Ubuntu

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 subversion 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"", uncomment allowed-origins -security and -updates

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

Ubuntu package manager

• apt-get install xxx # install package xxx
• apt-get update
• apt-get upgrade
• apt-get dist-upgrade
• apt-get remove xxx # remove package xxx
• apt-cache show "." | grep ^Package # list al available packages