On Sat, Jan 7, 2023 at 1:51 AM Konstantin Olchanski <olcha...@triumf.ca> wrote: > > > > > > > I cannot ssh to SL6 machines from current MacOS or Debian 20 or 22: > > > > SL 6 is obsolete, maybe time to upgrade? > > > > > Looking on my list of SL6 machines:
There is a third party SRPM at: https://urldefense.proofpoint.com/v2/url?u=http-3A__rnd.rajven.net_centos_6_os_SRPMS_openssh-2D6.4p1-2D1cnt6.1.src.rpm&d=DwIBaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=APF_X_sbP87-U3byu32i-cPT0N0xHPBEhLmLSTRjCbrt6c02NpZBAfu3Z0LoBDLm&s=RoFP8HoZRy6liEx_Q1o6LAJzDhmsdUjdbqtBPSwXUrI&e= There's also a yum repo next to it with various updated tools. Thing there is newer than 2018, but it may be recent enough for you. > experiment stations: dragon, musr, bnmr/bnqr, pol, titan. these are > medium/small sized experiments, > all software updates must be coordinated with experiment people. each > experiment station > has 2 or 3 SL6 computers (analysis station and VME frontend processor). > install ubuntu 22.04, > rebuild all experiment software, make experiment work again. takes about 1 > month of calendar > time per experiment station. > > two twist computers: upgrade by turning them off, they only exist to run > Absoft and Intel F90 compilers. > > T2K/ND280 in Japan (JParc): update from SL5 recently completed. > > DEAP dark matter search at SNOlab: running SL6 and will not be upgraded. > > one former central server runs SL6 to run ruby-on-rails-based inventory > database (does not work > on ubuntu). likely "upgrade" is move from physical machine to a VM. ("Just > rewrite your inventory > database using the latest framework-du-jour!", "yessir! getting on it right > away, sir!"). > > For some experiments, upgrade from CentOS-7 to Ubuntu 22 and upgrade from > Ubuntu 20 to Ubuntu 22 > has higher priority than upgrades from SL6. > > So SL6 machines exist, they perform useful function, it takes a significant > effort to upgrade > them (with no functional gain). In the mean time, nobody apprecates > unnecessary rocking > the boat (breaking SSH, HTTPS, etc). > > > -- > Konstantin Olchanski > Data Acquisition Systems: The Bytes Must Flow! > Email: olchansk-at-triumf-dot-ca > Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada