APT /etc/systemd/apt-daily-upgrade.timer

Authentic ๐Ÿ“‹ Debian 9 (Stretch) 12 lines

Compatibility

Currently viewing:
Debian 9 (Stretch)
Also compatible:
Debian 10 (Buster) Debian 11 (Bullseye) Debian 12 (Bookworm) Ubuntu 18.04 LTS (Bionic Beaver) Ubuntu 20.04 LTS (Focal Fossa) Ubuntu 22.04 LTS (Jammy Jellyfish) Ubuntu 24.04 LTS (Noble Numbat)
Different versions:

File Info

Size
12 lines
MD5
6f1973de70bf3594436cc1a68adc441b
SHA256
b804d7bab8eb41202384f9270e25d5383346ace8b3d7c4f5029c150638d77bcd

Quick Commands

curl:
curl https://exampleconfig.com/api/v1/config/original/6f1973de70bf3594436cc1a68adc441b?hint=apt-daily-upgrade.timer
wget:
wget -O apt-daily-upgrade.timer https://exampleconfig.com/api/v1/config/original/6f1973de70bf3594436cc1a68adc441b?hint=apt-daily-upgrade.timer
/etc/systemd/apt-daily-upgrade.timer
[Unit]
Description=Daily apt upgrade and clean activities
After=apt-daily.timer

[Timer]
OnCalendar=*-*-* 6:00
RandomizedDelaySec=60m
Persistent=true

[Install]
WantedBy=timers.target

How to Install APT

Debian

sudo apt update && sudo apt install apt

Ubuntu

sudo apt update && sudo apt install apt

Configuration File Location

File Path
/etc/systemd/apt-daily-upgrade.timer
Directory
/etc/systemd/
Significance
System-wide configuration directory
Description
Files in /etc/ contain system-wide configuration settings that affect all users.

Complete APT Configuration Guide

What is apt-daily-upgrade.timer?
Access the original 'apt-daily-upgrade.timer' configuration file for APT (Advanced Package Tool) from a fresh Debian 9 (Stretch) installation. This is the factory-default package management configuration, crucial for repository management, package pinning, and system update policies.
Technical Details
Located at '/etc/systemd/apt-daily-upgrade.timer', this 12-line file controls package sources, authentication keys, proxy settings, and installation preferences. Manages software packages for millions of Debian and Ubuntu systems, from desktop installations to enterprise server deployments.
Common Configuration Question
How do you configure APT for secure package management, custom repositories, and automated updates on Debian 9?
Why Use This Configuration?
This default configuration includes repository priorities, security settings, and package management policies. Essential for system administrators, DevOps engineers, and Linux users managing software installations and updates.

Frequently Asked Questions

When should I use this apt-daily-upgrade.timer file?

Use this original configuration file when you need to restore APT to its default state after misconfiguration, during fresh installations, or as a baseline for customization. It's particularly useful for troubleshooting when your current config isn't working properly.

How do I restore APT to default settings?

Download this file and replace your current configuration at /etc/systemd/apt-daily-upgrade.timer. Make sure to backup your existing configuration first, then restart the APT service to apply the changes.

Is this apt-daily-upgrade.timer file secure for production use?

This is the factory-default configuration that ships with APT on Debian 9 (Stretch). While it provides a secure baseline, you should review and customize security settings based on your specific production requirements and compliance needs.

What's the difference between this and other OS versions?

This configuration is specifically from Debian 9 (Stretch). Different operating systems and versions may have slightly different default settings, security patches, or feature availability. Check the compatibility section above for other OS versions.

Can I use this configuration file for APT troubleshooting?

Yes, this original configuration is excellent for troubleshooting. Compare it with your current settings to identify modifications that might be causing issues, or temporarily replace your config with this one to isolate problems.