APT: Difference between revisions
From Leo's Notes
This page was last edited on 22 September 2020, at 01:30.
List of commands for common tasks in an apt environment |
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APT is the package manager on Debian based Linux distributions and includes {{code|apt-get}} and {{code|dpkg}} and related utilities. | APT is the package manager on Debian based Linux distributions and includes {{code|apt-get}} and {{code|dpkg}} and related utilities. | ||
== Usage == | ==Usage== | ||
{| class="wikitable" | {| class="wikitable" | ||
! Task | !Task | ||
! Command | !Command | ||
|- | |- | ||
| Install a package by name | |Install a package by name | ||
| {{highlight|lang=terminal|code= | |{{highlight|lang=terminal|code= | ||
# apt-get install <package> | # apt-get install <package> | ||
}} | }} | ||
|- | |- | ||
| Remove a package by name | |Remove a package by name | ||
| {{highlight|lang=terminal|code= | |{{highlight|lang=terminal|code= | ||
# apt-get remove --purge | # apt-get remove --purge | ||
# apt-get autoremove <package> | # apt-get autoremove <package> | ||
}} | }} | ||
|- | |- | ||
| Upgrade a package | |Upgrade a package | ||
| {{highlight|lang=terminal|code= | |{{highlight|lang=terminal|code= | ||
# apt-get update | # apt-get update | ||
# apt-get upgrade <package> | # apt-get upgrade <package> | ||
}} | }} | ||
|- | |- | ||
| Search for a package | |Search for a package | ||
| {{highlight|lang=terminal|code= | |{{highlight|lang=terminal|code= | ||
# apt-cache search <package> | # apt-cache search <package> | ||
}}Apt gathers all the commands together, so you can now do: | |||
{{Highlight | |||
| code = # apt search package | |||
| lang = terminal | |||
}} | }} | ||
|- | |- | ||
| List installed packages | |List installed packages | ||
| {{highlight|lang=terminal|code= | |{{highlight|lang=terminal|code= | ||
# dpkg -l | # dpkg -l | ||
}} | }} | ||
|- | |- | ||
| Look for a specific package by name | |Look for a specific package by name | ||
| {{highlight|lang=terminal|code= | |{{highlight|lang=terminal|code= | ||
# dpkg -l <package name> | # dpkg -l <package name> | ||
}} | }} | ||
|- | |- | ||
| Determine which package provided a file | |Determine which package provided a file | ||
| {{highlight|lang=terminal|code= | |{{highlight|lang=terminal|code= | ||
# dpkg -S <path to file> | # dpkg -S <path to file> | ||
}} | }} | ||
| Line 45: | Line 49: | ||
|} | |} | ||
{{Navbox Linux}}[[Category:Linux]] | == Troubleshooting == | ||
=== Couldn't create temporary file /tmp/apt.conf.* for passing config to apt-key === | |||
On a clean install of Raspbian Buster, I got: | |||
{{Highlight | |||
| code = # apt-get update | |||
Get:1 https://repos.influxdata.com/debian buster InRelease [4,731 B] | |||
Err:1 https://repos.influxdata.com/debian buster InRelease | |||
Couldn't create temporary file /tmp/apt.conf.EiuAqc for passing config to apt-key | |||
Get:2 http://archive.raspberrypi.org/debian buster InRelease [32.6 kB] | |||
Get:3 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB] | |||
Err:3 http://raspbian.raspberrypi.org/raspbian buster InRelease | |||
Couldn't create temporary file /tmp/apt.conf.pRhbYl for passing config to apt-key | |||
Err:2 http://archive.raspberrypi.org/debian buster InRelease | |||
Couldn't create temporary file /tmp/apt.conf.wZl0Lq for passing config to apt-key | |||
Reading package lists... Done | |||
W: GPG error: https://repos.influxdata.com/debian buster InRelease: Couldn't create temporary file /tmp/apt.conf.EiuAqc for passing config to apt-key | |||
E: The repository 'https://repos.influxdata.com/debian buster InRelease' is not signed. | |||
N: Updating from such a repository can't be done securely, and is therefore disabled by default. | |||
N: See apt-secure(8) manpage for repository creation and user configuration details. | |||
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://raspbian.raspberrypi.org/raspbian buster InRelease: Couldn't create temporary file /tmp/apt.conf.pRhbYl for passing config to apt-key | |||
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive.raspberrypi.org/debian buster InRelease: Couldn't create temporary file /tmp/apt.conf.wZl0Lq for passing config to apt-key | |||
| lang = terminal | |||
}} | |||
It turns out /tmp wasn't configured with the right permissions and only root could write to it. To fix this, run: | |||
{{Highlight | |||
| code = # chmod 1777 /tmp | |||
| lang = terminal | |||
}}<br />{{Navbox Linux}} | |||
[[Category:Linux]] | |||
[[Category:PackageManagement]] | [[Category:PackageManagement]] | ||
Latest revision as of 01:30, 22 September 2020
APT is the package manager on Debian based Linux distributions and includes apt-get and dpkg and related utilities.
Usage
| Task | Command |
|---|---|
| Install a package by name | # apt-get install <package>
|
| Remove a package by name | # apt-get remove --purge
# apt-get autoremove <package>
|
| Upgrade a package | # apt-get update
# apt-get upgrade <package>
|
| Search for a package | # apt-cache search <package>
# apt search package
|
| List installed packages | # dpkg -l
|
| Look for a specific package by name | # dpkg -l <package name>
|
| Determine which package provided a file | # dpkg -S <path to file>
|
Troubleshooting
Couldn't create temporary file /tmp/apt.conf.* for passing config to apt-key
On a clean install of Raspbian Buster, I got:
# apt-get update
Get:1 https://repos.influxdata.com/debian buster InRelease [4,731 B]
Err:1 https://repos.influxdata.com/debian buster InRelease
Couldn't create temporary file /tmp/apt.conf.EiuAqc for passing config to apt-key
Get:2 http://archive.raspberrypi.org/debian buster InRelease [32.6 kB]
Get:3 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB]
Err:3 http://raspbian.raspberrypi.org/raspbian buster InRelease
Couldn't create temporary file /tmp/apt.conf.pRhbYl for passing config to apt-key
Err:2 http://archive.raspberrypi.org/debian buster InRelease
Couldn't create temporary file /tmp/apt.conf.wZl0Lq for passing config to apt-key
Reading package lists... Done
W: GPG error: https://repos.influxdata.com/debian buster InRelease: Couldn't create temporary file /tmp/apt.conf.EiuAqc for passing config to apt-key
E: The repository 'https://repos.influxdata.com/debian buster InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://raspbian.raspberrypi.org/raspbian buster InRelease: Couldn't create temporary file /tmp/apt.conf.pRhbYl for passing config to apt-key
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive.raspberrypi.org/debian buster InRelease: Couldn't create temporary file /tmp/apt.conf.wZl0Lq for passing config to apt-key
It turns out /tmp wasn't configured with the right permissions and only root could write to it. To fix this, run:
# chmod 1777 /tmp