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yum update glibc-headers
yum update nscd
yum update glibc
yum update glibc-common
yum update glibc-devel
yum update libssh2
yum update tcpdump
yum update elfutils-default-yama-scope
yum update python-libs
yum update kernel
yum update libxkbcommon
yum update python
yum update libcurl-devel