clips: 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/clips - from package: clips

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

On Debian possible default full paths are:

/usr/bin/clips - from package: clips

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