Linux – How to disable LOGS

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My disk space usage is increasing very fast because of the logs. Everyday I get ~1.5 GB log file. How can I disable that?

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Disabling logs is never a good idea. You can use programs like logrotate to rotate your log files if the space is the issue. If you insist on not keeping log files. Please direct your program's log directive to /dev/null

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Linux Hard Disk Load – How to Monitor Hard Disk Load on Linux

You can get a pretty good measure of this using the iostat tool.

% iostat -dx /dev/sda 5

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
sda               0.78    11.03    1.19    2.82    72.98   111.07    45.80     0.13   32.78   1.60   0.64

The disk utilisation is listed in the last column. This is defined as

Percentage of CPU time during which I/O requests were issued to the device (band-width utilization for the device). Device saturation occurs when this value is close to 100%.

Linux Bash – How to Sort du -h Output by Size

As of GNU coreutils 7.5 released in August 2009, sort allows a -h parameter, which allows numeric suffixes of the kind produced by du -h:

du -hs * | sort -h

If you are using a sort that does not support -h, you can install GNU Coreutils. E.g. on an older Mac OS X:

brew install coreutils
du -hs * | gsort -h

From sort manual:

-h, --human-numeric-sort compare human readable numbers (e.g., 2K 1G)

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Related Solutions

Linux Hard Disk Load – How to Monitor Hard Disk Load on Linux

Linux Bash – How to Sort du -h Output by Size

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