capsh: 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/sbin/capsh - from package: libcap

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

On Debian possible default full paths are:

/sbin/capsh - from package: libcap2-bin

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

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