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@crazytaxii
crazytaxii / etcd-deploy.sh
Created October 19, 2020 07:45
Install single etcd on CentOS
#!/bin/bash
ETCD_VER=v3.4.13
DOWNLOAD_URL=https://github.com/etcd-io/etcd/releases/download
DATA_DIR=/var/lib/etcd
curl -L ${DOWNLOAD_URL}/${ETCD_VER}/etcd-${ETCD_VER}-linux-amd64.tar.gz -o /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz
tar xvzf /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz -C /usr/local/bin --strip-components=1
rm -rf /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz
@crazytaxii
crazytaxii / nsq-depoy.sh
Last active November 4, 2020 07:52
nsq-deploy.sh
#!/bin/bash
set -e
download_nsq() {
wget -O /tmp/nsq-1.2.0.linux-amd64.go1.12.9.tar.gz https://github.com/nsqio/nsq/releases/download/v1.2.0/nsq-1.2.0.linux-amd64.go1.12.9.tar.gz
tar xvzf /tmp/nsq-1.2.0.linux-amd64.go1.12.9.tar.gz -C /tmp/
mv /tmp/nsq-1.2.0.linux-amd64.go1.12.9/bin/* /usr/local/bin
rm -rf /tmp/nsq-1.2.0.linux-amd64.go1.12.9
}
@crazytaxii
crazytaxii / nfs.sh
Last active January 12, 2021 07:04
Deploying local nfs service for testing.
#!/bin/bash
set -e
# Default settings
NFS_DATA_DEV=${NFS_DATA_DEV:-/dev/sdb}
NFS_DATA_DIR=${NFS_DATA_DIR:-/nfs/data}
install_dep() {
sudo yum install nfs-utils -y
}
@crazytaxii
crazytaxii / kubeadm-prerequisites.sh
Last active May 21, 2025 07:09
Preparing for installing kubeadm.
#!/bin/bash
set -e
CNI_VERSION="v1.3.0"
ARCH="amd64"
CRICTL_VERSION="v1.27.1"
CONTAINERD_VERSION="1.7.26"
# The [ -t 1 ] check only works when the function is not called from
# a subshell (like in `$(...)` or `(...)`, so this hack redefines the
@crazytaxii
crazytaxii / golang-devenv.sh
Last active June 6, 2021 14:01
Setting up a Golang development environment quickly!
#!/bin/bash
set -e
install_docker() {
sudo yum install yum-utils -y
sudo yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io -y
sudo systemctl is-active --quiet docker || sudo systemctl start docker
@crazytaxii
crazytaxii / install_gcc_from_source.md
Last active May 17, 2021 15:08
Compile and install gcc 4.9.0 from source
@crazytaxii
crazytaxii / install_cmake_from_source.md
Last active November 29, 2025 16:45
Compile and install cmake from source

Install cmake from source

Download cmake from https://cmake.org/download/

$ wget https://cmake.org/files/v3.12/cmake-3.12.3.tar.gz

Build from source and install

@crazytaxii
crazytaxii / ceph3nodes.sh
Last active December 22, 2021 05:26
Deploy 3 nodes Ceph cluster for testing.
#!/bin/bash
set -e
CEPH_VER=${CEPH_VER:-"15.2.1"}
OSD_DEV=${OSD_DEV:-/dev/sdb}
ssh_test() {
if [[ $(ssh root@$1 exit) -ne 0 ]]
then
echo "failed to login $1 as root" && exit 1
@crazytaxii
crazytaxii / upgrade_centos_kernel.sh
Created January 9, 2022 16:07
Upgrade CentOS Linux kernel to latest
#!/bin/bash
set -e
main() {
yum update -y
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh https://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
yum --enablerepo=elrepo-kernel install kernel-ml -y
sudo awk -F\' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2.cfg
sudo grub2-set-default 0
@crazytaxii
crazytaxii / install-etcd.sh
Created January 10, 2022 06:09
Install etcd
#!/bin/bash
set -e
GOOGLE_URL=https://storage.googleapis.com/etcd
GITHUB_URL=https://github.com/etcd-io/etcd/releases/download
DOWNLOAD_URL=${GOOGLE_URL}
main() {
os=linux
if [[ "$(uname -s)" == "Darwin" ]]; then