systemctl disable --now firewalld 
systemctl disable --now dnsmasq
systemctl disable --now NetworkManager

setenforce 0
sed -i 's#SELINUX=permissive#SELINUX=disabled#g' /etc/sysconfig/selinux
sed -i 's#SELINUX=permissive#SELINUX=disabled#g' /etc/selinux/config
reboot
getenforce


swapoff -a && sysctl -w vm.swappiness=0
sed -ri '/^[^#]*swap/s@^@#@' /etc/fstab

dnf install ncdu

# 找出当前目录下最大的10个文件/目录
du -ah . | sort -rh | head -n 10

# 找出家目录下大于100M的文件
find ~ -type f -size +100M -exec ls -lh {} \; | awk '{ print $9 ": " $5 }'

rm -rf ~/.cache/*
sudo rm -rf /tmp/*
sudo rm -rf /var/tmp/*

# 删除所有停止的容器
podman container prune -y

# 删除所有未被任何容器引用的镜像（悬空镜像）
podman image prune

# 更激进的清理：删除所有未被运行的容器使用的镜像
podman image prune -a

# 清理构建缓存
podman builder prune

# 最彻底的清理：删除所有停止的容器、所有未被容器使用的网络、所有悬空镜像和构建缓存
podman system prune
podman system prune -a # 更加彻底，会删除所有未被使用的镜像，而不仅仅是悬空的

#!/bin/bash
ES_HOST="http://192.168.58.2:30910"
ES_BACKUP_REPO_NAME="s3_fs_repository"
S3_CLIENT="default"
ES_BACKUP_BUCKET_IN_S3="es-snapshot"
ES_SNAPSHOT_TAG="auto"

CHECK_RESPONSE=$(curl -s -k -X POST "$ES_HOST/_snapshot/$ES_BACKUP_REPO_NAME/_verify?pretty" )
CHECKED_NODES=$(echo "$CHECK_RESPONSE" | jq -r '.nodes')


if [ "$CHECKED_NODES" == null ]; then
  echo "Doesn't exist an ES backup setting..."
  echo "A default backup setting will be generated. (using '$S3_CLIENT' s3 client and all backup files will be saved in a bucket : '$ES_BACKUP_BUCKET_IN_S3'"

  CREATE_RESPONSE=$(curl -s -k -X PUT "$ES_HOST/_snapshot/$ES_BACKUP_REPO_NAME?pretty" -H 'Content-Type: application/json' -d "{\"type\":\"s3\",\"settings\":{\"bucket\":\"$ES_BACKUP_BUCKET_IN_S3\",\"client\":\"$S3_CLIENT\"}}")
  CREATE_ACKNOWLEDGED_FLAG=$(echo "$CREATE_RESPONSE" | jq -r '.acknowledged')

  if [ "$CREATE_ACKNOWLEDGED_FLAG" == true ]; then
    echo "Buckup setting '$ES_BACKUP_REPO_NAME' has been created successfully!"
  else
    echo "Failed to create backup setting '$ES_BACKUP_REPO_NAME', since $$CREATE_RESPONSE"
  fi
else
  echo "Already exist an ES backup setting '$ES_BACKUP_REPO_NAME'"
fi

CHECK_RESPONSE=$(curl -s -k -X POST "$ES_HOST/_snapshot/$ES_BACKUP_REPO_NAME/_verify?pretty" )
CHECKED_NODES=$(echo "$CHECK_RESPONSE" | jq -r '.nodes')

if [ "$CHECKED_NODES" != null ]; then
  SNAPSHOT_NAME="meta-data-$ES_SNAPSHOT_TAG-snapshot-$(date +%s)"
  SNAPSHOT_CREATION=$(curl -s -k -X PUT "$ES_HOST/_snapshot/$ES_BACKUP_REPO_NAME/$SNAPSHOT_NAME")
  echo "Snapshot $SNAPSHOT_NAME has been created."
else
  echo "Failed to create snapshot $SNAPSHOT_NAME ."
fi

yum install sshpass -y
mkdir -p /extend/shell

cat >>/extend/shell/fenfa_pub.sh<< EOF
#!/bin/bash
ROOT_PASS=root123
ssh-keygen -t rsa -f ~/.ssh/id_rsa -P ''
for ip in 101 102 103 
do
sshpass -p\$ROOT_PASS ssh-copy-id -o StrictHostKeyChecking=no 192.168.29.\$ip
done
EOF

cd /extend/shell
chmod +x fenfa_pub.sh

./fenfa_pub.sh

export https_proxy=http://localhost:20171