yum -y update kernel kernel-headers kernel-tools kernel-tools-libs python-perf yum -y update bind-libs-lite bind-license expat expat-devel yum -y update systemd systemd-libs systemd-sysv bash libssh2 yum -y update krb5-libs yum update microcode_ctl wpa_supplicant yum -y update curl libcurl binutils expat libX11 libX11-common libX11-devel yum -y update glibc glibc-common glibc-devel glibc-headers nscd yum -y update dracut dracut-config-rescue dracut-network yum -y update plymouth-core-libs plymouth-scripts glib2 yum -y update dhclient dhcp-common dhcp-libs