ld.gold: command not found

Have You tried accessing the binary with the full path?

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/aarch64-linux-gnu/bin/ld.gold - from package: binutils-aarch64-linux-gnu
/usr/arm-linux-gnueabihf/bin/ld.gold - from package: binutils-arm-linux-gnueabihf
/usr/arm-linux-gnueabi/bin/ld.gold - from package: binutils-arm-linux-gnueabi
/usr/i586-linux-gnu/bin/ld.gold - from package: binutils-i586-linux-gnu
/usr/powerpc64le-linux-gnu/bin/ld.gold - from package: binutils-powerpc64le-linux-gnu
/usr/powerpc-linux-gnu/bin/ld.gold - from package: binutils-powerpc-linux-gnu
/usr/bin/ld.gold - from package: binutils
/usr/bin/ld.gold - from package: hardening-wrapper

You may install the required package with command apt-get install {package}
Error in other languages:
ld.gold: bevel nie gevind nie
ld.gold: comandă negăsită
ld.gold: comando não encontrado
ld.gold: commande introuvable
ld.gold: command not found
ld.gold: käsku ei ole
ld.gold: không tìm thấy lệnh
ld.gold: komanda nerasta
ld.gold: Kommando nicht gefunden.
ld.gold: kommandot finns inte
ld.gold: komut yok
ld.gold: nie znaleziono polecenia
ld.gold: níor aimsíodh an t-ordú
ld.gold: no se encontró la orden
ld.gold: no s'ha trobat l'ordre
ld.gold: opdracht niet gevonden
ld.gold: parancs nem található
ld.gold: perintah tidak ditemukan
ld.gold: príkaz nenájdený
ld.gold: příkaz nenalezen
ld.gold: команда не найдена
ld.gold: командата не е открита
ld.gold: 命令找不到
ld.gold: コマンドが見つかりません