Re: Matlab 2013 Crack Linux Shadow
Emmanuelle Riker
My best guess is that every one of those issues could be solved if the .Xauthority file had the right content. However, any attempts to generate content for that file have failed. I have absolutely no clue how to fill that file with the content in the right syntax manually.
The context suggests this is for X11 forwarding over ssh, right? Please describe the setup: the machine labeled "archlinux" in the output above is the remote machine, right? What is the local client machine? You're running Xorg on the local machine and configured X11 forwarding on the client, right? If so, describe how.
If this command is not available in your Terminal, try installing the xorg-xhost or xorg package to get the display server.
Then try running this command again and if successful, try running the installer as root.
Now because matlab install is throwing the same error as everything that's related to xorg, xauth, ssh, xhost etc I'm assuming the installation script is trying to remotely connect somewhere. That's probably why they suggested to me that I try running xhost first to see if that works. Again, I've been googling myself through all of these errors and nothing really worked.
To answer all your questions:
1. The context suggests this is for X11 forwarding over ssh, right? - I'm not sure but I think so
2. The machine labeled "archlinux" in the output above is the remote machine, right? - No, it's my local laptop
3. What is the local client machine? - My home laptop
4. You're running Xorg on the local machine and configured X11 forwarding on the client, right? - Yes, apparently, but only because it was listed as one of the possible solutions to the problem. I can reverse those changes.
Like I said before, I think I have to somehow generate the .Xauthority file so xauth list would create an output. I have tried a couple of things but apparently not the right ones.
If this is just about some client programs failing to run on your current graphical session you should tell is about about that session: how do you start / launch KDE. Are KDE programs starting (e.g., filemanager, etc). I'd also second / third seth's prediction (that you are not running a Xorg session and Xwayland is not enabled or functioning properly - though I'd expect kde/plasma to run xwayaland automatically).
Xwayland got installed alongside 50 other packages when I ran pacman -S xorg. Just to be sure I ran pacman -S xorg-xwayland, but it didn't help in anyway.
The comment about matlab seemed the closest to the core problem I'm fighting with but unfortunately also a dead-end.
Now as I'm writing this I'm simultaneously continuing my own research to the problem, so mavbe I'll find something when I dive deeper into your suggestions. In the meantime thank you all for the quick replies you guys are writing to help me out.
Also an interesting answer. It even seems that your are right
1. How do you start / launch KDE? - I don't do it manually. As far I can tell it launches automatically on startup.
2. Are KDE programs starting? - The filemanagers (Dolphin and Thunar) both run smoothly. What's interesting however is that the NetworkManager never starts on startup. I have to run sudo NetworkManager --run-from-build-dir every time after I boot.
3. Xwayland is not enabled or functioning properly - This seems to be the case. I get the following output:
Also, your title / intro to this thread said no X11 applications work. But you've been focused on this odd matlab installer (which I'd not bother with in the first place). That an scrot failing - but I'm not sure that's expected to work with xwayland, it certainly will not do what you likely expect it to do.
I know I've been focused on this matlab installer but I'd also like screenshots to work. The problem seems to be that certain display functions aren't working the way they should. I think if I can fix that it'll automatically fix all the things I've explained in the post matlab, screenshots etc.
Installation of matlab through the AUR packages seems to have more problems than installing it from the official mathworks website:
HOWEVER,
I've rebooted my pc and started a KDE session on plasma-X11 instead of plasma-Xwayland which I now realize makes sense to do because like I said most of my problems seemed to have something to do with X11 not running. OBVIOUSLY it wasn't because Xwayland was running. I understand now that (and please correct me if I get this wrong) KDE has at least 2 seperate sub-display-managers (Xwayland and X11) and it's important to know which one is running for running display applications.
It seems that was one thing I had no knowledge about.
The following problems have been solved:
HOWEVER,
I've rebooted my pc and started a KDE session on plasma-X11 instead of plasma-Xwayland which I now realize makes sense to do because like I said most of my problems seemed to have something to do with X11 not running. OBVIOUSLY it wasn't because Xwayland was running. I understand now that (and please correct me if I get this wrong) KDE has at least 2 seperate sub-display-managers (Xwayland and X11) and it's important to know which one is running for running display applications.
There are two graphical environments. One is X11. The other, newer one is Wayland. Xwayland allows you to run (some?) X applications in a Wayland session. If you've installed all the necessary stuff, you can choose to run KDE as an X11 session or as a Wayland session. If you run it as a Wayland session, you may find xwayland useful; if you run it as an X11 session, you won't.
But this isn't really to do with KDE. KDE has just been modified to run on Wayland as an alternative to X11. Some desktop environments work on one, some on both. Look up Wayland and X11 in the wiki for more information.
Eventually, they say Wayland will replace X. Right now, you will probably find one or the other works better for you. (When I tried to run KDE on Wayland, it didn't work at all, even though Fedora had silently switched the default to Wayland. Doubtless that experience has biased my views.)
The Linux kernel has an interesting security feature called audit. It allows administrators to watch for security events on a system and have them logged to the audit.log, which can be stored locally or remotely on another machine to prevent a hacker from trying to cover his tracks.
The /etc/shadow file is a common security file to watch, since adding a record to it could allow an attacker to get return access to the system. Administrators want to know if any process modified the file. You can do this by executing the command:
There's a lot of information in the audit record, but I highlighted that it recorded that root modified the /etc/shadow file and the owner of the process' audit UID (auid) was dwalsh.
There is a field called loginuid, stored in /proc/self/loginuid, that is part of the proc struct of every process on the system. This field can be set only once; after it is set, the kernel will not allow any process to reset it.
Podman uses a traditional fork/exec model for the container, so the container process is an offspring of the Podman process. Docker uses a client/server model. The docker command I executed is the Docker client tool, and it communicates with the Docker daemon via a client/server operation. Then the Docker daemon creates the container and handles communications of stdin/stdout back to the Docker client tool.
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