CentOS Questions

  • Home
  • Centos
  • About
  • Contact

May 2018

SolusVM

SolusVM Xen server won’t boot

SolusVM Xen server won’t boot Every so often I have users who have an issue with their SolusVM server not booting when it was working just fine.  About 99% of the times it’s because they performed a yum upgrade and replace the kernel that caused their VPS to crash and Read more…

By Jeff Masud, 5 years4 years ago
Uncategorized

3Ware tw_cli getting DEGRADED and ECC-ERROR on rebuild

3Ware tw_cli getting DEGRADED and ECC-ERROR on rebuild I have some older servers still running 3Ware RAID cards.  They work great, and have a nice command line interface to managing things using tw_cli.  I recently had a drive fail, then when I went in to do the rebuild it errored Read more…

By Jeff Masud, 5 years5 years ago
Centos

Setting up SolusVM with IPv6 Subnets

Setting up SolusVM with IPv6 Subnets You may be like me, and read the setup documentation for SolusVM on how to setup IPv6 subnets but it doesn’t tell you what are the other things that are needed to make it work.  It doesn’t tell you what ethernet interface settings need Read more…

By Jeff Masud, 5 years5 years ago
Centos

Setting up IPv6 address on CentOS 7

Setting up IPv6 address on CentOS 7 All of our servers that are installed have dual stacked IPs, both IPv4 and IPv6 for consistency.  Sometimes by default CentOS 7 doesn’t automatically enable to IPv6 functionality.  If it doesn’t these are the items which you need to add to your network Read more…

By Jeff Masud, 5 years5 years ago
VirtualBox

How extend VirtualBox Windows volume

How extend VirtualBox Windows volume I had someone ask me how to make a Windows volume larger on VirtualBox. This process is pretty easy.  I’m using MacBook Air VirtualBox 5.2.10 Windows 7 These are the steps which I’ve done to expand a VirtualBox volume and Windows. Find VirtualBox Volume Path Read more…

By Jeff Masud, 5 years5 years ago
iDRAC

Dell iDRAC6 Java Console Connection Timeout after OSX Upgrade

Dell iDRAC6 Java Console Connection Timeout after OSX 10.13 Upgrade My MacBook Air laptop crashed and as  a result had to reinstalled the whole so while doing that I thought why not upgrade to the newest OSX 10.13.4 Before doing that I was able to easily connect to a Dell Read more…

By Jeff Masud, 5 years5 years ago
Centos

Kubeadm join getting error getsockopt: no route to host

Kubeadm join getting error getsockopt: no route to host After installing the master node I went to add some nodes into our cluster and recieved an error. This is the error I received: [root@fuselaxnode2 ~]# kubeadm join 10.230.107.137:6443 –token TOKEN –discovery-token-ca-cert-hash sha256:SHA_HASH [preflight] Running pre-flight checks. [WARNING FileExisting-crictl]: crictl not Read more…

By Jeff Masud, 5 years5 years ago
Kubernetes

Prometheus kubelet metrics server returned HTTP status 403 Forbidden

Prometheus kubelet metrics server returned HTTP status 403 Forbidden Recently been working a lot with Kubernetes and needed to install some monitoring to better profile the cluster and it’s components.  After doing that then doing an installation using the their deploy script.  It all looked good, no errors, all the Read more…

By Jeff Masud, 5 years5 years ago
Kubernetes

Using kubectl on your local workstation

Using kubectl on your local workstation Updated October 27, 2018: Added link to follow up article to create a Service Account with Cluster Role Binding instead of using deployment token.  Now that we’ve got our Kubernetes cluster running, you’ll need to give access to your developer or admins to allow Read more…

By Jeff Masud, 5 years4 years ago
Centos

Quick install of a Kubernetes self hosted cluster

Quick install of a Kubernetes self hosted cluster Updated October 27, 2018: Added disable chronyd before enabling ntpd This how to explains the steps I went through to install Kubernetes on a bare metal self hosted cluster in our data center. All your servers will have the same setup, with Read more…

By Jeff Masud, 5 years4 years ago
Search
Recent Posts
  • Rook-Ceph crush map has legacy tunables (require firefly, min is hammer)
  • SSL connection has failed on cPanel Exim server
  • VMware vSphere Client 5.0 on Windows 10
  • Kubernetes 1.11 API certificate expired
  • NTP force time update
Categories
AMD Radeon Apache BGP Bios Cassandra Centos Ceph Claymore CloudFlare Cpanel DNS Email Git Gitlab GPU Grub Hard Drive iDRAC IPMI IPv6 Juniper Kerio Connect Kernel Kubernetes Mining MSI Nagios Nginx OSX Pfsense Rook SAS Serial SolusVM SSH SSL Storage Ubuntu Uncategorized Varnish Windows Server Wipefs WordPress Xen Yum
Archives
  • May 2021
  • March 2020
  • January 2020
  • September 2019
  • May 2019
  • February 2019
  • November 2018
  • October 2018
  • September 2018
  • July 2018
  • June 2018
  • May 2018
  • April 2018
  • March 2018
  • February 2018
  • January 2018
  • December 2017
  • November 2017
  • October 2017
  • September 2017
  • February 2017
  • About
  • Blog
  • Contact
  • Front Page
Hestia | Developed by ThemeIsle