Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 7 years ago. Improve this question Does anybody know how, even if it is possible, to install CoreOS on terminal.com ? Answer The first question for Terminal.com would probably … Read more
I have a number of CoreOS servers that will be running some database workloads that highly recommend Transparent Hugepages be disabled. However: ~$ cat /sys/kernel/mm/transparent_hugepage/enabled cat: /sys/kernel/mm/transparent_hugepage/enabled: No such file or directory Sure enough, the path /sys/kernel/mm/transparent_hugepage doesn’t exist. But I’m not really convinced it’s switched off. ~$ cat /proc/meminfo | grep huge HardwareCorrupted: 0 … Read more
For development I want to mount a file share from my windows dev box inside my CoreOS VM, so I can then mount that volume inside a container. CoreOS doesn’t appear to support doing this, and comes with no package manager; the idea being it is only a minimalist host for containers. $ cat /proc/filesystems … Read more
I am running two servers on a VPC in AWS. One is an ubuntu server running mongodb on port 27017 and the only public port is 22. On a separate CoreOS server I have several containers that are supposed to connect to this database, the only public ports on this server are 80, 443 and … Read more
Is it possible to update CoreOS in offline mode? My CoreOS cluster does not have access to Internet, so is it possible to get the new CoreOS image and apply it as an update in someway? Answer AttributionSource : Link , Question Author : Rox , Answer Author : Community
Im planning to move my whole server stack to coreOS and using docker. The problem is currently there seems to be no good solutions to create a persistant data storage , back it up and easily restore it when needed? I know one can create inside the cloud-config.yml a data mount but are there opensource … Read more
When I’m trying to mount a formatted drive via a systemd unit (from my cloud_config): – name: var-lib-ceph-osd-ceph\x2d1.mount command: start content: | [Unit] Description=Mount Ceph disk (/dev/sdb) to /var/lib/ceph/osd/ceph-${host.id} Before=docker.service [Mount] What=/dev/sdb Where=/var/lib/ceph/osd/ceph-1 Type=btrfs User=64045 Group=64045 but unfortunately if fails with a status=217/USER error. $ systemctl status “var-lib-ceph-osd-ceph\\x2d1.mount” â var-lib-ceph-osd-ceph\x2d1.mount – Mount Ceph disk (/dev/sdb) … Read more
I am able to mount a drive Windows share drive on CoreOS, using https://github.com/xynova/docker-cifs-build I have created a service inside $ sudo vim /etc/systemd/system/mount.service [Unit] Description=Mount Share service After=network.target [Service] Type=oneshot RemainAfterExit=yes TimeoutStartSec=0 ExecStart=/opt/bin/mount.cifs //192.168.10.4/Apps/pegasus/operaII/Data/C /ccc/smb -o domain=server-apps.continental.local,username=usernam,password=password,uid=0,gid=0 [Install] WantedBy=multi-user.target On reboot, I get this Mar 08 10:21:24 araweelo coreos-cloudinit[670]: 2016/03/08 10:21:24 Ensuring runtime unit … Read more
I have setup CoreOS but am having issues building Docker, I keep getting errors like as an example. $ docker run -t -i ubuntu cat /etc/issue Unable to find image ‘ubuntu:latest’ locally latest: Pulling from library/ubuntu 2027caa30175: Verifying Checksum 1a094f2972de: Verifying Checksum c3eb196f68a8: Already exists 6dba05475398: Already exists Pulling repository docker.io/library/ubuntu ab035c88d533: Error pulling image … Read more
We are working on a code that does the following using terraform (on AWS): Creates a core-os instance (1) with the cloud-config yaml file we provided Creates an AMI from that instance The process works perfectly fine up till here. When we launch an instance (2) from that AMI, through AWS console. The newly launched … Read more
