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>> update all, including what is set as exclude in yum.conf # yum check-update --disableexcludes=all >> update only the security related patches the server # yum update --security >> how to rollback a recent package # rpm -Uvh --rollback '1 hour ago' >> check if a packaged is patched against a particular CVE with: rpm -q --changelog {package-name} | grep CVE-NUMBER >> Check if a package is from repository or not Example: httpd 1) Get the PID of httpd # netstat -tnlp | grep httpd tcp 0 0 :::80 :::* LISTEN 7568/httpd tcp 0 0 :::443 :::* LISTEN 7568/httpd # lsof -p 7568 | less (and find what's the "bin" for httpd, in this case is /usr/sbin/httpd ) # rpm -qf /usr/sbin/httpd httpd-2.2.15-30.el6_5.x86_64 Verified: package part of RH repositories |