手工安装minio并使用systemd管理

手工安装minio并使用systemd管理

环境
RHEL 7.6 3.10.0-957.el7.x86_64

安装
curl -O https://dl.min.io/server/minio/release/linux-amd64/minio
cp minio /usr/local/bin/
chmod a+x /usr/local/bin

配置文件
vim /etc/default/minio

MINIO_ACCESS_KEY=xxx
MINIO_SECRET_KEY=xxx
MINIO_VOLUMES=/data/minio/ 
MINIO_OPTS="--address :9000"

minio.service

vim /etc/systemd/system/minio.service

[Unit]
Description=Minio
Documentation=https://docs.minio.io 
Wants=network-online.target
After=network-online.target
AssertFileIsExecutable=/usr/local/bin/minio
[Service]
WorkingDirectory=/usr/local/
User=minio-user
Group=minio-user
PermissionsStartOnly= true 
EnvironmentFile=-/etc/default/minio
ExecStartPre=/bin/bash -c  "[ -n \"${MINIO_VOLUMES}\" ] || echo \"Variable MINIO_VOLUMES not set in /etc/default/minio\"" 
ExecStart=/usr/local/bin/minio server $MINIO_OPTS $MINIO_VOLUMES
StandardOutput=journal
StandardError=inherit
# Specifies the maximum file descriptor number that can be opened by this process 
LimitNOFILE=65536
# Disable timeout logic and wait until process is stopped 
TimeoutStopSec= 0 
# SIGTERM signal is used to stop Minio 
KillSignal=SIGTERM
SendSIGKILL=no
SuccessExitStatus=0 
[Install]
WantedBy=multi-user.target

注意：这里的User必须对/etc/default/minio中的MINIO_VOLUMES有读写权限，否则会报错
Failed at step USER spawning /bin/bash: No such process

Shell中生成随机密码的一些方法

echo $RANDOM $(openssl rand -base64 16)
cat /proc/sys/kernel/random/uuid | md5sum |cut -c 1-16
head /dev/urandom | md5sum |cut -c 1-16