3
votes
3answers
4k views

How to recover free space on deleted files without restarting the referencing processes?

When big files are deleted on a server, the files might still be referenced by processes, so the file system doesn't have more free space. I tried to use lsof, but it seems it didn't list the deleted ...
0
votes
1answer
287 views

Revoke directory access for a particular user in Solaris

I have a need to allow directory access to a particular user on my file system. I want this user to be unable to access any other directory in my file system (initially anyway. It may need access to ...
1
vote
1answer
258 views

Execute a Perl script after reboot on Solaris 10

During my activities on Solaris 10 machine I need twice reboot the Solaris unit and after reboot I'd like to run several scripts. Before first reboot I store in /etc/rc3.d/S99myScript some bash ...
1
vote
4answers
456 views

How to exploit data being written to file

I am trying to show that taking data as an input and writing directly to a file without parsing, checking or sanitizing it is a security risk. Can anyone show an example of how this can be exploited. ...