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  1. blunix

    Solved How do I check status and logs of the ssh in Debian?

    auditd logs EVERYTHING thats happening on your system. It doesnt check logs for you, it creates a TON of more logs. Its super fun to look at. You will need a tool to manage the flood of logs though. If you run a bank, that might be for you.
  2. blunix

    Solved How do I check status and logs of the ssh in Debian?

    if you want to go full on paranoia as to "whats happening" check out auditd (first hit on google: https://www.redhat.com/sysadmin/configure-linux-auditing-auditd)
  3. blunix

    Solved How do I check status and logs of the ssh in Debian?

    If you are looking for logs for outgoing ssh sessions not sure tbh. Its like if you run echo or cat - not sure if that logs something by default. The server you log IN to definitely has logs though. those are in the systemd journal of the server. Btw you can track what you do on a...
  4. blunix

    Solved How do I check status and logs of the ssh in Debian?

    what do you mean by status? Your workstation doesn't have a sshd (emphasis on the d - daemon). That would be a systemd service. your ssh is just a client program. That has no daemon and no systemd service. On a server it provides output: $ sudo systemctl list-units | grep ssh ssh.service...
  5. blunix

    More SWAP on LUKS?

    I think there is a way to use your gpu's memory for swap somehow. might be worth a google search.
  6. blunix

    Today's article has you messing about with your CPU...

    Then your system will max out one core and just be slow. Buy more (enteprise grade) thinkpads. they have enough space for cooling. You cant build a laptop "super flat" and still have good cooling.
  7. blunix

    More SWAP on LUKS?

    You could have kept this, doesn't hurt to have more than one swap. sudo fallocate -l 16g /swapfile The dd version described above might have given better results initially, but this is generally ok too. Out of curiosity - is your box performing better now?
  8. blunix

    Today's article has you messing about with your CPU...

    dont say that! YES I'M EYEBALLING YOU SPECTRE AND MELTDOWN! xD Actually not sure if that was one of the ways to go about it. I think that was disabling multi-core processing it in the BIOS or so. It was a fun experience while running qubes, which is the OS where you basically never have enough...
  9. blunix

    Alex from NYC

    port scan doesn't help if the backend is behind CDN. with invest time I mean learn, learn some more and then learn some more. In tech everything is solvable, you just need enough time. And to know if it's worth investing that time.
  10. blunix

    Alex from NYC

    invest more time :p The email thing works pretty often in my experience. But I'm usually the guy on the other side (hosting things).
  11. blunix

    tool of the day: faketime

    Thats one I didn't know :D root@server ~ # date Tue Apr 16 17:39:04 UTC 2024 root@server ~ # faketime 'last friday 5 pm' date Fri Apr 12 17:00:00 UTC 2024 That certainly is funny.
  12. blunix

    Which variants of grep are deprecated?

    I wouldnt say deprecated, I still use egep for example. By the time it doesn't show up on Debian anymore you can "move on". Till then I think with such tiny tools its safe to ignore deprecation warnings and just use it till it disappears. That being said, using grep with options instead of...
  13. blunix

    Alex from NYC

    Just do DNS enumeration. There is pretty much no company that uses cloudflare for example.com, but doesnt set a DNS record like "loadbalancer.example.com" xD You can also trigger an email being send to you. They commonly include headers they shouldn't, like the IPs of the webworkers or so.
  14. blunix

    Alex from NYC

    ah right :D @AlexVisha welcome to the forum!
  15. blunix

    Alex from NYC

    he didn't write anything about kali yet - maybe he just wants to use linux ;) @AlexVisha here is the quickstart guide to looking cool with linux: sudo apt install cmatrix cmatrix
  16. blunix

    Local POSTFIX cannot send to Gmail

    yeah I fully understand. Personally I think my mail setup is kinda nonsense, I just did it cause I think its funny and a good excercise x)
  17. blunix

    Local POSTFIX cannot send to Gmail

    yes, I still have to write that. Setting up a proper mailserver is a bit extensive.. Also my own mailserver is.. paranoid.. I want to write about that. nono not at all. wasn't my intention. ofc stay with postfix and dont fix the running system. just in general i'd recommend the switch "next...
  18. blunix

    Local POSTFIX cannot send to Gmail

    thats the correct approach. Just for the next setup you might want to consider switching. which one? yes I'm not telling you to do that, but the OP is at that point right now ;) yeah I have to write one.. I'm considering writing one about how to setup an actually secure mailserver to bash...
  19. blunix

    Today's article is another PDF type of article...

    <policy domain="coder" rights="none" pattern="PDF" /> <- very cool that you included this one. first thing I looked for when i read convert and pdf x)
  20. blunix

    Local POSTFIX cannot send to Gmail

    I run about 200 mailrelays with opensmtpd, literally one of which uses SPFs (because, as said, $contracts), I wrote a blogpost about it (see my first post) and I run three mailservers with it, one of which is my own and that thing (to my personal surprise) has never made any troubles. Postfix...
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