CentOS

Upgrade

$ cat /etc/centos-release
CentOS Linux release 7.2.1511 (Core)
# yum clean all && yum upgrade

Interface réseau

/etc/sysconfig/network-scripts/ifcfg-eth0 :

DEVICE="eth0"
TYPE="Ethernet"
ONBOOT="yes"
BOOTPROTO="static"
IPADDR="192.168.1.30"
NETMASK="255.255.255.0"
GATEWAY="192.168.1.1"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"

Paquets

Le dépôt EPEL

Installation de RHEL EPEL 7 :

# yum install epel-release

Installation de RHEL EPEL 6 :

# rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

Redémarrer le noyau à chaud

# yum install kexec-tools
# kexec -l /boot/vmlinuz-3.10.0-123.6.3.el7.x86_64 \
    --initrd=/boot/initramfs-3.10.0-123.6.3.el7.x86_64.img \
    --command-line="root=/dev/mapper/centos-root ro rd.lvm.lv=centos/swap vconsole.font=latarcyrheb-sun16 rd.lvm.lv=centos/root crashkernel=auto vconsole.keymap=us rhgb quiet LANG=en_US.UTF-8"
# systemctl start kexec.target

Sources