@inproceedings {179083, author = {Marc Merlin}, title = {Live Upgrading Thousands of Servers from an Ancient Red Hat Distribution to 10 Year Newer Debian Based One}, booktitle = {27th Large Installation System Administration Conference (LISA 13)}, year = {2013}, isbn = {978-1-931971-05-8}, address = {Washington, D.C.}, pages = {105--114}, url = {https://www.usenix.org/conference/lisa13/technical-sessions/presentation/merlin}, publisher = {USENIX Association}, month = nov }