1
vote
0answers
36 views

How can I hide a command line from (e.g.) top & htop? [duplicate]

I know that both support specifying the username, which can be forced using an alias in root-owned ~/.bashrc, but one can temporarily disable the alias by prepending the command with \, so what are ...
1
vote
1answer
168 views

Hidding an encrypted folder in a shared system without root access (unshare -m)

I'm a graduate student trying to use a cluster at my university. These machines are shared, so I want to protect the source code I use (I signed a NDA, so I'm scared about publishing the code by ...
2
votes
2answers
139 views

Securely allowing users to create accounts

1) I'm struggling to find a secure way to allow new users to create accounts without granting them admin rights to do so. If you already have an account on my system and can work UNIX command line, ...
-3
votes
1answer
150 views

Break write permission for non root user?

Can non root user edit files he/she doesn't have access to or create new a file in a directory he/she doesn't own? Is there a way to do that? P.S : I know if root user or file owner gives him write ...
3
votes
3answers
1k views

Encrypting loopback images without using a loopback device

I'm trying to design a firmware update system for an embedded Linux system. My plan is to send an image that can be mounted on the target system, so I don't need to unpack the entire file. I also want ...
1
vote
1answer
258 views

LAMP Server setup for personal development

I am setting up a LAMP server in VirtualBox for personal development. This will be an Ubuntu Server 12.04 install, and I will be using Virtual Hosts for Drupal, Yii, and other small PHP apps. Ideally ...
2
votes
4answers
2k views

Allow paswordless user to change to another passwordless user

I have two users dev and tomcat neither of them have a password. How can I allow dev 1 do su - tomcat without having him having to enter any credentials? 1 connects with ssh keyfile
5
votes
3answers
285 views

Preventing binary planting attacks in Linux

If a user account on a Linux machine is compromised, clearly, all files owned by that user are compromised. Unfortunately, if the compromised user also has sudo privileges, it seems that binary ...