jambrocio

#Identificar donde esta instalado JAVA alternatives --config java #Editar configuración vi .bash_profile #Valores JAVA_HOME=/usr/java/jdk1.8.0_202-amd64/jre/bin/java PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export PATH #Compilar source .bash_profile #Probar echo $JAVA_HOME

#Verificar estado del firewall systemctl status firewalld #Habilitar puerto firewall-cmd --add-port=80/tcp --permanent #Recompilando cambios firewall-cmd --reload #Listar puertos abiertos firewall-cmd --list-all

#En Centos cat /etc/centos-release #En Ubuntu cat /etc/*-release

#Actualizar sistema yum -y update yum install epel-release yum install wget telnet net-tools htop iftop nmap mlocate iotop yum install zip yum install nmap