How to install ETCD from source code

1/ OS environment:

root@srv111:/# uname -a

Linux srv111 4.15.0-118-generic #119-Ubuntu SMP Tue Sep 8 12:30:01 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

root@srv111:/# cat /etc/lsb-release 

DISTRIB_ID=Ubuntu

DISTRIB_RELEASE=18.04

DISTRIB_CODENAME=bionic

DISTRIB_DESCRIPTION="Ubuntu 18.04.5 LTS"

root@srv111:/# 

2/ Config Host file:

#HOST FILE:
chattr -i -f /etc/hosts
cp -vR /etc/hosts /etc/hosts-
#{
cat <<EOF > /etc/hosts
#!/bin/bash
127.0.0.1 localhost
10.0.2.111 srv111
10.0.2.112 srv112
10.0.2.113 srv113
#
10.0.2.111 etcd1.mgiay.local etcd1
10.0.2.112 etcd2.mgiay.local etcd2
10.0.2.113 etcd3.mgiay.local etcd3
#THE-END
EOF
cat /etc/hosts
chattr +i -f /etc/hosts
#}

#

3/ Install ETCD from sourcecode:

cd /opt/setup/

time (curl -s https://api.github.com/repos/etcd-io/etcd/releases/latest \

|grep browser_download_url \

|grep linux-amd64 \

|cut -d '"' -f 4 \

|wget -qi -)

#

cd /opt/setup/;

tar -xf etcd*;

cd etcd-v3.3.25-linux-amd64;

cp -vR etcd* /usr/sbin/;

source /etc/profile;

etcd -version; etcdctl -version;

4/ Check result:

root@srv111:/# date;etcd -version; 

Wed Oct 21 17:34:17 +07 2020

etcd Version: 3.3.25

Git SHA: 2c834459e

Go Version: go1.12.17

Go OS/Arch: linux/amd64

root@srv111:/# 

root@srv111:/# date; etcdctl -version;

Wed Oct 21 17:34:23 +07 2020

etcdctl version: 3.3.25

API version: 2

root@srv111:/#