tcatest: command not found

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/tcatest - from package: tokyocabinet

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

On Debian possible default full paths are:

/usr/bin/tcatest - from package: tokyocabinet-bin

You may install the required package with command apt-get install {package}

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