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I typed sudo apt update in terminal, then I got the following error:

E: Syntax error /etc/apt/apt.conf.d/10periodic:7: Extra junk at end of file

The file contains:

1 #
2 # Xilinx Clocking Wizard Driver
3 #
4
5 config COMMON_CLK_XLNX_CLKWZRD
6     tristate "Xilinx Clocking Wizard"
7     depends on COMMON_CLK &&

Line 6 and 7 have two space gap before the wordings.

Sourav Ghosh
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Irshad Ahmed
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1 Answers1

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Your 10periodic file should look like this:

APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "0";
APT::Periodic::AutocleanInterval "0";

In this file, the various lines has different meaning as given below:

1) APT::Periodic::Update-Package-Lists

If this is set to "0" then it means that automatic update has been disabled.

If it is set to something other than "0" then it would imply the number of days for automatic update. e.g. setting it to "1" implies that your system will automatically update everyday.

2) APT::Periodic::Download-Upgradeable-Packages

If this is set to "0" then it means that automatic downloading of packages have been disabled. But setting it to "1" = enable auto download package.

3) Similarly APT::Periodic::AutocleanInterval can have "0" or other number specifying the number of days for auto clean interval.

You can also have another entry; APT::Periodic::Unattended-Upgrade. Setting it "0" will disable the automatic upgrade and "1" will enable the automatic upgrade.

I posted this answer because I thought your OS is Ubuntu. I'm not sure whether the 10periodic file in Elementary OS looks like this or not. If not then my answer would be useless.

Manish Kumar Bisht
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