bsqlodbc: 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/bsqlodbc - from package: freetds

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

On Debian possible default full paths are:

/usr/bin/bsqlodbc - from package: freetds-bin

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