centos7.9 安装后找不到命令

``````[root@localhost ~]# wget https://d2learn.org/xlings-install.sh -O - | bash --2025-08-07 22:31:01-- https://d2learn.org/xlings-install.sh 正在解析主机 d2learn.org (d2learn.org)... 8.217.147.237 正在连接 d2learn.org (d2learn.org)|8.217.147.237|:443... 已连接。 已发出 HTTP 请求，正在等待回应... 200 OK 长度：4038 (3.9K) [application/octet-stream] 正在保存至: “STDOUT” 100%[===================================================================================================================================================>] 4,038 --.-K/s 用时 0s 2025-08-07 22:31:02 (199 MB/s) - 已写入至标准输出 [4038/4038] __ __ _ _ \ \ / / | | (_) pre-v0.0.4 \ V / | | _ _ __ __ _ ___ > < | | | || '_ \ / _ |/ __| / . \ | |____| || | | || (_| |\__ \ /_/ \_\ |______|_||_| |_| \__, ||___/ __/ | |___/ repo: https://github.com/d2learn/xlings forum: https://forum.d2learn.org --- Testing network... Latency for github.com : 104.875 ms Latency for gitee.com : 16.375 ms Downloading xlings... % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 105k 0 105k 0 0 177k 0 --:--:-- --:--:-- --:--:-- 177k Extracting files... Running install.unix.sh... [xlings]: start detect environment and try to auto config... [xlings]: start install xmake... /root/.xlings_software_install/xlings-main/bin/xmake: /lib64/libm.so.6: version `GLIBC_2.29' not found (required by /root/.xlings_software_install/xlings-main/bin/xmake) /root/.xlings_software_install/xlings-main/bin/xmake: /lib64/libc.so.6: version `GLIBC_2.28' not found (required by /root/.xlings_software_install/xlings-main/bin/xmake) /root/.xlings_software_install/xlings-main/bin/xmake: /lib64/libc.so.6: version `GLIBC_2.29' not found (required by /root/.xlings_software_install/xlings-main/bin/xmake) tools/install.unix.sh:行65: xlings: 未找到命令 [xlings]: xlings installed run [ xlings help ] get more information after restart cmd/shell to refresh environment Cleaning up... Removing /root/.xlings_software_install(tmpfiles)... Installation completed! [root@localhost ~]# xlings help bash: xlings: 未找到命令... [root@localhost ~]# ```