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Everything posted by madcow

  1. chroot has other less permanent uses such as setting up or troubleshooting a system without booting it. I wasn't aware that storage spaces works like LVM.
  2. Adding a few more: 1. Copy files being accessed. Delete files being accessed. Copy (backup) a running OS using common tools. 2. Containers (e.g. LXC, Docker). 3. Many more file system choices including ZFS and BtrFS. 4. Choose kernel components. Run low latency or real time kernel. 5. chroot 6. initrd/grub allows you to do things like copy OS to RAM disk and boot from it, or preload kernel modules and boot from software raid. 7. LVM and snapshots
  3. I think a big part of security of Linux servers comes from being able to remove nearly everything from the system except the bare essentials needed to run your applications. You can pick all of your packages and even remove kernel features. A simpler system with fewer services will likely have fewer exploits.
  4. My understanding is that this is due to nvidia being an ass and artificially disabling the driver if it sees virtualization flags and you aren't using some high end Quadro/Tesla. The platform may not matter. I though of one more thing. I believe this flag needs to be set too: <features> <kvm> <hidden state='on'/> </kvm> </features>
  5. I know of two possible solutions: 1. Use an older version of the driver (340.xx i think). This may not be possible with the 970. 2. Remove hv_time and all other hyper-v flags. I recall hearing that newer versions of qemu may enable hv_time by default so it may need to be disabled explicitly. I think you unfortunately take a 10% or so performance hit but better than not working.
  6. As far as I know, you can do this with either VMware ESXi or Linux with KVM. I'm not familiar with the ESXi method. See this. For KVM this is probably the best source of information. Read the first post to the get the idea, and the last 10-20 pages or so for updated methods. You will want to use libvirt with OVMF. I believe the ideal hardware setup would be an E5 or better Xeon, server motherboard and AMD graphics cards. You won't need any kernel or other software patches. This was my passthrough setup for a while and worked very well: E5-2630 v2 Supermicro X9SRL-F GTX 780ti
  7. Never. I upgraded a few weeks ago and I'm not satisfied with it.
  8. Actually used? I have just the primary and backup: Main box: All in one desktop/server/storage/hypervisor. Backup of main box: Keeps backup of data and is also able to run all of the VMs. Usually powered down. I like to keep hardware count low and virtualize as much as possible.
  9. I'm running an E5-1650 v3 with 16 HDDs. Power draw when mostly idle is a little less than 200W. This was provided by the motherboard IPMI so I'm not sure if it is accurate. This system actually also has a dedicated graphics card because I pass it into a destktop VM but I don't think an idle GPU contributes too much to power draw.
  10. I agree with this. Or buy one 4TB drive and backup to a cloud service.
  11. Motherboard raid may or may not be supported by Linux. I recommend mdadm software raid https://raid.wiki.kernel.org/index.php/RAID_setup I believe ubuntu/debian guides will work for steamos
  12. My system seems to never collect dust. Not using any filters. Every time I check, it is as clean as it was when I put it together. I think it helps that 1) it is in a separate room where people don't usually enter 2) it is off of the floor 3) floor is tile.
  13. People can contribute quality content even using Google translator.
  14. 1. You should check out this discussion. 3. You only need 750GB? Two 2-4TB disks in a mirror sounds sufficient to me. You could go with some cloud storage service for backup.
  15. I keep switching between FF and chrome. I like the free aspect of FF but chrome is undoubtedly faster and snappier. FF also has a tendency to become even slower over time (few days) unless I restart it. Chrome however seems to be pickier about my desktop setup (Linux) and will not run under certain configurations.
  16. Sale is starting tomorrow? Thanks for the information. If the price is good, I'll probably get a second 480GB for my home server VMs.
  17. Organize? Not really unless it is very important. I just have a few generic directories like video and music. As I load new content I'll do a quick check to look for duplicate content but that is about it. Any strict organization policy is not going to work for me because I may do it once but I'll never keep doing it.
  18. ECC is recommended for ZFS. There are i3 CPUs that support ECC. I don't know exact models.
  19. There really aren't cons as far as I can tell other than taking some of your time. The laptop may or may not become useful to you but you haven't spent any money in either case.
  20. Interesting question. It is none of the above. I build for fun and to impress myself. I hardly "need" all of the computer stuff I have considering I could actually get my work done on a $200 chromebook (with Linux on it).
  21. Ah that was another unique show I enjoyed. I don't remember too much about it unfortunately. It may just be me but I felt Kamisama no inai nichiyoubi had a similar "feel" to it and I also liked it.
  22. I watched these a while ago. Really enjoyed Humanity has declined. Very different and it helped that I liked the main character's voice. I liked Maoyuu at first but I felt the plot was moving and changing so rapidly towards the end that I could not follow. Also felt really weird that not a single character had a name in this show. I wonder what they were going for with that.
  23. Glad I found this thread. This is epic.
  24. How about starting off by making and selling modified headphones like the guy from Mayflower Electronics? You can even go very high end with mods like these guys: https://mrspeakers.com/
  25. Subject and poll are two different questions. I prefer Seagate (cheap) but I think HGST is most reliable.