t1disasm: 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 CentOS possible default full paths are:

/usr/bin/t1disasm - from package: t1utils

You may install the required package with command yum install {package}

On Debian possible default full paths are:

/usr/bin/t1disasm - from package: t1utils

You may install the required package with command apt-get install {package}
Error in other languages:
t1disasm: bevel nie gevind nie
t1disasm: comandă negăsită
t1disasm: comando não encontrado
t1disasm: commande introuvable
t1disasm: command not found
t1disasm: käsku ei ole
t1disasm: không tìm thấy lệnh
t1disasm: komanda nerasta
t1disasm: Kommando nicht gefunden.
t1disasm: kommandot finns inte
t1disasm: komut yok
t1disasm: nie znaleziono polecenia
t1disasm: níor aimsíodh an t-ordú
t1disasm: no se encontró la orden
t1disasm: no s'ha trobat l'ordre
t1disasm: opdracht niet gevonden
t1disasm: parancs nem található
t1disasm: perintah tidak ditemukan
t1disasm: príkaz nenájdený
t1disasm: příkaz nenalezen
t1disasm: команда не найдена
t1disasm: командата не е открита
t1disasm: 命令找不到
t1disasm: コマンドが見つかりません