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System Administrators Checklist

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Revision as of 15:15, 21 December 2020 by Pravs (talk | contribs) (Pre-Requisites (you need to learn yourself): Add link for ssh key authentication)
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Pre-Requisites (you need to learn yourself)

  1. How to install GNU/Linux - Follow
  2. Familiarity with Command Line - Follow
  3. disk partitioning with logical volume manager
  4. authenticating with ssh keys - Follow and

Server basics (we will teach you)

  1. switching users (sudo, su)
  2. remote access (scp, rsync, custom ssh port, mosh),
  3. software raid
  4. encrypted partitions/luks (using virtual machines)
  5. firewall with ufw
  6. postgresql replication (backup)
  7. scheduled backups (rsync and cron)
  8. lxc container (setup services on your local machine)
  9. sharing passwords with gpg encrypted files
  10. nginx basics (setup web server, add custom index page)
  11. screen/tmux/nohup
  12. symbolic links (ln -s)
  13. locales
  14. environment variables
  15. local network configuration (/etc/hosts, ip, ss).
  16. Starting and stopping services (systemctl)
  17. Log file handling (tail -f, truncate, logrotate)

Switching users

sudo or su commands can be used to run commands as different users. `sudo -u <username>` for running as different user. `su - postgres` can give you a shell as postgres user.

Remote access to machines

  1. . ssh - remote shell (with ssh server on custom ports)
  2. . scp/sftp/rsync - copy files
  3. . mosh - for bad connections

Symbolic links

Symbolic links can be used to store data in data partition without changing configuration files. For example /var/lib/postgresql can be a symbolic link to /data/postgresql where /data is a dedicated partition for storing data.

Setup correct Locales

`dpkg-reconfigure locales`

Free Software Camp Tasks

Free Software Camp Resources