The Fei's Tech Notes

Monday, October 10, 2022

Kubernetes: Setup K8s on your Local

https://matt-rickard.com/docker-desktop-alternatives

https://cri-o.io/

Releases: https://github.com/cri-o/cri-o/releases

Install cri-o

  dnf module list cri-o
  VERSION=1.18
  dnf module enable cri-o:$VERSION
  dnf install cri-o

export OS=CentOS_8
export VERSION=1.25

curl -L -o /etc/yum.repos.d/devel:kubic:libcontainers:stable.repo https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$OS/devel:kubic:libcontainers:stable.repo
curl -L -o /etc/yum.repos.d/devel:kubic:libcontainers:stable:cri-o:$VERSION.repo https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable:cri-o:$VERSION/$OS/devel:kubic:libcontainers:stable:cri-o:$VERSION.repo
yum install cri-o

https://minikube.sigs.k8s.io/docs/start/

Install kubectl

https://kubernetes.io/docs/tasks/tools/install-kubectl-linux/

Friday, October 7, 2022

Linux partition operations

Reference: https://ismailyenigul.medium.com/resize-xfs-partition-without-lvm-df3ea681c6d3

# lsblk

# dnf install cloud-utils-growpart -y

# growpart /dev/sda 3

CHANGED: partition=3 start=6293504 old: size=35649536 end=41943040 new: size=203421663 end=209715167

# df -h

Filesystem Size Used Avail Use% Mounted on

devtmpfs 1.8G 0 1.8G 0% /dev

tmpfs 1.8G 0 1.8G 0% /dev/shm

tmpfs 1.8G 8.5M 1.8G 1% /run

tmpfs 1.8G 0 1.8G 0% /sys/fs/cgroup

/dev/sda3 17G 2.4G 15G 14% /

/dev/sda1 1014M 349M 666M 35% /boot

tmpfs 364M 0 364M 0% /run/user/0

# xfs_growfs /

meta-data=/dev/sda3 isize=512 agcount=4, agsize=1114048 blks

= sectsz=512 attr=2, projid32bit=1

= crc=1 finobt=1, sparse=1, rmapbt=0

= reflink=1

data = bsize=4096 blocks=4456192, imaxpct=25

= sunit=0 swidth=0 blks

naming =version 2 bsize=4096 ascii-ci=0, ftype=1

log =internal log bsize=4096 blocks=2560, version=2

= sectsz=512 sunit=0 blks, lazy-count=1

realtime =none extsz=4096 blocks=0, rtextents=0

data blocks changed from 4456192 to 25427707