SUDO APT GET UPDATE SCRIPT CODE

For example when installing Postgresql-9.5 in Debian 9, creating an excutable shell script (/usr/sbin/policy-rc.d) that throws a return code of 101 will stop Postgresql 9.5 starting up after install. Most distributions have mechanisms to avoid this. In most cases, packages installed with apt will start newly installed services by default.

SUDO APT GET UPDATE SCRIPT UPGRADE

Three of the upgrade modes ( full, safe and its alias true) required aptitude up to 2.3, since 2.4 apt-get is used as a fall-back.

Controlling how Ansible behaves: precedence rules.

Collections in the Theforeman Namespace.

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Collections in the Servicenow Namespace.

Collections in the Purestorage Namespace.

Collections in the Openvswitch Namespace.

Collections in the Netapp_eseries Namespace.

Collections in the Kubernetes Namespace.

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Virtualization and Containerization Guides.

Protecting sensitive data with Ansible vault.

One word of caution I would not add apt-get -y dist-upgrade to your scripts, run that one when you are prepared to deal with it, should it run awry. Have fun with these tools as they can make life of a SysAdmin much easier.

SUDO APT GET UPDATE SCRIPT GENERATOR

You access the crontab with crontab -e which will edit the crontab with the defined system editor (usually vim in linux).There is a crontab generator to help you at:Īdd the line: 5 0 1 * * /root/scripts/updater.sh

So if we add our updater.sh script to the crontab all we have to do is add files to ~/scripts/sysupdates and they will get run automatically. Cron is a program that runs a given script at a specified interval. The last part of this to edit the root crontab. It only takes a minute and will save headaches down the road, remember you may not remember why you created it later or what it did, or it may not be you who has to maintain it one day. # Purpose: run update scripts from ~/scripts/sysupdatesįor SCRIPT in `ls ~/scripts/sysupdates` do $ doneĭo yourself a favor and get in the habit of making proper header for each file you create. # Date: yyyymmdd - ee (ee = times edited)

postfix, qmail, update) then you can loop through them with one script in ~/scripts which can be something like: #/usr/bin/bash If you create the files for what you want to update as mentioned above (eg. This also has the purpose of limiting our entries in other places, as you will soon see.

This mirrors the function of other *nix systems like init.d and will make maintaining the system easier and intuitive. If you are going to utilize a number of these files I would create a special dir for them like ~/scripts/sysupdates and try to keep each file to doing only one thing. The trick is to try to write code that is reusable and thereby make your life easier. It is always a good idea to keep a scripts directory of some sort to house the little scripts that you use to manage your system(s) over time you will end up with quite a few and every administrator has his/her 'toolbox' that they keep for these things. Something like this is usually best kept in ~/bin or ~/scripts so if it doesn't exist you may need to create it and than verify that the new home is part of your PATH. The best practice concerning what you want to accomplish is to become root sudo su - and then work in the /root user dir. This is best automated by the root/admin account and not left in the files of a standard user.

Sudo apt get update script