Red Hat 7

# subscription-manager register --auto-attach
Registrando em: subscription.rhsm.redhat.com:443/subscription 
Nome do Usuário: nome do usuario 
Senha: senha 
O sistema foi registrado com ID: 00000000-0000-0000-0000-000000000000 
O nome do sistema registrado é: servidor.dominio.com.br 
Estado Atual do Produto Instalado: 
Nome do Produto: Red Hat Enterprise Linux Server 
Estado: Subscrito
[root@servidor ~]# subscription-manager repos --enable=rhel-7-server-optional-rpms
Repositório 'rhel-7-server-optional-rpms' habilitado para este sistema.
[root@servidor ~]# subscription-manager repos --enable=rhel-7-server-extras-rpms
Repositório 'rhel-7-server-extras-rpms' habilitado para este sistema.

EPEL 

[root@servidor ~]# yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
Plugins carregados: product-id, search-disabled-repos, subscription-manager
epel-release-latest-7.noarch.rpm                                                                                                                                      |  15 kB  00:00:00
Examinando /var/tmp/yum-root-3VWMJb/epel-release-latest-7.noarch.rpm: epel-release-7-11.noarch
Marcando /var/tmp/yum-root-3VWMJb/epel-release-latest-7.noarch.rpm para ser instalado
Resolvendo dependências
--> Executando verificação da transação
---> O pacote epel-release.noarch 0:7-11 será instalado
--> Resolução de dependências finalizada

Dependências resolvidas

=============================================================================================================================================================================================
 Package                                     Arq.                                  Versão                                 Repo                                                          Tam.
=============================================================================================================================================================================================
Instalando:
 epel-release                                noarch                                7-11                                   /epel-release-latest-7.noarch                                 24 k

Resumo da transação
=============================================================================================================================================================================================
Instalar  1 Package

Tamanho total: 24 k
Tamanho depois de instalado: 24 k
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Instalando   : epel-release-7-11.noarch                                                                                                                                                1/1
rhel-7-server-extras-rpms/x86_64                                                                                                                                      | 3.4 kB  00:00:00
rhel-7-server-extras-rpms/x86_64/group                                                                                                                                |  124 B  00:00:00
rhel-7-server-extras-rpms/x86_64/updateinfo                                                                                                                           | 198 kB  00:00:00
rhel-7-server-extras-rpms/x86_64/primary_db                                                                                                                           | 531 kB  00:00:00
rhel-7-server-extras-rpms/x86_64/productid                                                                                                                            | 2.1 kB  00:00:00
rhel-7-server-optional-rpms/7Server/x86_64                                                                                                                            | 3.2 kB  00:00:00
rhel-7-server-optional-rpms/7Server/x86_64/group                                                                                                                      |  28 kB  00:00:00
rhel-7-server-optional-rpms/7Server/x86_64/updateinfo                                                                                                                 | 2.3 MB  00:00:00
rhel-7-server-optional-rpms/7Server/x86_64/primary_db                                                                                                                 | 7.6 MB  00:00:01
rhel-7-server-rpms/7Server/x86_64                                                                                                                                     | 3.5 kB  00:00:00
rhel-7-server-rpms/7Server/x86_64/productid                                                                                                                           | 2.1 kB  00:00:00
  Verifying    : epel-release-7-11.noarch                                                                                                                                                1/1

Instalados:
  epel-release.noarch 0:7-11

Concluído!

Remi

[root@servidor ~]# yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
Plugins carregados: product-id, search-disabled-repos, subscription-manager
remi-release-7.rpm                                                                                                                                                    |  16 kB  00:00:00
Examinando /var/tmp/yum-root-3VWMJb/remi-release-7.rpm: remi-release-7.6-2.el7.remi.noarch
Marcando /var/tmp/yum-root-3VWMJb/remi-release-7.rpm para ser instalado
Resolvendo dependências
--> Executando verificação da transação
---> O pacote remi-release.noarch 0:7.6-2.el7.remi será instalado
--> Resolução de dependências finalizada

Dependências resolvidas

=============================================================================================================================================================================================
 Package                                      Arq.                                   Versão                                            Repo                                             Tam.
=============================================================================================================================================================================================
Instalando:
 remi-release                                 noarch                                 7.6-2.el7.remi                                    /remi-release-7                                  19 k

Resumo da transação
=============================================================================================================================================================================================
Instalar  1 Package

Tamanho total: 19 k
Tamanho depois de instalado: 19 k
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Instalando   : remi-release-7.6-2.el7.remi.noarch                                                                                                                                      1/1
epel/x86_64/metalink                                                                                                                                                  | 3.7 kB  00:00:00
epel/x86_64                                                                                                                                                           | 4.7 kB  00:00:00
epel/x86_64/group_gz                                                                                                                                                  |  88 kB  00:00:02
epel/x86_64/updateinfo                                                                                                                                                | 1.0 MB  00:00:04
epel/x86_64/primary_db                                                                                                                                                | 6.7 MB  00:00:27
  Verifying    : remi-release-7.6-2.el7.remi.noarch                                                                                                                                      1/1

Instalados:
  remi-release.noarch 0:7.6-2.el7.remi

Concluído!

cat /etc/security/limits.conf | grep -v ^# | grep -v ^$
*          hard    nofile              65536
*          soft    nofile              65536
*          hard    nproc               65536
*          soft    nproc               65536
# yum install net-tools
Plugins carregados: product-id, search-disabled-repos, subscription-manager
Resolvendo dependências
--> Executando verificação da transação
---> O pacote net-tools.x86_64 0:2.0-0.24.20131004git.el7 será instalado
--> Resolução de dependências finalizada

Dependências resolvidas

=============================================================================================================================================================================================
 Package                                 Arq.                                 Versão                                                  Repo                                              Tam.
=============================================================================================================================================================================================
Instalando:
 net-tools                               x86_64                               2.0-0.24.20131004git.el7                                rhel-7-server-rpms                               306 k

Resumo da transação
=============================================================================================================================================================================================
Instalar  1 Package

Tamanho total do download: 306 k
Tamanho depois de instalado: 918 k
Is this ok [y/d/N]: y
Downloading packages:
net-tools-2.0-0.24.20131004git.el7.x86_64.rpm                                                                                                                         | 306 kB  00:00:01
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Instalando   : net-tools-2.0-0.24.20131004git.el7.x86_64                                                                                                                               1/1
  Verifying    : net-tools-2.0-0.24.20131004git.el7.x86_64                                                                                                                               1/1

Instalados:
  net-tools.x86_64 0:2.0-0.24.20131004git.el7

Concluído!