Re: [1/2OT] how to delete ??? file

2013-01-19 Thread lina
On Sunday 20,January,2013 04:33 AM, cr...@gtek.biz wrote:
> On Saturday, January 19, 2013 10:33, "lina"  said:
> 
> Yes, in my home directory. The path is /home/lina/try
>
>>> -? ? ? ? ?? XX.tar
>>
>>> But it looks more to me as if this files are somehow
>>> corrupted. Did you fsck this file-system lately ?
> 
> Hi Lina
> 
> Excuse me for replying to this message, I've managed to lose your first
> post. This is most likely not a corrupt file system, but rather it is 
> probably the result of lack of execute permission on the directory. You
> can recreate it thusly: 
> 
> $ cd /tmp
> $ mkdir test
> $ export looptest=0
> $ while [ $looptest -le 10 ]
>   do
>  touch test/test$looptest
>  loop=`expr $looptest + 1`
>   done
> 
> $ ls -l test
> total 0
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test0
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test1
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test10
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test2
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test3
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test4
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test5
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test6
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test7
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test8
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test9
> 
> $ chmod 644 test
> 
> $ ls -l test
> ls: cannot access test/test3: Permission denied
> ls: cannot access test/test1: Permission denied
> ls: cannot access test/test5: Permission denied
> ls: cannot access test/test10: Permission denied
> ls: cannot access test/test6: Permission denied
> ls: cannot access test/test8: Permission denied
> ls: cannot access test/test9: Permission denied
> ls: cannot access test/test2: Permission denied
> ls: cannot access test/test0: Permission denied
> ls: cannot access test/test4: Permission denied
> ls: cannot access test/test7: Permission denied
> total 0
> -? ? ? ? ?? test0
> -? ? ? ? ?? test1
> -? ? ? ? ?? test10
> -? ? ? ? ?? test2
> -? ? ? ? ?? test3
> -? ? ? ? ?? test4
> -? ? ? ? ?? test5
> -? ? ? ? ?? test6
> -? ? ? ? ?? test7
> -? ? ? ? ?? test8
> -? ? ? ? ?? test9
> 
> $ rm -f test/*
> rm: cannot remove `test/test0': Permission denied
> rm: cannot remove `test/test1': Permission denied
> rm: cannot remove `test/test10': Permission denied
> rm: cannot remove `test/test2': Permission denied
> rm: cannot remove `test/test3': Permission denied
> rm: cannot remove `test/test4': Permission denied
> rm: cannot remove `test/test5': Permission denied
> rm: cannot remove `test/test6': Permission denied
> rm: cannot remove `test/test7': Permission denied
> rm: cannot remove `test/test8': Permission denied
> rm: cannot remove `test/test9': Permission denied
> 
> $ chmod 755 test
> 
> $ ls -l test
> total 0
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test0
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test1
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test10
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test2
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test3
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test4
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test5
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test6
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test7
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test8
> -rw-r--r-- 1 craig craig 0 Jan 19 13:50 test9
> 
> $ rm -f test/*
> 
> $ ls -l test
> total 0
> 
> This is a result of needing directory execute permission in order
> to traverse the directory.

Ha ... interesting. Indeed, thanks.

> 
> 
> Sent - Gtek Web Mail
> 
> 


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Re: [1/2OT] how to delete ??? file

2013-01-19 Thread craig
On Saturday, January 19, 2013 14:33, cr...@gtek.biz said:

> On Saturday, January 19, 2013 10:33, "lina"  said:
> 
> Yes, in my home directory. The path is /home/lina/try
>
>>> -? ? ? ? ?? XX.tar
>>
>>> But it looks more to me as if this files are somehow
>>> corrupted. Did you fsck this file-system lately ?
> 
> Hi Lina
> 
> Excuse me for replying to this message, I've managed to lose your first
> post. This is most likely not a corrupt file system, but rather it is
> probably the result of lack of execute permission on the directory. You
> can recreate it thusly:
> 
> $ cd /tmp
> $ mkdir test
> $ export looptest=0
> $ while [ $looptest -le 10 ]
>   do
>  touch test/test$looptest
>  loop=`expr $looptest + 1`
>   done

*sigh*
The above loop is an infinite loop. The line
   "loop=`expr $looptest + 1"
should read
   "looptest=`expr $looptest + 1"

I used "loop" as the variable name in my testing, and I copied that to my
original reply, but after copying it I decided to change the name because
looptest would be less likely to have been already defined. In trying to avoid
confusion I succeeded in creating it. Just hasn't been my day.

Apologies.


Sent - Gtek Web Mail



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Re: [1/2OT] how to delete ??? file

2013-01-19 Thread craig
On Saturday, January 19, 2013 10:33, "lina"  said:

 Yes, in my home directory. The path is /home/lina/try

>> -? ? ? ? ?? XX.tar
>
>> But it looks more to me as if this files are somehow
>> corrupted. Did you fsck this file-system lately ?

Hi Lina

Excuse me for replying to this message, I've managed to lose your first
post. This is most likely not a corrupt file system, but rather it is 
probably the result of lack of execute permission on the directory. You
can recreate it thusly: 

$ cd /tmp
$ mkdir test
$ export looptest=0
$ while [ $looptest -le 10 ]
  do
 touch test/test$looptest
 loop=`expr $looptest + 1`
  done

$ ls -l test
total 0
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test0
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test1
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test10
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test2
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test3
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test4
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test5
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test6
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test7
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test8
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test9

$ chmod 644 test

$ ls -l test
ls: cannot access test/test3: Permission denied
ls: cannot access test/test1: Permission denied
ls: cannot access test/test5: Permission denied
ls: cannot access test/test10: Permission denied
ls: cannot access test/test6: Permission denied
ls: cannot access test/test8: Permission denied
ls: cannot access test/test9: Permission denied
ls: cannot access test/test2: Permission denied
ls: cannot access test/test0: Permission denied
ls: cannot access test/test4: Permission denied
ls: cannot access test/test7: Permission denied
total 0
-? ? ? ? ?? test0
-? ? ? ? ?? test1
-? ? ? ? ?? test10
-? ? ? ? ?? test2
-? ? ? ? ?? test3
-? ? ? ? ?? test4
-? ? ? ? ?? test5
-? ? ? ? ?? test6
-? ? ? ? ?? test7
-? ? ? ? ?? test8
-? ? ? ? ?? test9

$ rm -f test/*
rm: cannot remove `test/test0': Permission denied
rm: cannot remove `test/test1': Permission denied
rm: cannot remove `test/test10': Permission denied
rm: cannot remove `test/test2': Permission denied
rm: cannot remove `test/test3': Permission denied
rm: cannot remove `test/test4': Permission denied
rm: cannot remove `test/test5': Permission denied
rm: cannot remove `test/test6': Permission denied
rm: cannot remove `test/test7': Permission denied
rm: cannot remove `test/test8': Permission denied
rm: cannot remove `test/test9': Permission denied

$ chmod 755 test

$ ls -l test
total 0
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test0
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test1
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test10
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test2
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test3
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test4
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test5
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test6
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test7
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test8
-rw-r--r-- 1 craig craig 0 Jan 19 13:50 test9

$ rm -f test/*

$ ls -l test
total 0

This is a result of needing directory execute permission in order
to traverse the directory.


Sent - Gtek Web Mail



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Re: [1/2OT] how to delete ??? file

2013-01-19 Thread tv.deb...@googlemail.com
## Transferring back to the list since i received this personally, and 
## I am not the OP


On 19/01/2013 19:12, pavicic wrote:


Hi,


-? ? ? ? ?? XX.tar



I wonder how can I delete it?




I've just come accross this. Didn't read the history.
Thought the following might help.

Such orphan files appeared on my cluster when the
system failed to close the files that were generated
by massive calculations.

I succeeded in deleting them via mc (Midgnight Commander).
In mc, I was also able to see some more details than on
the command line.

M.




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Re: [1/2OT] how to delete ??? file

2013-01-19 Thread tv.deb...@googlemail.com

On 19/01/2013 17:33, lina wrote:

On Sunday 20,January,2013 12:28 AM, tv.deb...@googlemail.com wrote:

On 19/01/2013 14:31, Martin Steigerwald wrote:

Hi Lina,

Am Freitag, 18. Januar 2013 schrieb lina:

   >   Where is that directory located? In your home directory?

Yes, in my home directory. The path is /home/lina/try


-? ? ? ? ?? XX.tar


I imagine it could also be a subtile lack of access rights (SELinux
possibly?), but usually I would suspect a message about it then.


Yes, it has SELinux.


Might be related, but I am not deeply enough into it.


I wonder how can I delete it?


Are you sure that it is a good idea to try to delete something were you
at least partly have no access rights to and then as it appears don´t
know how it happened to be there in the first place?

If thats the monster box I´d contact your system administrator about it
:).


It's well maintained, at least far better than other boxes I met before.
Just it might be my fault, long long time ago, I might chmod blindly at
that time.


Monster box was related to the hardware equipment, not the
administration :)


Also be careful on what possibly private information you disclose here
to the public. As interested as I would be to have some access to such
a box :)


How? btw, please feel free to help me delete this directory if you
access to it.


what happens on

chmod u+rwx /home/lina/try

What does

find /home/lina/try -ls

say then?

If -ls in find does not work try:

find /home/lina/try -exec ls -ld {} \;

Thanks,


Hi,

regarding SELinux attributes you can use the "-Z" ("--context") ls
option to find out, and remount /home without ACL if necessary (or use
"setfacl -b"). But it looks more to me as if this files are somehow
corrupted. Did you fsck this file-system lately ?




$ fsck -c
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
/dev/mapper/vg_mars-lv_root is mounted.

WARNING!!!  The filesystem is mounted.   If you continue you ***WILL***
cause ***SEVERE*** filesystem damage.

Do you really want to continue (y/n)? no

check aborted.

$ fsck -n
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
Warning!  /dev/mapper/vg_mars-lv_root is mounted.
fsck.ext4: Permission denied while trying to open
/dev/mapper/vg_mars-lv_root
You must have r/o access to the filesystem or be root


There are some other distracting message in dmesg, like:

CIFS VFS: Send error in SessSetup = -13
Status code returned 0xc06a NT_STATUS_WRONG_PASSWORD
CIFS VFS: Send error in SessSetup = -13
mdrun_mpi[945]: segfault at 1fe7360 ip 007df9b9 sp
7fffdf9ffef0 error 4 in mdrun_mpi[40+48]


Thanks,





Sorry, I wrongly assumed you were familiar with fsck, you can't check a 
mounted file-system. The error messages are normal, fsck won't proceed 
for very good reasons if the file-system is mounted.
CIFS errors are just what it says: wrong password. Looks like someone 
tried to mount a samba share with wrong credentials.

"mdrun_mpi"  is some executable which is segfaulting.

A corrupt file-system could generate such cascading errors, but they 
could also be unrelated. Anyway this system needs some serious attention 
from root !



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Re: [1/2OT] how to delete ??? file

2013-01-19 Thread lina
On Sunday 20,January,2013 12:28 AM, tv.deb...@googlemail.com wrote:
> On 19/01/2013 14:31, Martin Steigerwald wrote:
>> Hi Lina,
>>
>> Am Freitag, 18. Januar 2013 schrieb lina:
>>>   >  Where is that directory located? In your home directory?
>>>
>>> Yes, in my home directory. The path is /home/lina/try
>>>
> -? ? ? ? ?? XX.tar

 I imagine it could also be a subtile lack of access rights (SELinux
 possibly?), but usually I would suspect a message about it then.
>>>
>>> Yes, it has SELinux.
>>
>> Might be related, but I am not deeply enough into it.
>>
> I wonder how can I delete it?

 Are you sure that it is a good idea to try to delete something were you
 at least partly have no access rights to and then as it appears don´t
 know how it happened to be there in the first place?

 If thats the monster box I´d contact your system administrator about it
 :).
>>>
>>> It's well maintained, at least far better than other boxes I met before.
>>> Just it might be my fault, long long time ago, I might chmod blindly at
>>> that time.
>>
>> Monster box was related to the hardware equipment, not the
>> administration :)
>>
 Also be careful on what possibly private information you disclose here
 to the public. As interested as I would be to have some access to such
 a box :)
>>>
>>> How? btw, please feel free to help me delete this directory if you
>>> access to it.
>>
>> what happens on
>>
>> chmod u+rwx /home/lina/try
>>
>> What does
>>
>> find /home/lina/try -ls
>>
>> say then?
>>
>> If -ls in find does not work try:
>>
>> find /home/lina/try -exec ls -ld {} \;
>>
>> Thanks,
> 
> Hi,
> 
> regarding SELinux attributes you can use the "-Z" ("--context") ls
> option to find out, and remount /home without ACL if necessary (or use
> "setfacl -b"). But it looks more to me as if this files are somehow
> corrupted. Did you fsck this file-system lately ?
> 
> 

$ fsck -c
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
/dev/mapper/vg_mars-lv_root is mounted.

WARNING!!!  The filesystem is mounted.   If you continue you ***WILL***
cause ***SEVERE*** filesystem damage.

Do you really want to continue (y/n)? no

check aborted.

$ fsck -n
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
Warning!  /dev/mapper/vg_mars-lv_root is mounted.
fsck.ext4: Permission denied while trying to open
/dev/mapper/vg_mars-lv_root
You must have r/o access to the filesystem or be root


There are some other distracting message in dmesg, like:

CIFS VFS: Send error in SessSetup = -13
Status code returned 0xc06a NT_STATUS_WRONG_PASSWORD
CIFS VFS: Send error in SessSetup = -13
mdrun_mpi[945]: segfault at 1fe7360 ip 007df9b9 sp
7fffdf9ffef0 error 4 in mdrun_mpi[40+48]


Thanks,



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Re: [1/2OT] how to delete ??? file

2013-01-19 Thread tv.deb...@googlemail.com

On 19/01/2013 14:31, Martin Steigerwald wrote:

Hi Lina,

Am Freitag, 18. Januar 2013 schrieb lina:

  >  Where is that directory located? In your home directory?

Yes, in my home directory. The path is /home/lina/try


-? ? ? ? ?? XX.tar


I imagine it could also be a subtile lack of access rights (SELinux
possibly?), but usually I would suspect a message about it then.


Yes, it has SELinux.


Might be related, but I am not deeply enough into it.


I wonder how can I delete it?


Are you sure that it is a good idea to try to delete something were you
at least partly have no access rights to and then as it appears don´t
know how it happened to be there in the first place?

If thats the monster box I´d contact your system administrator about it
:).


It's well maintained, at least far better than other boxes I met before.
Just it might be my fault, long long time ago, I might chmod blindly at
that time.


Monster box was related to the hardware equipment, not the administration :)


Also be careful on what possibly private information you disclose here
to the public. As interested as I would be to have some access to such
a box :)


How? btw, please feel free to help me delete this directory if you
access to it.


what happens on

chmod u+rwx /home/lina/try

What does

find /home/lina/try -ls

say then?

If -ls in find does not work try:

find /home/lina/try -exec ls -ld {} \;

Thanks,


Hi,

regarding SELinux attributes you can use the "-Z" ("--context") ls 
option to find out, and remount /home without ACL if necessary (or use 
"setfacl -b"). But it looks more to me as if this files are somehow 
corrupted. Did you fsck this file-system lately ?



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Re: [1/2OT] how to delete ??? file

2013-01-19 Thread Martin Steigerwald
Hi Lina,

Am Freitag, 18. Januar 2013 schrieb lina:
>  > Where is that directory located? In your home directory?
> 
> Yes, in my home directory. The path is /home/lina/try
> 
> >> -? ? ? ? ?? XX.tar
> > 
> > I imagine it could also be a subtile lack of access rights (SELinux
> > possibly?), but usually I would suspect a message about it then.
> 
> Yes, it has SELinux.

Might be related, but I am not deeply enough into it.

> >> I wonder how can I delete it?
> > 
> > Are you sure that it is a good idea to try to delete something were you
> > at least partly have no access rights to and then as it appears don´t
> > know how it happened to be there in the first place?
> > 
> > If thats the monster box I´d contact your system administrator about it
> > :).
> 
> It's well maintained, at least far better than other boxes I met before.
> Just it might be my fault, long long time ago, I might chmod blindly at
> that time.

Monster box was related to the hardware equipment, not the administration :)

> > Also be careful on what possibly private information you disclose here
> > to the public. As interested as I would be to have some access to such
> > a box :)
> 
> How? btw, please feel free to help me delete this directory if you
> access to it.

what happens on

chmod u+rwx /home/lina/try

What does

find /home/lina/try -ls

say then?

If -ls in find does not work try:

find /home/lina/try -exec ls -ld {} \;

Thanks,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7


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RE: [1/2OT] how to delete ??? file

2013-01-18 Thread Mark Allums
> On Fri, Jan 18, 2013 at 08:48:10PM +0800, lina wrote:
> >
> > It's well maintained, at least far better than other boxes I met before.
> > Just it might be my fault, long long time ago, I might chmod blindly at
> > that time.
> 
> I thought of chmod, so why not just try chmod/chown back? You might
> still get "permission denied" though.


Directories must be marked executable to be used properly.  Even root has to
deal with that.  My guess is that a corrupted filesystem combined with a
directory not set with the +x flag is the problem.  Succeeding at deleting
the directory may not have completely solved the problem.  I think it needs
an fsck.  The difficulty is that on big iron, dismounting a fs may be
difficult, and rebooting impossible.  Tell your sysadmin and let them make
the decision.  They probably ought to know.




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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread Chris Bannister
On Fri, Jan 18, 2013 at 08:48:10PM +0800, lina wrote:
> 
> It's well maintained, at least far better than other boxes I met before.
> Just it might be my fault, long long time ago, I might chmod blindly at
> that time.

I thought of chmod, so why not just try chmod/chown back? You might
still get "permission denied" though.

-- 
"If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the 
oppressing." --- Malcolm X


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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread Stan Hoeppner
On 1/18/2013 6:37 AM, lina wrote:

> It is my /home/lina/try directory.
> 
> Honest speaking, I even didn't know when it showed up. And for those
> files inside, it looks so strange for me. might some Fortran code? or
> something.
> 
> $ cd try/
> -bash: cd: try/: Permission denied
> 
> I don't feel so comfortable to disturb the root, so second thought, I
> will keep this directory since I can't delete.
> 
> Any further suggestions are still highly appreciated.

Lina, read the introduction documentation you were given or pointed to
when you received your account.  Read the MOTD when you login each day.
 Read your mail on the system.  There should be no 'surprises' in an HPC
environment.  There should be ample documentation available to you.
Most HPC sites have a website with user resource information covering
all these things.

Note:  using this box has very little in common with your Linux laptop
once you get under the hood.

-- 
Stan


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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread lina
By accident I deleted it.

The process is like this:

1] $ ls -lrt try/
ls: cannot access try/STEPS: Permission denied
-? ? ? ? ?? XX.tar

2] $ ls -lrt
total 3640
drw-rw-r--. 2 lina lina4096 Oct 13 23:31 try

3] $ rm -rf try/
rm: cannot remove `try/STEPS': Permission denied

4] chmod +x try

5] rm -r try/

It works.

Thanks,


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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread David Goodenough
On Friday 18 Jan 2013, lina wrote:
> On Friday 18,January,2013 08:26 PM, Martin Steigerwald wrote:
> > Am Freitag, 18. Januar 2013 schrieb Doug:
> >> On 01/18/2013 12:29 AM, lina wrote:
> >>> Hi,
> >>> 
> >>> I don't know from where jump out a directory with following info.
> >>> 
> >>> $ ls -lrt try/
> >>> ls: cannot access try/STEPS: Permission denied
> >>> ls: cannot access try/test_xtc2pdb.f: Permission denied
> >>> ls: cannot access try/18059-18059.xtc: Permission denied
> >>> ls: cannot access try/read_xtc_main.f: Permission denied
> >>> ls: cannot access try/PARA: Permission denied
> >>> ls: cannot access try/fort.21: Permission denied
> >>> ls: cannot access try/CA-ch1.ndx: Permission denied
> >>> ls: cannot access try/CA.ndx: Permission denied
> >>> ls: cannot access try/Makefile: Permission denied
> >>> -? ? ? ? ?? XX.tar
> >>> -? ? ? ? ?? try.pdb
> >>> -? ? ? ? ?? try-c.pdb
> >>> -? ? ? ? ?? test_xtc2pdb.f
> >>> -? ? ? ? ?? SUB_UTILITY.o
> >>> -? ? ? ? ?? SUB_UTILITY.f
> > 
> > […]
> > 
> >>> I wonder how can I delete it?
> >> 
> >> What happens if you do rm -rf /try from root?
> >> (I/m not all that familiar with Deb, but you must
> >> have some way to get admin permission, if you
> >> are the owner of the install. su  or perhaps sudo.)
> > 
> > Careful:
> > 
> > 1) From the above output it it not certain the the directory is in /.
> 
> It is my /home/lina/try directory.
> 
> Honest speaking, I even didn't know when it showed up. And for those
> files inside, it looks so strange for me. might some Fortran code? or
> something.
> 
> $ cd try/
> -bash: cd: try/: Permission denied
> 
> I don't feel so comfortable to disturb the root, so second thought, I
> will keep this directory since I can't delete.
> 
> Any further suggestions are still highly appreciated.
> 
> Best regards,
> 
> > 2) And no its not cool to insert -rf into rm by default. Modern linux
> > filesystems on modern storage can delete several thousands files a
> > second! So if you just wanted to delete a file and you added rm -rf,
> > just cause you think you are Linux ubergeek, and then by mistake you
> > gave rm a directory… well farewell to your data.
> > 
> > 
> > So first think, then only if really necessary use rm -rf or kill -9.
> > 
> > Ciao,
You could try using lsattr.  For almost all normal files/dirs all the attr
listed should be "-".  There may be a few directories with the I attr
(which means it is an indexed directory) so don't worry about those.

David


Re: [1/2OT] how to delete ??? file

2013-01-18 Thread CaT
On Fri, Jan 18, 2013 at 01:29:35PM +0800, lina wrote:
> -? ? ? ? ?? XX.tar
> -? ? ? ? ?? try.pdb
> -? ? ? ? ?? try-c.pdb
> -? ? ? ? ?? test_xtc2pdb.f
> -? ? ? ? ?? SUB_UTILITY.o
> -? ? ? ? ?? SUB_UTILITY.f
...
> 
> I wonder how can I delete it?

I'd say your filesystem is corrupted more than anything. It's not rm
you want. It's fsck.

-- 
  "A search of his car uncovered pornography, a homemade sex aid, women's 
  stockings and a Jack Russell terrier."
- 
http://www.dailytelegraph.com.au/news/wacky/indeed/story-e6frev20-118083480


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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread lina
 > Where is that directory located? In your home directory?

Yes, in my home directory. The path is /home/lina/try

>> -? ? ? ? ?? XX.tar
> 
> I imagine it could also be a subtile lack of access rights (SELinux 
> possibly?), but usually I would suspect a message about it then.

Yes, it has SELinux.

> 
>> I wonder how can I delete it?
> 
> Are you sure that it is a good idea to try to delete something were you at 
> least partly have no access rights to and then as it appears don´t know how 
> it happened to be there in the first place?
> 
> If thats the monster box I´d contact your system administrator about it :).

It's well maintained, at least far better than other boxes I met before.
Just it might be my fault, long long time ago, I might chmod blindly at
that time.

> 
> Also be careful on what possibly private information you disclose here to 
> the public. As interested as I would be to have some access to such a box :)

How? btw, please feel free to help me delete this directory if you
access to it.
> 
> Ciao,



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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread Ralf Mardorf
On Fri, 18 Jan 2013 13:26:56 +0100, Martin Steigerwald  
 wrote:

Am Freitag, 18. Januar 2013 schrieb Doug:

On 01/18/2013 12:29 AM, lina wrote:
> Hi,
>
> I don't know from where jump out a directory with following info.
>
> $ ls -lrt try/
> ls: cannot access try/STEPS: Permission denied
> ls: cannot access try/test_xtc2pdb.f: Permission denied
> ls: cannot access try/18059-18059.xtc: Permission denied
> ls: cannot access try/read_xtc_main.f: Permission denied
> ls: cannot access try/PARA: Permission denied
> ls: cannot access try/fort.21: Permission denied
> ls: cannot access try/CA-ch1.ndx: Permission denied
> ls: cannot access try/CA.ndx: Permission denied
> ls: cannot access try/Makefile: Permission denied
> -? ? ? ? ?? XX.tar
> -? ? ? ? ?? try.pdb
> -? ? ? ? ?? try-c.pdb
> -? ? ? ? ?? test_xtc2pdb.f
> -? ? ? ? ?? SUB_UTILITY.o
> -? ? ? ? ?? SUB_UTILITY.f

[…]

> I wonder how can I delete it?



What happens if you do rm -rf /try from root?
(I/m not all that familiar with Deb, but you must
have some way to get admin permission, if you
are the owner of the install. su  or perhaps sudo.)


Careful:

1) From the above output it it not certain the the directory is in /.

2) And no its not cool to insert -rf into rm by default. Modern linux
filesystems on modern storage can delete several thousands files a  
second! So

if you just wanted to delete a file and you added rm -rf, just cause you
think you are Linux ubergeek, and then by mistake you gave rm a  
directory…

well farewell to your data.


So first think, then only if really necessary use rm -rf or kill -9.

Ciao,


"$" vs "#". The user isn't root. The position of the "/" seems to be a  
typo.
The OP now is warned to be careful and to verify information, before doing  
what's recommended.



--
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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread lina
On Friday 18,January,2013 08:26 PM, Martin Steigerwald wrote:
> Am Freitag, 18. Januar 2013 schrieb Doug:
>> On 01/18/2013 12:29 AM, lina wrote:
>>> Hi,
>>>
>>> I don't know from where jump out a directory with following info.
>>>
>>> $ ls -lrt try/
>>> ls: cannot access try/STEPS: Permission denied
>>> ls: cannot access try/test_xtc2pdb.f: Permission denied
>>> ls: cannot access try/18059-18059.xtc: Permission denied
>>> ls: cannot access try/read_xtc_main.f: Permission denied
>>> ls: cannot access try/PARA: Permission denied
>>> ls: cannot access try/fort.21: Permission denied
>>> ls: cannot access try/CA-ch1.ndx: Permission denied
>>> ls: cannot access try/CA.ndx: Permission denied
>>> ls: cannot access try/Makefile: Permission denied
>>> -? ? ? ? ?? XX.tar
>>> -? ? ? ? ?? try.pdb
>>> -? ? ? ? ?? try-c.pdb
>>> -? ? ? ? ?? test_xtc2pdb.f
>>> -? ? ? ? ?? SUB_UTILITY.o
>>> -? ? ? ? ?? SUB_UTILITY.f
> […]
>>> I wonder how can I delete it?
> 
>> What happens if you do rm -rf /try from root?
>> (I/m not all that familiar with Deb, but you must
>> have some way to get admin permission, if you
>> are the owner of the install. su  or perhaps sudo.)
> 
> Careful:
> 
> 1) From the above output it it not certain the the directory is in /.

It is my /home/lina/try directory.

Honest speaking, I even didn't know when it showed up. And for those
files inside, it looks so strange for me. might some Fortran code? or
something.

$ cd try/
-bash: cd: try/: Permission denied

I don't feel so comfortable to disturb the root, so second thought, I
will keep this directory since I can't delete.

Any further suggestions are still highly appreciated.

Best regards,

> 
> 2) And no its not cool to insert -rf into rm by default. Modern linux 
> filesystems on modern storage can delete several thousands files a second! So 
> if you just wanted to delete a file and you added rm -rf, just cause you 
> think you are Linux ubergeek, and then by mistake you gave rm a directory… 
> well farewell to your data.
> 
> 
> So first think, then only if really necessary use rm -rf or kill -9.
> 
> Ciao,


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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread Martin Steigerwald
Am Freitag, 18. Januar 2013 schrieb lina:
> Hi,

Hi Lina,

> I don't know from where jump out a directory with following info.
> 
> $ ls -lrt try/

Where is that directory located? In your home directory?

> ls: cannot access try/STEPS: Permission denied
> ls: cannot access try/test_xtc2pdb.f: Permission denied
> ls: cannot access try/18059-18059.xtc: Permission denied
>
> ls: cannot access try/read_xtc_main.f: Permission denied
> ls: cannot access try/PARA: Permission denied
> ls: cannot access try/fort.21: Permission denied
> ls: cannot access try/CA-ch1.ndx: Permission denied
> ls: cannot access try/CA.ndx: Permission denied
> ls: cannot access try/Makefile: Permission denied

Well that tells you that as the user you are you may not access the file.
It might be that you still have write access to it.

> -? ? ? ? ?? XX.tar
> -? ? ? ? ?? try.pdb
> -? ? ? ? ?? try-c.pdb
> -? ? ? ? ?? test_xtc2pdb.f

That may (!) be a sign of filesystem corruption.

I imagine it could also be a subtile lack of access rights (SELinux 
possibly?), but usually I would suspect a message about it then.

> I wonder how can I delete it?

Are you sure that it is a good idea to try to delete something were you at 
least partly have no access rights to and then as it appears don´t know how 
it happened to be there in the first place?

If thats the monster box I´d contact your system administrator about it :).

Also be careful on what possibly private information you disclose here to 
the public. As interested as I would be to have some access to such a box :)

Ciao,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7


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Re: [1/2OT] how to delete ??? file

2013-01-18 Thread Martin Steigerwald
Am Freitag, 18. Januar 2013 schrieb Doug:
> On 01/18/2013 12:29 AM, lina wrote:
> > Hi,
> > 
> > I don't know from where jump out a directory with following info.
> > 
> > $ ls -lrt try/
> > ls: cannot access try/STEPS: Permission denied
> > ls: cannot access try/test_xtc2pdb.f: Permission denied
> > ls: cannot access try/18059-18059.xtc: Permission denied
> > ls: cannot access try/read_xtc_main.f: Permission denied
> > ls: cannot access try/PARA: Permission denied
> > ls: cannot access try/fort.21: Permission denied
> > ls: cannot access try/CA-ch1.ndx: Permission denied
> > ls: cannot access try/CA.ndx: Permission denied
> > ls: cannot access try/Makefile: Permission denied
> > -? ? ? ? ?? XX.tar
> > -? ? ? ? ?? try.pdb
> > -? ? ? ? ?? try-c.pdb
> > -? ? ? ? ?? test_xtc2pdb.f
> > -? ? ? ? ?? SUB_UTILITY.o
> > -? ? ? ? ?? SUB_UTILITY.f
[…]
> > I wonder how can I delete it?

> What happens if you do rm -rf /try from root?
> (I/m not all that familiar with Deb, but you must
> have some way to get admin permission, if you
> are the owner of the install. su  or perhaps sudo.)

Careful:

1) From the above output it it not certain the the directory is in /.

2) And no its not cool to insert -rf into rm by default. Modern linux 
filesystems on modern storage can delete several thousands files a second! So 
if you just wanted to delete a file and you added rm -rf, just cause you 
think you are Linux ubergeek, and then by mistake you gave rm a directory… 
well farewell to your data.


So first think, then only if really necessary use rm -rf or kill -9.

Ciao,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7


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Re: [1/2OT] how to delete ??? file

2013-01-17 Thread Stan Hoeppner
On 1/17/2013 11:57 PM, Doug wrote:

> What happens if you do rm -rf /try from root?
> (I/m not all that familiar with Deb, but you must
> have some way to get admin permission, if you
> are the owner of the install. su  or perhaps sudo.)

If this pertains to the 8-way box, it's not running Debian, but RHEL
(though that shouldn't make any difference WTF the above).  And the way
things appear, it seems likely she'll never have root access to this box.

-- 
Stan


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Re: [1/2OT] how to delete ??? file

2013-01-17 Thread lina
On Friday 18,January,2013 01:57 PM, Doug wrote:
> On 01/18/2013 12:29 AM, lina wrote:
>> Hi,
>>
>> I don't know from where jump out a directory with following info.
>>
>> $ ls -lrt try/
>> ls: cannot access try/STEPS: Permission denied
>> ls: cannot access try/test_xtc2pdb.f: Permission denied
>> ls: cannot access try/18059-18059.xtc: Permission denied
>> ls: cannot access try/read_xtc_main.f: Permission denied
>> ls: cannot access try/PARA: Permission denied
>> ls: cannot access try/fort.21: Permission denied
>> ls: cannot access try/CA-ch1.ndx: Permission denied
>> ls: cannot access try/CA.ndx: Permission denied
>> ls: cannot access try/Makefile: Permission denied
>> -? ? ? ? ?? XX.tar
>> -? ? ? ? ?? try.pdb
>> -? ? ? ? ?? try-c.pdb
>> -? ? ? ? ?? test_xtc2pdb.f
>> -? ? ? ? ?? SUB_UTILITY.o
>> -? ? ? ? ?? SUB_UTILITY.f
>> -? ? ? ? ?? SUB_READ.o
>> -? ? ? ? ?? SUB_READ.f
>> -? ? ? ? ?? STEPS
>> -? ? ? ? ?? rs.o
>> -? ? ? ? ?? rs.f
>> -? ? ? ? ?? read_xtc_main.o
>> -? ? ? ? ?? read_xtc_main.f
>> -? ? ? ? ?? READ_IND.f
>> -? ? ? ? ?? PARA
>> -? ? ? ? ?? Makefile
>> -? ? ? ? ?? libxdrf.a
>> -? ? ? ? ?? index.ndx
>> -? ? ? ? ?? fort.21
>> -? ? ? ? ?? fort.20
>>
>> I wonder how can I delete it?
>>
>> Thanks with best regards,
>>
>>
> What happens if you do rm -rf /try from root?
> (I/m not all that familiar with Deb, but you must
> have some way to get admin permission, if you
> are the owner of the install. su  or perhaps sudo.)

Thanks, perhaps I will ask root to remove it, I don't have the privileges.

> 
> --doug
> 
> 


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Re: [1/2OT] how to delete ??? file

2013-01-17 Thread Doug

On 01/18/2013 12:29 AM, lina wrote:

Hi,

I don't know from where jump out a directory with following info.

$ ls -lrt try/
ls: cannot access try/STEPS: Permission denied
ls: cannot access try/test_xtc2pdb.f: Permission denied
ls: cannot access try/18059-18059.xtc: Permission denied
ls: cannot access try/read_xtc_main.f: Permission denied
ls: cannot access try/PARA: Permission denied
ls: cannot access try/fort.21: Permission denied
ls: cannot access try/CA-ch1.ndx: Permission denied
ls: cannot access try/CA.ndx: Permission denied
ls: cannot access try/Makefile: Permission denied
-? ? ? ? ?? XX.tar
-? ? ? ? ?? try.pdb
-? ? ? ? ?? try-c.pdb
-? ? ? ? ?? test_xtc2pdb.f
-? ? ? ? ?? SUB_UTILITY.o
-? ? ? ? ?? SUB_UTILITY.f
-? ? ? ? ?? SUB_READ.o
-? ? ? ? ?? SUB_READ.f
-? ? ? ? ?? STEPS
-? ? ? ? ?? rs.o
-? ? ? ? ?? rs.f
-? ? ? ? ?? read_xtc_main.o
-? ? ? ? ?? read_xtc_main.f
-? ? ? ? ?? READ_IND.f
-? ? ? ? ?? PARA
-? ? ? ? ?? Makefile
-? ? ? ? ?? libxdrf.a
-? ? ? ? ?? index.ndx
-? ? ? ? ?? fort.21
-? ? ? ? ?? fort.20

I wonder how can I delete it?

Thanks with best regards,



What happens if you do rm -rf /try from root?
(I/m not all that familiar with Deb, but you must
have some way to get admin permission, if you
are the owner of the install. su  or perhaps sudo.)

--doug


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[1/2OT] how to delete ??? file

2013-01-17 Thread lina
Hi,

I don't know from where jump out a directory with following info.

$ ls -lrt try/
ls: cannot access try/STEPS: Permission denied
ls: cannot access try/test_xtc2pdb.f: Permission denied
ls: cannot access try/18059-18059.xtc: Permission denied
ls: cannot access try/read_xtc_main.f: Permission denied
ls: cannot access try/PARA: Permission denied
ls: cannot access try/fort.21: Permission denied
ls: cannot access try/CA-ch1.ndx: Permission denied
ls: cannot access try/CA.ndx: Permission denied
ls: cannot access try/Makefile: Permission denied
-? ? ? ? ?? XX.tar
-? ? ? ? ?? try.pdb
-? ? ? ? ?? try-c.pdb
-? ? ? ? ?? test_xtc2pdb.f
-? ? ? ? ?? SUB_UTILITY.o
-? ? ? ? ?? SUB_UTILITY.f
-? ? ? ? ?? SUB_READ.o
-? ? ? ? ?? SUB_READ.f
-? ? ? ? ?? STEPS
-? ? ? ? ?? rs.o
-? ? ? ? ?? rs.f
-? ? ? ? ?? read_xtc_main.o
-? ? ? ? ?? read_xtc_main.f
-? ? ? ? ?? READ_IND.f
-? ? ? ? ?? PARA
-? ? ? ? ?? Makefile
-? ? ? ? ?? libxdrf.a
-? ? ? ? ?? index.ndx
-? ? ? ? ?? fort.21
-? ? ? ? ?? fort.20

I wonder how can I delete it?

Thanks with best regards,


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