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We are developing a website which is required some software to install for first time like flash player for youtube...
but the question is without asking the user can we install it?
i found this some where but link ., but i dont want to ask the permission from user/OS. By calling the website only software should install if it is not installed on the perticular machine....
Is it possible?
This is not a good question, i know but we want to develop an inhouse website, the website will not go to live for remote users. if any security settings we need to change in our systems we are ready to do.......
No. It's not possible. Browsers are meant to run in sandboxes to prevent remote execution of arbitrary code. So you will need to ask the user for permissions.
If you are on java world you can use JavaWebStart. Otherwise, you could run a FLASH SCRIPT to provide the extra functionality you need for your WebSite. But since you didn't provide extra information on your issue, it's difficult to give you proper recommendations.
Do you mean installing it as in launching the install without the user having to click a "INSTALL" button or do you mean install the software without the user noticing you've done anything at all.
The second is not possible for security reasons.
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I am not sure if this is really the problem but it seems that Windows 10 is automatically creating a new profile for me with the same credentials every time I restart my computer. I can still log on with my old credentials but some apps like Slack and Dropbox aren't there anymore and needs to be re-downloaded, MS Outlook is requiring me to set up my profile from start with nothing synced, etc. etc. It's treating me like a new user with each login. I am super frustrated.
Thanks.
There is not enough information for sure knowing what is happening. But from my previous experiences, I could assume that what you are seeing is, Windows login you into a temporary profile. This happens when there is something corrupted on your original profile, and windows log you into the last know working profile. After logout, nothing is saved.
Sometimes it is possible to recover the profile, but sometimes it could be impossible. Wherever is the case it is better backup anything that is possible in case that you need to delete and create a new one.
Google for windows temporary profile recovery as they are many techniques depending of the cause. Here are a couple of samples:
https://answers.microsoft.com/en-us/windows/forum/windows_7-security/you-have-been-logged-in-with-a-temporary-profile/20ed22a5-8338-4578-84bc-f0a8e77aa15d
https://winaero.com/blog/windows-10-youve-been-signed-in-with-a-temporary-profile/
I too have the same problem..This problem nos called Temporary Profile Login. You can just follow this YouTube Video Fix Temporary Profile Login Error in Windows 10
If you like reading go read this article FIX Temporary Profile on Windows 10
I hope I have answered this question.
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Basically my question is relation to every package manager. I'm interested to know that in package manager like apt-get,rpm etc., is there any network security while downloading any file, if yes what kind of it is and is it really required in os like linux
There are security measures, yes, obviously.
All packages in a repository are signed on the server side by a key in an asymmetric manner. That signature is checked by the client (your system) when downloading / installing packages. Only if it can be verified the package is accepted, otherwise an error is thrown. You certainly have seen that already a few times, for example when a repository got updated right whilst you download. Happens. But it is secure in that aspect.
You can very easily verify that yourself: setup your own repository (there are tutorials for that), import the key. Then replace a package stored there by some other file on file system level. Now try to install that file. You will see that it gets rejected because it cannot be verified.
The question whether that really is required is pretty strange. Why would one not want to secure that process? That would leave you vulnerable like the process of installing software on MS-Windows based systems!
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I'm looking to do some pair programming with a collegue remotely, and I'm looking for the best tool to help us achieve this.
Ideally I'd prefer for the remote user to have as little access as possible, and it'd be preferrable if I could monitor all their actions.
GUI access is not required, shell is enough.
For example, shared tmux or screen sessions would work well, if they were easy to setup and secure.
Just create a new, non-root user account on the machine, then run tmux under that account. Screen sharing is easy and is what will "just happen" if you both "attach" to the same screen session. If there is nothing under that temporary user account that you care about, there is little damage that they could do, AFAIK, though your question may be more appropriate for https://serverfault.com/.
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I'm about to hand out my root server password to a company for them to fix an issue that I have with mydns.
I'm sure they are all above board (and I will change the root password after they have finished) but I just want to be sure.
I know (well I think) I can login after them and execute history to see what they did, but I know if they are dishonest, they can just clear the history. I'm worried in case a rogue employee does something malicious or installs keylogging software (which has happened when my mate let another company manage his VPS).
So is there anything I can do? Does the history command backup somewhere? Can I install a keylogger to verify the commands they execute are not malicious?
Any ideas welcome. Ideally I appreciate I shouldn't give out my root password if I don't trust them. But I am in a very difficult situation and have no choice.
Since you are giving them root access, there is nothing you can do from within the machine that they could not subvert with a rootkit.
Your only way to be sure would be to mount the filesystem in another machine and compare the changes made to the files by comparing with a previously made snapshot/backup.
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I been trying to install Ubuntu for my new laptop for ages now. Always getting the same error the very last second of the install.
Here is a screenshot and a the log of the install.
LOG : http://pastebin.com/sHr1x7C7
Screenshot: http://i40.tinypic.com/160vi88.jpg
Used the windows installer. Tried to reboot multiple times. But the OS is not showing up on the list on boot.
First, the distrib is ubuntu, not ubunto.\
Secondly, I recommand you to use a live CD or a USB stick if you want to try the system, and if it works well and/or you like it, install the system using that same medium.
There are plenty of howto on the internet, so I won't explain here, but the principle is to reduce windows partition (or allocating a full hard drive for linux) and manage the partition scheme throw the installer.
Hope this helps, at least a little :-)
First, it's ubuntu, not ubunto. From my google searches your problem is a pretty common one with no apparent solution. Burn the ISO to CD and install that way, it is the most reliable method. If you cannot do that, try the USB or netboot options, but the CD is the best way.