Désactiver SElinux sous Centos / RHEL

Activer ou désactiver selinux. Aller dans le fichier /etc/selinux/config puis mettre l’entrée SELINUX à disabled

# vi /etc/selinux/config

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=enforcing
# SELINUXTYPE= can take one of these two values:
#     targeted - Targeted processes are protected,
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted

Fichier après la modification

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these two values:
#     targeted - Targeted processes are protected,
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted

On redémarre ensuite la machine.

Linux: afficher la taille des fichiers et des répertoires

Pour afficher la taille des fichiers et des répertoires, on peut utiliser la commande du:

linux# du -hs *
9,1M bin
130M boot
4,0K cdrom
4,0K dev
69M etc
...

openssl: afficher une clé privé

# openssl rsa -noout -text -in lacle.key