709676 45% /opt

/dev/sda1 194442 14694 169709 8% /boot

tmpfs 4087564 0 4087564 0% /dev/shm

[ora10gas@prodb1oas02 ~]$ cd /opt

[ora10gas@prodb1oas02 opt]$ ls -altr

total 94536

drwxr-xr-x 2 root root 4096 Jun 6 2013 VMtools

drwx------ 2 root root 16384 Jun 6 2013 lost+found

drwxrwxr-x 6 root root 4096 Jun 6 2013 nsr

-rwxr-xr-x 1 root root 76400708 Jun 7 2013 nete-wa-6qmr5-cr021-linux.bin

dr-xr-xr-x 16 mqm mqm 4096 Jul 17 2013 mqm

drwxrwxr-x 6 mqm mqm 4096 Jul 17 2013 mqjazz

drwxrwxrwx 3 root root 4096 Jul 26 2013 src

drwxrwxr-x 13 ora10gas asinstall 4096 Nov 15 2013 appdata

drwxr-xr-x 24 root root 4096 Nov 21 2013 ..

drwxrwxrwx 6 ora10gas asinstall 4096 Mar 31 2014 oracle

drwxrwxrwx 2 root root 4096 Apr 15 2014 ear

drwxr-xr-x 3 root root 4096 Aug 5 15:25 tivoli

drwxrwxrwx 2 root root 4096 Dec 3 20:13 rfan

-rw-r--r-- 1 root root 10099547 Dec 24 16:03 appdata.tar

drwxrwxrwx 11 ora10gas asinstall 4096 Dec 24 16:10 applogs

drwxr-xr-x 15 root root 4096 Dec 24 17:29 .

-rw-r--r-- 1 root root 10099547 Dec 24 17:29 appdata.20141224.oas02.tgz

drwxr-xr-x 10 landesk landesk 4096 Jan 7 22:53 landesk

[ora10gas@prodb1oas02 opt]$ du -sh *

21M appdata

9.7M appdata.20141224.oas02.tgz

9.7M appdata.tar

7.0G applogs

4.0K ear

du: cannot read directory `landesk/var/cbaroot/broker': Permission denied

40M landesk

du: cannot read directory `lost+found': Permission denied

199M mqjazz

586M mqm

73M nete-wa-6qmr5-cr021-linux.bin

16M nsr

29G oracle

4.0K rfan

4.1G src

du: cannot read directory `tivoli/cit/cache_data/__root': Permission denied

du: cannot read directory `tivoli/cit/install': Permission denied

9.9M tivoli

47M VMtools

[ora10gas@prodb1oas02 opt]$ cd oracle

[ora10gas@prodb1oas02 oracle]$ ls

agent12c as10g01 ohs10g01 stage

[ora10gas@prodb1oas02 oracle]$ du -sh *

3.5G agent12c

24G as10g01

920M ohs10g01

471M stage

[ora10gas@prodb1oas02 oracle]$ cd as10g01

[ora10gas@prodb1oas02 as10g01]$ du -sh *

3.6M ant

20K Apache

4.0K asora.log

880K assistants

676K backup_restore

12M BC4J

11M bin

12K bpel

16K cfgtoollogs

616K chgip

456K clone

108K config

3.4M datadirect

8.0K deconfig

596K diagnostics

1.1M dsa

140K iaspt

100K install

19M inventory

21G j2ee

1016K javacache

1.1M javavm

39M jdbc

141M jdk

104M jdk_old

34M jlib

64M jre

1.7M ldap

71M lib

752K mds

1.5M network

32M nls

1.2M OPatch

2.5G opmn

600K oracore

4.0K oraInst.loc

364K ord

15M oui

1.2M owm

48M perl

1.5M plsql

240K precomp

6.9M rdbms

52K relnotes

4.0K root.sh

8.0K root.sh.old

8.9M rules

16K slax

2.2M sqlj

56K sqlplus

12K srvm

12K sysman

10M toplink

3.6M uix

7.5M webservices

156K xdk

1.1M xqs

/opt/oracle/as10g01

[ora10gas@prodb1oas02 as10g01]$ cd j2ee

/opt/oracle/as10g01/j2ee

[ora10gas@prodb1oas02 j2ee]$ ls

home OC4J_FLUXC01 OC4J_PROD01 OC4J_PRODL02 utilities

OC4J_FLEX01 OC4J_FLUXL01 OC4J_PRODC01 OC4J_QUALITY01

OC4J_FLUX01 oc4j_opmn.xml OC4J_PRODL01 temp

/opt/oracle/as10g01/j2ee

[ora10gas@prodb1oas02 j2ee]$ du -sh *

238M home

543M OC4J_FLEX01

380M OC4J_FLUX01

1.3G OC4J_FLUXC01

2.4G OC4J_FLUXL01

4.0K oc4j_opmn.xml

782M OC4J_PROD01

1.3G OC4J_PRODC01

6.6G OC4J_PRODL01

6.6G OC4J_PRODL02

755M OC4J_QUALITY01

4.0K temp

132K utilities

/opt/oracle/as10g01/j2ee

[ora10gas@prodb1oas02 j2ee]$ cd OC4J_PRODL01

/opt/oracle/as10g01/j2ee/OC4J_PRODL01

[ora10gas@prodb1oas02 OC4J_PRODL01]$ ls

applib applications config log temp

application-deployments bak connectors persistence tldcache

/opt/oracle/as10g01/j2ee/OC4J_PRODL01

[ora10gas@prodb1oas02 OC4J_PRODL01]$ du -sh *

4.0K applib

1.4G application-deployments

4.1G applications

4.0K bak

912K config

656K connectors

1.2G log

3.3M persistence

4.0K temp

92K tldcache

/opt/oracle/as10g01/j2ee/OC4J_PRODL01

[ora10gas@prodb1oas02 OC4J_PRODL01]$ cd applications

/opt/oracle/as10g01/j2ee/OC4J_PRODL01/applications

[ora10gas@prodb1oas02 applications]$ ls

adminprod extprod refprod scoreldt stockprod

adminprod.ear extprod.ear refprod.ear scoreldt.ear stockprod.ear

edbprod order rfidprod scorepdp supportprod

edbprod.ear order.ear rfidprod.ear scorepdp.ear supportprod.ear

epartners pricing scorecapa start

epartners.ear pricing.ear scorecapa.ear start.ear

/opt/oracle/as10g01/j2ee/OC4J_PRODL01/applications

[ora10gas@prodb1oas02 applications]$

磁盘清理/打包压缩/opt hang住