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IP.SB不让直接CURL了。需要加UA

#!/usr/bin/env bash
set -o errexit
set -o nounset
set -o pipefail

# Automatically update your CloudFlare DNS record to the IP, Dynamic DNS
# Can retrieve cloudflare Domain id and list zone's, because, lazy

# Place at:
# curl https://raw.githubusercontent.com/yulewang/cloudflare-api-v4-ddns/master/cf-v4-ddns.sh > /usr/local/bin/cf-ddns.sh && chmod +x /usr/local/bin/cf-ddns.sh
# run `crontab -e` and add next line:
# */1 * * * * /usr/local/bin/cf-ddns.sh >/dev/null 2>&1
# or you need log:
# */1 * * * * /usr/local/bin/cf-ddns.sh >> /var/log/cf-ddns.log 2>&1


# Usage:
# cf-ddns.sh -k cloudflare-api-key \
#            -u user@example.com \
#            -h host.example.com \     # fqdn of the record you want to update
#            -z example.com \          # will show you all zones if forgot, but you need this
#            -t A|AAAA                 # specify ipv4/ipv6, default: ipv4

# Optional flags:
#            -f false|true \           # force dns update, disregard local stored ip

# default config

# API key, see https://www.cloudflare.com/a/account/my-account,
# incorrect api-key results in E_UNAUTH error
CFKEY="YOUR_cf_API_KEY"

# Username, eg: user@example.com
CFUSER="kele@live.it"

# Zone name, eg: example.com
CFZONE_NAME="kele.im"

# Hostname to update, eg: homeserver.example.com
CFRECORD_NAME="home.ddns.kele.im"

# Record type, A(IPv4)|AAAA(IPv6), default IPv4
CFRECORD_TYPE=A

# Cloudflare TTL for record, between 120 and 86400 seconds
CFTTL=300

# Ignore local file, update ip anyway
FORCE=false

# User Agent
USER_AGENT="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36"

WANIPSITE="https://api-ipv4.ip.sb/ip"

time=$(date "+%Y-%m-%d %H:%M:%S")

# Site to retrieve WAN ip, other examples are: bot.whatismyipaddress.com, https://api.ipify.org/ ...

if [ "$CFRECORD_TYPE" = "A" ]; then
  :
elif [ "$CFRECORD_TYPE" = "AAAA" ]; then
  WANIPSITE="https://api-ipv6.ip.sb/ip"
else
  echo "$CFRECORD_TYPE specified is invalid, CFRECORD_TYPE can only be A(for IPv4)|AAAA(for IPv6)"
  exit 2
fi

# get parameter
while getopts k:u:h:z:t:f: opts; do
  case ${opts} in
    k) CFKEY=${OPTARG} ;;
    u) CFUSER=${OPTARG} ;;
    h) CFRECORD_NAME=${OPTARG} ;;
    z) CFZONE_NAME=${OPTARG} ;;
    t) CFRECORD_TYPE=${OPTARG} ;;
    f) FORCE=${OPTARG} ;;
  esac
done

# If required settings are missing just exit
if [ "$CFKEY" = "" ]; then
  echo "Missing api-key, get at: https://www.cloudflare.com/a/account/my-account"
  echo "and save in ${0} or using the -k flag"
  exit 2
fi
if [ "$CFUSER" = "" ]; then
  echo "Missing username, probably your email-address"
  echo "and save in ${0} or using the -u flag"
  exit 2
fi
if [ "$CFRECORD_NAME" = "" ]; then
  echo "Missing hostname, what host do you want to update?"
  echo "save in ${0} or using the -h flag"
  exit 2
fi

# If the hostname is not a FQDN
if [ "$CFRECORD_NAME" != "$CFZONE_NAME" ] && ! [ -z "${CFRECORD_NAME##*$CFZONE_NAME}" ]; then
  CFRECORD_NAME="$CFRECORD_NAME.$CFZONE_NAME"
  echo " => Hostname is not a FQDN, assuming $CFRECORD_NAME"
fi

# Get current and old WAN ip
WAN_IP=`curl -s ${WANIPSITE} -A "${USER_AGENT}"`
echo $WAN_IP
WAN_IP_FILE=$HOME/.cf-wan_ip_$CFRECORD_NAME.txt
if [ -f $WAN_IP_FILE ]; then
  OLD_WAN_IP=`cat $WAN_IP_FILE`
else
  echo "No file, need IP"
  OLD_WAN_IP=""
fi

# If WAN IP is unchanged an not -f flag, exit here
if [ "$WAN_IP" = "$OLD_WAN_IP" ] && [ "$FORCE" = false ]; then
  echo "[${time}] WAN IP Unchanged, to update anyway use flag -f true"
  exit 0
fi

# Get zone_identifier & record_identifier
ID_FILE=$HOME/.cf-id_$CFRECORD_NAME.txt
if [ -f $ID_FILE ] && [ $(wc -l $ID_FILE | cut -d " " -f 1) == 4 ] \
  && [ "$(sed -n '3,1p' "$ID_FILE")" == "$CFZONE_NAME" ] \
  && [ "$(sed -n '4,1p' "$ID_FILE")" == "$CFRECORD_NAME" ]; then
    CFZONE_ID=$(sed -n '1,1p' "$ID_FILE")
    CFRECORD_ID=$(sed -n '2,1p' "$ID_FILE")
else
    echo "Updating zone_identifier & record_identifier"
    CFZONE_ID=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=$CFZONE_NAME" -H "Authorization: Bearer $CFKEY" -H "Content-Type: application/json" | grep -Po '(?<="id":")[^"]*' | head -1 )
    CFRECORD_ID=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$CFZONE_ID/dns_records?name=$CFRECORD_NAME" -H "Authorization: Bearer $CFKEY" -H "Content-Type: application/json"  | grep -Po '(?<="id":")[^"]*' | head -1 )
    echo "$CFZONE_ID" > $ID_FILE
    echo "$CFRECORD_ID" >> $ID_FILE
    echo "$CFZONE_NAME" >> $ID_FILE
    echo "$CFRECORD_NAME" >> $ID_FILE
fi

# If WAN is changed, update cloudflare
echo "Updating DNS to $WAN_IP"

RESPONSE=$(curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$CFZONE_ID/dns_records/$CFRECORD_ID" \
  -H "Authorization: Bearer $CFKEY" \
  -H "Content-Type: application/json" \
  --data "{\"id\":\"$CFZONE_ID\",\"type\":\"$CFRECORD_TYPE\",\"name\":\"$CFRECORD_NAME\",\"content\":\"$WAN_IP\", \"ttl\":$CFTTL}")

if [ "$RESPONSE" != "${RESPONSE%success*}" ] && [ "$(echo $RESPONSE | grep "\"success\":true")" != "" ]; then
  echo "[${time}] Updated succesfuly!"
  echo $WAN_IP > $WAN_IP_FILE
  exit
else
  echo 'Something went wrong :('
  echo "Response: $RESPONSE"
  exit 1
fi

一般这种情况都是因为项目分支过多，导致你要下载的东西太多，从而引起这个问题。网上有一个流传比较多的修改方案：

git config --global core.compression -1

使用上述命令，来修改压缩模式，我尝试过了没有用。

引起这个问题的根源是文件过多，所以我们可以分批次下载文件，先下载一部分，再下载剩下的。以下就是我的解决方案：

首先关闭 core.compression

git config --global core.compression 0

然后使用depth这个指令来下载最近一次提交

git clone --depth 1 url

然后获取完整库

git fetch --unshallow

最后pull一下查看状态，问题解决

git pull --all

实例-子网-安全组，加上规则。

删除多余附件

systemctl stop oracle-cloud-agent
systemctl disable oracle-cloud-agent
systemctl stop oracle-cloud-agent-updater
systemctl disable oracle-cloud-agent-updater

停止firewall

systemctl stop firewalld.service

禁止firewall开机启动

systemctl disable firewalld.service
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