system environment/base
- acl - Access control list utilities
- ca-certificates - The Mozilla CA root certificate bundle
- centos-release - CentOS release file
- coreutils - A set of basic GNU tools commonly used in shell scripts
- createrepo - Creates a common metadata repository
- device-mapper - Device mapper utility
- device-mapper-event - Device-mapper event daemon
- device-mapper-multipath - Tools to manage multipath devices using device-mapper
- device-mapper-persistent-data - Device-mapper Persistent Data Tools
- dhclient - Provides the dhclient ISC DHCP client daemon and dhclient-script
- dhcp-common - Common files used by ISC dhcp client and server
- dracut - Initramfs generator using udev
- dracut-kernel - Metapackage to build generic initramfs with dracut with only kernel modules
- e2fsprogs - Utilities for managing ext2, ext3, and ext4 filesystems
- glibc-common - Common binaries and locale data for glibc
- hwdata - Hardware identification and configuration data
- initscripts - The inittab file and the /etc/init.d scripts
- iptables - Tools for managing Linux kernel packet filtering capabilities
- iptables-ipv6 - IPv6 support for iptables
- irqbalance - IRQ balancing daemon
- kpartx - Partition device manager for device-mapper devices
- lvm2 - Userland logical volume management tools
- microcode_ctl - Tool to update x86/x86-64 CPU microcode.
- nss-pam-ldapd - An nsswitch module which uses directory servers
- nss-softokn-freebl - Freebl library for the Network Security Services
- nss-sysinit - System NSS Initialization
- nss-tools - Tools for the Network Security Services
- rpm - The RPM package management system
- selinux-policy - SELinux policy configuration
- selinux-policy-targeted - SELinux targeted base policy
- smeserver-clamav - SME Server module to configure clamav
- tzdata - Timezone data
- udev - A userspace implementation of devfs
- upstart - An event-driven init system
- util-linux-ng - A collection of basic system utilities
- wpa_supplicant - WPA/WPA2/IEEE 802.1X Supplicant
- yum - RPM package installer/updater/manager
- yum-plugin-fastestmirror - Yum plugin which chooses fastest repository from a mirrorlist
- yum-plugin-post-transaction-actions - Yum plugin to run arbitrary commands when certain pkgs are acted on