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Old 04-23-2010, 02:01 PM   #1
dnaqvi
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find continuously growing files in the file system


How to find continuously growing files in the file system?
 
Old 04-23-2010, 03:55 PM   #2
MensaWater
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Create an empty file with touch:
touch /tmp/testfile

Wait a minute then do a find in the filesystem for any files newer than /tmp/testfile:

find /<filesystem> -newer /tmp/testfile

Last edited by MensaWater; 04-26-2010 at 11:03 AM.
 
Old 04-23-2010, 04:05 PM   #3
Hi_This_is_Dev
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Quote:
Originally Posted by dnaqvi View Post
How to find continuously growing files in the file system?
Well, I am not getting your question thoroughly. I figure out this:

  1. You want to keep an eye on files or logs which are being updated in real-time.

    Code:
    tail -f logFileName
    This gives the real-time view of your (log) file as data are being added to it (appended at the end of it).

    I was asked this question in an interview I appeared in recently. And I forgot the flag "-f" even though I had studied it.

  2. You want to search for files whose size is comparatively larger.

    This shows up storage being used by files and directories:

    Code:
    -sh-3.2$ du -h
    8.0K    ./Mail
    8.0K    ./bin
    8.0K    ./hello
    8.0K    ./.mozilla/plugins
    8.0K    ./.mozilla/extensions
    24K     ./.mozilla
    112K    .
    -sh-3.2$
    Code:
    [root@localhost ~]# du -h bin/
    8.0K    bin/scripts
    216K    bin/
    [root@localhost ~]#

Last edited by Hi_This_is_Dev; 04-23-2010 at 04:07 PM.
 
Old 04-23-2010, 04:13 PM   #4
Hi_This_is_Dev
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Quote:
Originally Posted by MensaWater View Post
Create an empty file with touch:
touch /tmp/testfile

Wait a minute then do a find in the filesystem for any files newer than /tmp/testfile:

find /<filesystem> /tmp/testfile
I just have tried what you suggested to the asker:


Code:
[root@localhost ~]# touch /tmp/test
[root@localhost ~]# ll /tmp/test
-rw-r--r-- 1 root root 0 Apr 24 01:38 /tmp/test
[root@localhost ~]# cal 2008 > /tmp/test2
[root@localhost ~]# find /tmp/ /tmp/test
/tmp/

Output:

Code:
/tmp/orbit-root
/tmp/orbit-root/linc-1790-0-29afaaf0f1854
/tmp/orbit-root/linc-17f3-0-5907431b3f294
/tmp/orbit-root/linc-17f9-0-1ed30d255aed9
/tmp/orbit-root/linc-17f7-0-6ed0d466c14aa
/tmp/orbit-root/linc-17f5-0-59074306174d6
/tmp/orbit-root/linc-180f-0-6773584510b0b
/tmp/orbit-root/linc-1825-0-69f64e894de1f
/tmp/orbit-root/bonobo-activation-register.lock
/tmp/orbit-root/linc-17d5-0-5d50c57cdcfa3
/tmp/orbit-root/linc-180d-0-67fad0f6b3fd9
/tmp/orbit-root/linc-17db-0-34cd848a2b75
/tmp/orbit-root/linc-1806-0-4ff4e8477112c
/tmp/orbit-root/linc-1801-0-a71fe92597f5
/tmp/orbit-root/linc-185e-0-3cdf6335454cd
/tmp/orbit-root/linc-17fd-0-171e788173b5a
/tmp/orbit-root/linc-1828-0-6d4a2e039105d
/tmp/orbit-root/linc-184a-0-2707f601501b9
/tmp/orbit-root/linc-17ed-0-552508f51ec89
/tmp/orbit-root/linc-1843-0-522629c0770b5
/tmp/orbit-root/linc-1818-0-3df5ef3f40461
/tmp/orbit-root/linc-1860-0-3cdf63352e01b
/tmp/orbit-root/linc-185a-0-4bd09e1064533
/tmp/orbit-root/bonobo-activation-server-ior
/tmp/test
/tmp/.X0-lock
/tmp/archive
/tmp/.gdmUH01BV
/tmp/lost+found
/tmp/keyring-LAcNZD
/tmp/keyring-LAcNZD/socket
/tmp/test2
/tmp/gconfd-root
/tmp/gconfd-root/lock
/tmp/gconfd-root/lock/ior
/tmp/loginReport
/tmp/virtual-root.4WvSdA
/tmp/.esd
/tmp/.esd/socket
/tmp/mapping-root
/tmp/.X11-unix
/tmp/.X11-unix/X0
/tmp/virtual-root.AWP4up
/tmp/keyring-MNqrk4
/tmp/keyring-MNqrk4/socket
/tmp/.gdm_socket
/tmp/.font-unix
/tmp/.font-unix/fs7100
/tmp/dev.txt
/tmp/ssh-PVASmx6032
/tmp/ssh-PVASmx6032/agent.6032
/tmp/.ICE-unix
/tmp/.ICE-unix/6032
/tmp/test
[root@localhost ~]#

Well, I didn't get your point. Could you please explain it a little more?
 
Old 04-23-2010, 07:09 PM   #5
dnaqvi
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cronjob

Hello,

OS: Linux

I need to run the files everyday at 11.00 pm (Monday to Friday).

How would I put on cronjob?
I have files ready.

thanks
 
Old 04-26-2010, 05:03 AM   #6
TB0ne
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Quote:
Originally Posted by dnaqvi View Post
Hello,

OS: Linux

I need to run the files everyday at 11.00 pm (Monday to Friday).

How would I put on cronjob?
I have files ready.

thanks
Don't post the same question twice, and don't tack questions onto the bottoms of other threads.
 
Old 04-26-2010, 11:06 AM   #7
MensaWater
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Quote:
Well, I didn't get your point. Could you please explain it a little more?
Oops - There should have been a "-newer" flag in the find. I've edited my original post to have that. Thanks for pointing it out.

The idea is that testfile will have the current time/date on it. When you run the find command 1 minute later it will show you only those files that have updated since you created testfile so it should be easy to determine which ones are growing simply by monitoring those.

Note that <directory> could be anything: /var, /, /usr, /usr/local/bin, /usr/lib, /var/log etc...
 
Old 04-26-2010, 03:12 PM   #8
Hi_This_is_Dev
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Quote:
Originally Posted by MensaWater View Post
Oops - There should have been a "-newer" flag in the find. I've edited my original post to have that. Thanks for pointing it out.

The idea is that testfile will have the current time/date on it. When you run the find command 1 minute later it will show you only those files that have updated since you created testfile so it should be easy to determine which ones are growing simply by monitoring those.

Note that <directory> could be anything: /var, /, /usr, /usr/local/bin, /usr/lib, /var/log etc...

Thanks for the update!That works fine now. However, . [the current directory] is also included in the result as shown below:

Code:
[root@devarishi ~]# find .  -newer ./test
.
./2
./123
./1
[root@devarishi ~]#

We can exclude the . directory by this method:


Code:
[root@devarishi ~]# find . -newer ./test
.
./c
./hell
[root@devarishi ~]# find . -newer ./test | tail -n +2
./c
./hell
[root@devarishi ~]#
 
  


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