News: Network problems; MacroServer memory leak; updated hasyutils, pyspectra, tnggui

• Network outage, 13.12.2021: affected beamlines P06, p08, duration about 2.5 h, AIO was not working because of time-out, also slow top, ssh, scp, dmesg, puppet runs, etc.

  IT: An optical link degraded. Try to monitor the linke. However Digital Optics Monitoring is cannot easily be automatised because optical links have different threshholds. Work is Ongoing.

  CRC checks to detect error are also problematic, many false alarms. Work is ongoing.

• Macroserver memory leak, reported by p10: reading a 3 GB data set a couple of times lead to the MacroServer to use all the memory. Solution: back-ported version of libjemalloc2, JK

• updated hasyutils, pyspectra, tnggui: Debian-11 compliance, TngGui: edit macros.