Ubuntu

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About Ubuntu

AAA

Top 10 why Ubuntu bad for DAQ

  • Ubuntu desktop edition cannot install on mirrored (RAID1) disks
  • many missing packages

Install instructions

  • install missing packages
sudo apt-get install ssh
sudo apt-get install git g++
sudo apt-get install libz-dev sqlite sqlite3 libsqlite3-dev sqliteman libmysqlclient-dev unixodbc-dev
sudo apt-get install libssl-dev
sudo apt-get install smartmontools
sudo apt-get install emacs xemacs21
sudo apt-get install mutt
  • setup time synchronization
apt-get install chrony
add time1, time2, time3 to the time servers, comment out ntp pool servers in /etc/chrony/chrony.conf
killall chronyd
chronyd
chronyc sources
chronyc tracking
  • setup email
apt-get install postfix ### select "satellite system", enter full hostname "xxx.triumf.ca", enter "smtp.triumf.ca"
echo olchansk@triumf.ca >> ~/.forward
mailx root
test
^D
  • install Konstantin's scripts
mkdir ~root/git
cd ~root/git
git clone http://ladd00.triumf.ca/~olchansk/git/scripts.git
cd scripts
git pull
  • enable root login from ladd00
ssh localhost
CTRL-C
/bin/cp ./git/scripts/etc/authorized_keys .ssh/
  • enable automatic updates
sudo apt-get install unattended-upgrades
edit /etc/apt/apt.conf.d/50unattended-upgrades ### uncomment "-updates", uncomment "::Mail "root""

NIS instructions

  • sudo apt-get install portmap nis ### will ask for NIS domain (LADD-NIS)
  • ypwhich -m
  • sudo apt-get install autofs
  • sudo vi /etc/nsswitch.conf ### add the automount line, modify the passwd, group and shadow lines to read this:
passwd: files nis
group: files nis
shadow: files nis
automount:  files nis
  • sudo vi /etc/idmapd.conf ### add line: "Domain = triumf.ca"
  • reboot

Update to new version of Ubuntu

do-release-upgrade