错误! 此系统缺少 (systemd), 请尝试执行: /usr/bin/yum update -y;/usr/bin/yum install systemd -y 来修复此错误.

[root@server ~]# bash <(curl -sL https://git.io/v2ray.sh)

错误! 此系统缺少 (systemd), 请尝试执行: /usr/bin/yum update -y;/usr/bin/yum install systemd -y 来修复此错误.

[root@server ~]# /usr/bin/yum update -y;/usr/bin/yum install systemd -y
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile

• base: mirrors.aliyun.com
• epel: epel.mirror.angkasa.id
• extras: mirrors.aliyun.com
• updates: mirrors.aliyun.com
  ookla_speedtest-cli/x86_64/signature | 833 B 00:00:00
  ookla_speedtest-cli/x86_64/signature | 1.8 kB 00:00:00 !!!
  ookla_speedtest-cli-source/signature | 833 B 00:00:00
  ookla_speedtest-cli-source/signature | 951 B 00:00:00 !!!
  No packages marked for update
  Loaded plugins: fastestmirror
  Loading mirror speeds from cached hostfile
• base: mirrors.aliyun.com
• epel: epel.mirror.angkasa.id
• extras: mirrors.aliyun.com
• updates: mirrors.aliyun.com
  Package systemd-219-78.el7_9.7.x86_64 already installed and latest version
  Nothing to do

明显systemd存在

CentOS Linux release 7.9.2009 (Core)

Start by running the reported bash <(curl -sL https://git.io/v2ray.sh) command in the stated CentOS Linux 7.9.2009 environment, then trace the installer’s systemd check. Compare that check with the installed systemd package shown in the report; done means the installer no longer incorrectly reports systemd as missing and can continue.