Checking mysqld ps: illegal argument: mysqld usage: ps [-aCcefHhjlmrSTuvwXxZ] [-O fmt | -o fmt] [-G gid[,gid...]] [-M core] [-N system] [-p pid[,pid...]] [-t tty[,tty...]] [-U user[,user...]] ps [-L] Checking sshd ps: illegal argument: sshd usage: ps [-aCcefHhjlmrSTuvwXxZ] [-O fmt | -o fmt] [-G gid[,gid...]] [-M core] [-N system] [-p pid[,pid...]] [-t tty[,tty...]] [-U user[,user...]] ps [-L] Checking lighttpd ps: illegal argument: lighttpd usage: ps [-aCcefHhjlmrSTuvwXxZ] [-O fmt | -o fmt] [-G gid[,gid...]] [-M core] [-N system] [-p pid[,pid...]] [-t tty[,tty...]] [-U user[,user...]] ps [-L] mysqld -> UP sshd -> UP lighttpd -> UP