Linux system disk space Full cleanup method

Because the original installation system design is unreasonable, some zoning is too small, as well as network communication failures and other causes of log file speed growth and other reasons can be displayed as disk space full, resulting in the inability to read and write the disk, the application can not execute. Here are a few tips for you (take/home space full as an example).

1. Regular scanning of important file systems, and comparison, analysis of those documents often read and write

#IS-ir/home>;files.txt

#diff Filesold.txt Files.txt

By analyzing the growth of the predicted space, you can also consider compressing the infrequently read and write files to reduce space usage.

2. View the inodes consumption of the space file system

#df-i/home

If there are a large number of inpde available, indicating that large files occupy space, no thief may be a large number of small files occupy space.

3. Find a large footprint directory

View space occupied by/home

#du-hs/home

View footprint over 1000m under/home

#du/awk ' $1>;2000 '

4. Find a document that occupies a larger space

#find/home-size +2000k

5. Find the most recently modified or created file

First touch a file with the time you want as follows

#TOUCH-T 08190800 Test

#find/home-newer Test-print

Delete Log

#rm-rf/var/log/*

6. Make connections to partitions

In a space partition, make a connection to an empty partition

#in-s/home/use/home

7. Find a process that consumes a lot of space

According to the different application, find the corresponding process, analyze the reason.