查看当前Linux系统

• lsb_release -a

• 正常情况下可看见

  Distributor ID: Debian 此处Debian可以为其他系统
  

  • 运行此命令出现 -bash: lsb_release: command not found 时

     Debian:apt-get -y install wget
     Ubuntu:apt-get -y install wget
     Centos:yum -y install wget
    

查看VPS虚拟化技术

• 安装virt-what

  Debian:apt -y install virt-what
  Ubuntu:apt -y install virt-what
  Centos:yum -y install virt-what
  

  • 输入virt-what等待输出 输出内容通常为:kvm/openvz/xen/Hyper-v/... 代表意义请自行Google / Baidu / Bing

简单查看内存(包含Mem 与 Swap)

free -h

• 等待输出 通常为以下格式

   total(总量) used(已占用)free(空闲) shared buff/cache available
  

Mem: 1G 0M 1G 0K 0M 0M
Swap: 2G 0M 2G

简单查看硬盘

df -h

• 等待输出

  • 硬盘与实际大小不符时可运行(参考:https://mengniuge.com/vps-resize2fs.html)

    resize2fs /dev/vda1 /dev/vda1替换为你要修正的硬盘
    

简单查看磁盘分区

fdisk -l

• 等待输出

简单查看CPU

lscpu

• 等待输出

一键添加swap脚本 (from:https://www.moerats.com/archives/722/)

 wget https://raw.githubusercontent.com/ECIAP/Linux-novice-one-click-script-summary/master/swap.sh && bash swap.sh

• 运行此脚本出现 -bash: wget: command not found时

   Debian:apt-get -y install wget
   Ubuntu:apt-get -y install wget
   Centos:yum -y install wget
  

bbr 原版/魔改/plus+锐速 四合一脚本 (from:https://github.com/chiakge/Linux-NetSpeed)

 wget -N --no-check-certificate "https://raw.githubusercontent.com/chiakge/Linux-NetSpeed/master/tcp.sh"
 chmod +x tcp.sh
 ./tcp.sh

• 如果运行此脚本出现证书错误时

  Debian: apt-get -y install ca-certificates
  Ubuntu: apt-get -y install ca-certificates
  Centos: yum -y install ca-certificates