Linux Automation: Difference between revisions
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| Line 13: | Line 13: | ||
=Automatic update using crontab= | =Automatic update using crontab= | ||
#echo 'MAILTO=""' > mycron | ~# echo 'MAILTO=""' > mycron | ||
#echo "00 05 * * * apt-get update && apt-get -y upgrade -s | logger | ~# echo "00 05 * * * apt-get update && apt-get -y upgrade -s | logger | ||
#sudo crontab mycron | ~# sudo crontab mycron | ||
#rm mycron | ~# rm mycron | ||
=Users and Groups= | =Users and Groups= | ||
Revision as of 20:33, 14 December 2020
Setup a proxy server for apt
echo 'Acquire::http::Proxy "http://myserver.com.com:port";' > /etc/apt/apt.conf
Update using apt
- Possible commands
apt-get -y upgrade -s
apt-get -y upgrade -s; logger "APT has been applied"
unattended-upgrade --dry-run -d
Automatic update using crontab
~# echo 'MAILTO=""' > mycron ~# echo "00 05 * * * apt-get update && apt-get -y upgrade -s | logger ~# sudo crontab mycron ~# rm mycron
Users and Groups
Configure sudo to gain root privileges for users
- /etc/sudoers (use visudo -f)
root ALL=(ALL:ALL) ALL
- Add user joe to sudo
usermod -a -G sudo joe
- Add a system user (no shell)
useradd -M systemuser
- Prevent login
usermod -L systemuser