1. 清除无用服务
systemctl list-unit-files --type=service | grep enabled

systemctl stop apache2.service

systemctl disable apache2.service
  1. 改默认Debian源
vim /etc/apt/sources.list
deb http://deb.debian.org/debian buster main
deb-src http://deb.debian.org/debian buster main
  1. 安装BBR-OpenVZ
wget https://github.com/tcp-nanqinlang/lkl-rinetd/releases/download/1.1.0-nocheckvirt/tcp_nanqinlang-rinetd-debianorubuntu-nocheckvirt-multiNIC.sh
bash tcp_nanqinlang-rinetd-debianorubuntu-nocheckvirt-multiNIC.sh
  1. 添加定时任务清理内存

添加脚本

vim /cleanram.sh
#!/bin/bash
#开始清理缓存
echo "I need fuck the ram"

#写入硬盘，防止数据丢失
sync

#延迟60秒给个机会
sleep 60

#清理内存缓存2和3默认不启用建议安全即可要开启删除#
#安全fuck
echo 1 > /proc/sys/vm/drop_caches
#fuck目录项和inode
#echo 2 > /proc/sys/vm/drop_caches
#fuck页面缓存目录项和inode
#echo 3 > /proc/sys/vm/drop_caches

添加权限

chmod +775 /fuckrameverytime.sh

添加定时任务(20分钟一次)

crontab -e
*/20 * * * * /cleanram.sh
  1. 开通fuse

这个需要直接申请工单技术服务，输入下面内容
标题：
I need to open fuse support
内容：
The OpenVZ needs to backup data to remote cloud, need to use fuse support, please help me open it, thank you
等待工单回复开通后重置镜像
apt-get install fuse
就可以愉快的玩耍了~

  1. 删除
apt remove libcurl4
apt install curl