| foo | Is there a way to check disk health? I used to do badblocks /dev/sdb1 ... but it's throwing this: "badblocks: Value too large for defined data type invalid end block (7814025216): must be 32-bit value" | 00:39 |
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| foo | Probably some smart command I want? | 00:39 |
| sarnold | smartctl -a /dev/whatever or smartctl -x /dev/whatever aren't bad starting points, if your drive does smart | 00:41 |
| sarnold | there's an nvme command line tool that can get some informatoin out of nvme drives that didn't implement smart -- but that's even harder to understand, in my experience | 00:41 |
| foo | sarnold: hey, thank you! | 00:42 |
| sarnold | you can also use dd to read the whole disk, that'll be similar to the badblocks reading-only mode; you can also use dd to write to the disk, but that's not nearly as good as badblocks for this specific case -- badblocks knows how to check for specific values being read back :) | 00:42 |
| foo | sarnold: thanks! | 00:44 |
| sarnold | you're welcome foo :) | 00:45 |
| foo | I'm trying to copy data from one system to another. This second system has a USB drive attached, 8TB. Is there a way to remotely create an encrypted partition somehow that I can password protect? That plays nice with rsyrnc. | 00:45 |
| sarnold | if it were me I'd probably use LUKS on the drive and create the filesystem within that | 00:45 |
| sarnold | this guide looks reasonable enough https://www.cyberciti.biz/security/howto-linux-hard-disk-encryption-with-luks-cryptsetup-command/ | 00:47 |
| sarnold | I'm a big fan of zfs, and zfs now has native encryption, but I keep hearing that it has issues :( I don't really understand them, but it's enough that I don't think I'd want 8tb of stuff I don't understand.. | 00:47 |
| foo | sarnold: I wonder if I can set that up remotely on a drive? Or do I need to be with the drive? | 00:47 |
| foo | sarnold: ah, interesting. I have generally heard good things of zfs. | 00:48 |
| sarnold | foo: it probably works fine to set it up remotely | 00:48 |
| sarnold | foo: yeha, I've got zfs on several systems, on something like 15 drives total, I like it :) but I don't think the encryption is quite there yet | 00:49 |
| sarnold | https://gist.github.com/rincebrain/622ee4991732774037ff44c6768085ab#encryption | 00:49 |
| foo | Odd. https://bpa.st/UAZ2W - this explains why DNS ain't working, I think? Heh. | 01:16 |
| sarnold | foo: ooh! this gives me a chance to share one of my favourite tools! :D namei -l /etc/resolv.conf | 01:18 |
| sarnold | foo: I'm headed out, have fun :) | 01:20 |
| foo | sarnold: hey! That's cool. Output: https://bpa.st/T2CQ4 | 01:28 |
| foo | Enjoy your weekend :) | 01:29 |
| foo | Fixed it, did this: sudo systemctl restart systemd-resolved | 01:35 |
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| evit | I am attempting to remove Mysql and replace it with Mariadb. I did sudo apt purge mysql-server* and $ sudo rm -r /etc/mysql /var/lib/mysql and sudo rm -r /var/log/mysql | 18:34 |
| evit | Should I not have done the last step of removing the /var/lib and var/log files? | 18:34 |
| sdeziel | evit: removing /var/lib/mysql probably removed the DBs themselves | 18:35 |
| evit | They were empty | 18:35 |
| evit | I was replaceing Mysql w/ Maria | 18:35 |
| evit | I don't see any logfile for mariadb | 18:40 |
| evit | Anyone know the proper way to remove Mysql and replace with Mariadb? I think I removed something I shouldn't have | 18:42 |
| JanC | I think by default mariadb logs to the same place/files as mysql | 18:42 |
| JanC | so /var/log/mysql.log and not /var/log/mariadb.log or something like that | 18:48 |
| evit | I removed maria completely and reinstalled. Still same issue | 19:00 |
| evit | =0 | 19:00 |
| evit | Looks like /var/log/mysql is empty | 19:03 |
| JanC | it should also be logging to the systemd journal on modern systems | 19:10 |
| evit | I've got nginx and php 8.0 running, created by database and gave user privs. Still getting Error establishing a database connection | 19:11 |
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