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#linode IRC Logs for 2019-05-29

---Logopened Wed May 29 00:00:00 2019
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00:15<softinio>So I have a linode the $20 per month plan I use it for developing software on it using scala (a jvm based lang) was compiling a new OSS project I was making changes to and the compilation crashed and it coincided with my CPU utlization spiking to over 200%
00:15<softinio>I did manage to complete a successful compile only after I rebooted my linode
00:16<softinio>so I am thinking if I am on the current linode type and size for my usage
00:16<softinio>not sure how the CPU utilization works ... I would have expected it to just take longer if short on cpu resources not crash
00:17<softinio>should I be looking at the next linode up from the one I am on or should I be considering a linode from the dedicated plans?
00:17<softinio>will dedicated make a difference for my use case as I actually don't use this much CPU 24/7
00:18<softinio>like I have been on this linode for a while and literally only happened last weekend once on this project that was slightly larger than my norm
00:18<softinio>any thoughts appreciated
00:19<gparent>Linode didn't make your app crash, if that's what you're wondering.
00:19<gparent>it works as you described, the CPU is shared between VMs
00:19<softinio>i know linode directly didn't
00:20<gparent>it's a java app, did you check in dmesg that it didn't get OOM-killed?
00:21<softinio>gparent: good point about OOM will look out for it next time it happens to see
00:21<gparent>I guess what im trying to say is neither should the high cpu usage have crashed your app unless it's a bad app, so a dedicated CPU may help, do nothing, or just delay the inevitable
00:21<gparent>and np
00:21<gparent>you can check in syslog too I think
00:21<softinio>so u think I am fine on my plan from a CPU point of view and it should just take longer if it needs more cpu?
00:22<gparent>I'm saying you're still at the troubleshooting step, and my first guess is your current plan is fine yes.
00:22<gparent>and yes to the last question
00:22<softinio>let me look around
00:22<softinio>I did have a OOM related issue a while ago and upgraded plan to get more memory
00:23<gparent>high CPU usage can mean a lot of swapping (because you're waiting for I/O to complete) which is also a sideeffect of high memory usage
00:23<softinio>of course doing same compilation on my laptop that doesn't happen but my laptop does have dedicated cores and more memory
00:23<softinio>yeah when I looked at linode dashboard I had maxed out on swap space
00:24<gparent>walks like a duck, quacks like one
00:24<gparent>but if it's not a OOM problem the plans are always there for you
00:26<softinio>couldn't find any messages in dmesg or syslog
00:26<softinio>will try to reproduce to see error from compiler and investigate more
00:26<softinio>gparent: if its OOM guess stick with standard instances and just move to a plan with more memory?
00:27<softinio>or u think dedicated is better for my use case?
00:27<linbot>New news from community: How can I activate my account? <>
00:27<gparent>if it's just a memory problem yeah, upgrade or compile elsewhere
00:28<softinio>gparent: thanks for help will investigate and try your suggestions
00:28<gparent>np let us know what happens
00:28<gparent>I may or may not be there but hopefully yes
00:28<softinio>will do
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06:48<linbot>New news from community: Help with WHM cPanel username/password. <>
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07:00-!-thiras is "Ant" on #debian #linode #tami
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07:37<v0lksman>any staff here?
07:37<linbot>If you have a question, feel free to just ask it -- someone's always willing to help. If you don't get a response right away, be patient! You may want to read
07:37<linbot>Users with ops are employees of Linode, and know what they're talking about. The rest of us are the ever-so-helpful(?) community. Official Linode contact information:
07:37<v0lksman>ticket related....
07:38<@jcardillo>v0lksman: what's up?
07:38<v0lksman>ah nvm...was waiting for a migration to appear...seems to have but the buttons are greyed...I assume it's still configuring
07:39<v0lksman> rushing so missed the text that says node must be shut down
07:39<crebuh>Hello, we are experiencing problems with certbot on one of our 10 linodes. Creating new certificates or renewing older ones is always failing with errors like this: Timeout during connect (likely firewall problem)
07:40<crebuh>But I checked the nginx config several times, the .well-known/acme-challenge folders and files are public accessible. same config as on other instances
07:41<crebuh>I' m not sure If maybe this instances has been banned or whatever
07:41<v0lksman>jcardillo: thanks for responding though... :)
07:42<grawity>crebuh: "timeout during connect" doesn't sound in any way related to the URLs being "public accessible" or not
07:42<grawity>crebuh: it means the client couldn't even get far enough to submit the HTTP request at all
07:42<crebuh>yes I know, but I can access the files normally in the browser from different networks and devices
07:43<crebuh>I'm not sure how certbot is working internally, but the challenge files are generated and shortly after the process fails with the timeout, then those files are deleted again
07:44<crebuh>I also tried the manual process, where you have to create the challenge files on your own
07:44<grawity>certbot connects to the LetsEncrypt servers, and then (if the verification has expired) the LetsEncrypt servers connect back to you
07:49<crebuh>from the logs I can see, that it is submit the POST Call --> 2019-05-29 13:35:52,852:DEBUG:acme.client:Sending POST request to
07:50<grawity>ok, are you able to reach that URL from the linode in general?
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07:54<crebuh>not sure how to check the POST call but for example curl -I --> HTTP/1.1 200 OK
07:55<dwfreed>so it sounds like LE is unable to reach your server to access the challenge
07:56<dwfreed>it would be helpful if we knew the domain name you're attempting to get a cert for
07:57<crebuh>sure this is one of the domains with the exact error from the letsencrypt log
07:57<crebuh>Failed authorization procedure. (http-01): urn:ietf:params:acme:error:connection :: The server could not connect to the client to verify the domain :: Fetching Timeout during connect (likely firewall problem), (http-01): urn:ietf:params:acme:error:connection :: The server could not connect to the clie
07:58<grawity>your server's IPv6 is down
07:58<crebuh>as said when you open the fail now, it will be of course, because certbot is deleting it directly
07:58<grawity>as said the error has absolutely nothing to do with the file's existence
07:59<dwfreed>^ what he said
07:59<grawity>"timeout" / "could not connect" happens *way before* the HTTP request is even submitted
07:59<crebuh>ok sorry ^^
07:59<dwfreed> has A and AAAA records, and the IPv6 address pointed at by the AAAA record is not responding
08:00<crebuh>is IPv6 needed?
08:00<crebuh>I never configured it before
08:00<dwfreed>I mean, if you're going to have an AAAA record, it should probably be working
08:00<grawity>if the domain name points to the address, then the address better work, yes
08:00<grawity>and since it's 2019, would strongly recommend fixing ipv6 rather than disabling it
08:01<crebuh>ok I see
08:01<dwfreed>^^^ x 1000
08:03<crebuh>the ipv6 on the linode dashboard is 2a01:7e01::f03c:91ff:feb8:3798 / 64 --> so the AAAA record should point to 2a01:7e01::f03c:91ff:feb8:3798 ?
08:03<grawity>the AAAA record already points there, the problem is that the linode isn't responding to that address
08:03<grawity>check `ip addr` and `ip -6 route` on the server
08:08<crebuh>ip -6 route is returning nothing
08:08<crebuh>ip addr
08:08<crebuh>1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet scope host lo valid_lft forever preferred_lft forever 2: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 9e:86:92:cc:26:2a brd ff:ff:ff:ff:ff:ff 3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
08:08<crebuh>ok seems that lines are limited here
08:09<grawity>what distro are you running, and does the linode have "network helper" enabled in the management webpage?
08:09<rsdehart>in part because this isn't the place to paste huge amounts of text
08:09<crebuh>ubuntu 16.04
08:09<linbot>Please paste longer snippets over at and not in the channel
08:09<grawity>so /etc/network/interfaces?
08:10<grawity>probably needs one of these
08:12<grawity>'auto' is *supposed* to work (though sometimes doesn't)
08:14<grawity>could you check `sysctl net.ipv6.conf.{all,eth0}.{disable_ipv6,autoconf,accept_ra}`
08:15<crebuh>ip6 seems to be disabled somehow
08:16<dwfreed>net.ipv6.conf.all.disable_ipv6 = 1 would do it
08:17<grawity>wonder if that comes from /etc/sysctl.* or from some software
08:17<dwfreed>one way to check
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08:17<dwfreed>crebuh: does 'grep disable_ipv6 -R /etc/sysctl.d' output anything?
08:18<dwfreed>(pretty sure 16.04 has the 99-sysctl.conf symlink as well)
08:18<crebuh>grep disable_ipv6 -R /etc/sysctl.d --> no result
08:18<aydinvivik>Do we need to pay any fees for cpanel?
08:18<linbot>Install cPanel on CentOS: Linode does not sell cPanel licenses, but it's provided free to Linode Managed customers: Or try a free panel like Webmin: Or just use the command line:
08:19<crebuh>how can I reload settings after I have changed something
08:19<crebuh>systemctl restart networking?
08:19<grawity>crebuh: which settings?
08:19<crebuh>when I set net.ipv6.conf.all.disable_ipv6 = from 1 to 0
08:19<dwfreed>things should start working automatically after that
08:20<dwfreed>as long as net.ipv6.conf.eth0.disable_ipv6 also is 0
08:23<crebuh>thx for your help, I will check it later again. have to leave now
08:23<dwfreed>if it's not fixed, that systemctl command you gave should help
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09:55<crebuh>I got it working! Big thx guys!!!
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10:39<linbot>New news from community: How can I receive alerts when my server crashes? <>
10:43<linbot>New news from status: Scheduled Network Maintenance - Fremont <>
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12:55<linbot>New news from community: Node balancer's health check is sending plain http to https? <>
13:23<linbot>New news from status: Scheduled Network Maintenance - London <>
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15:15<Ikaros>Joy, sirens are going off in Irving. bbl
15:18<linbot>New news from community: Point to another nameserver for the default record <> || nginx install error <>
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15:28<will-20>Anyone having problems with promotion codes?
15:28<millisa>you'd be the first to say something about it
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15:29<will-20>ah no worries, I just was joining from a invite code from Inside but it didn't work
15:30<millisa>did you already get your account created? you could put in a ticket from there saying you had issues with the code
15:30<will-20>not yet
15:33<millisa>I must be blind, how much of a promo was that page supposedly giving you?
15:35<will-20>oh $20 from the email and at the checkout
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16:40<linbot>New news from community: How to fix WordPress White Screen after Install? 500 error <>
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16:52<arby>IIUC, all (?) Linodes have a limit of 8 attachable drives ( /dev/sda-sdh), partitioned from within the Linode's allocated disk space. Not sure _why_ the limit's there, but AFAICT it's not extensible.
16:52<arby>IS the purchase/addition of "Block Storage" still subject to those limits? I.e., if I am already using /dev/sda-h, how/where is add't BlockStorage space attached?
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16:58<millisa>they attach at /dev/disk/by-id (it'll give you the info when you attach it). not sure if the 8 volume limit still applies - i don't see it in the current docs. it was in the original beta q/a 2 years ago
17:00<millisa>oh, it does still say there is a limit of 8 in the first paragraph at
17:01<arby>millisa: Thx for the link. Well, that sucks ...
17:04<millisa>looks like it still limits to 8 total volumes.
17:04<millisa>just tried it with something that had a root and swap at sda/sdb
17:05<millisa>it does end up putting them in the /dev/sd? slots in the profile
17:07<arby>thx. not sure where the 8-vol limit comes from ...
17:08<cruxeternus>"No one should ever need more than 8 block devices..."
17:08<cruxeternus>Probably dates back to some limitation of an early version of Xen...
17:09<arby>sounds about right. annoying ...
17:10<cruxeternus>Sounds like a nice feature request though.
17:11<TJ->arby: could you shuffle the existing storage around and combine into a single LVM to free up some SCSI device slots?
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17:12<sm[m]>hey all. Am I right in thinking the "cloud manager" UI does not show storage usage ?
17:13<millisa>it shows the disk allocations on the advanced tab
17:13<arby>TJ-: hi. Of course I _could_, but not gonna ... my partitions are there for a variety of specific reasons (diff usages / logical separation, fstab props, encryption, etc.). I already "compromise" with 'just 8' ...
17:14<sm[m]>millisa: thanks. I miss the max/current allocation pane shown by the old UI
17:14<millisa>it kinda has it over on the right side
17:14<sm[m]>doh! eyes didn't travel that far. That's good, thank you
17:15<millisa>i guess if the browser window is small enough it moves it down to the bottom
17:16<arby>cruxeternus: Ask for 'more' -- admittedly a long time ago, maybe "back in the Xen" days -- and was told 'no'.
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18:42<linbot>New news from community: How do I download the Linode Manager iOS/Android App? <>
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19:08<LouWestin>We have an IOS app? lol
19:18<nobaudy>no :)
19:19<LouWestin>I saw the page was deleted and was like oh... another spam post.
19:22<nobaudy>the question was from linode and the answer was the apps went away, just use the website. not sure why it's gone.
19:26<Abi12>app dev is hard.
19:26<Abi12>it'll probably come back once the api is *more* complete.
19:26<Abi12>I'm pretty sure any old person can start to make a linode app with the api though :p
19:26<LouWestin>Ok. I saw a 404 error when I went to the link
19:30<nobaudy>I understand why the apps are gone. not sure why the article is gone. since the website is basically an app wrapper of the api anyway.
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20:16<Eduardo>hello, anyone know which SSD model uses linode in 64GB ram 12CPU plan?
20:17<LouWestin>The SSD drive model/brand?
20:18<LouWestin>I don’t know, but one staff might answer.
20:22<millisa>i dont think they've ever revealed specifics on the storage subsystem
20:22<millisa>what does it matter?
20:22<Eduardo>i need to give technical specs of my Linode
20:22<Eduardo>as complete as posible
20:24<Eduardo>when i just signed up with Linode they had something about Samsung EVO SSDs i think, now there is nothing about Storage info
20:24<LouWestin>Hmm don’t know about that. I use one in my home system
20:26<millisa>they've never mentioned using consumer class ssd's
20:26<millisa>I think maybe you are confusing them with a different vps provider?
20:28<millisa>their blog entry from about 5 years ago specifically says 'no consumer ssds':
20:28<millisa>that's probably as good of info as you'll get out of them
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21:45<millisa>English mostly
21:45<romariothunder>I have a problem
21:45<millisa>Ok, what is the problem?
21:47<romariothunder> activate a plan of a VPS server and linode is charging me for more months and when I canceled my account it also charged me .... How do I solve that problem?
21:48<millisa>Linode charges for a VPS whether it is running or not. If you still have the VPS listed, they will bill you.
21:49<Peng>If you cancel your account, you still have to pay for what you already ised
21:49<Peng>If you cancel your account, you still have to pay for what you already used*
21:49<millisa>That, too
21:52<LouWestin>I’m wondering if Edwardo was a competitor spy? Not that it mattters
21:54<millisa>we'll find out when verbiage shows up on about ssd suckers not being cheap
21:54<millisa>er, shows up on another site
21:55<millisa>I tried to look earlier for the post about them shredding the old spindle drives - I thought it had mentioned something about the ssd's, too. didn't find the post
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21:58<LouWestin>That’s all I remember ever seeing.
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21:59<millisa>found the article I was thinking of. it doesn't have more info on the ssd setup -
21:59<LouWestin>I remember when someone wanted to know what OS they use and mcintosh was like none of your business. Lol
21:59<LouWestin>That dude was like, I need to model, brand, etc!
22:01<Peng>It's actually Windows
22:01<millisa>98... pre SR2
22:02<millisa>softram95 is installed on it
22:02<LouWestin>I told the guy they use Windows with virtual box.
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22:56<softinio>so I have a linode running ubuntu 8.04 .... I installed then uninstalled docker .... wondering if containerd is part of default ubuntu install or was it added by docker and I can remove it?
22:57<Peng>...8.04 or 18.04?
22:57<softinio>18.04 sorry
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---Logclosed Thu May 30 00:00:02 2019