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  • Sep 27 / 2019
  • Comments Off on MacOS – Prevent the automatic creation of a .DS_Store file on network drives
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MacOS – Prevent the automatic creation of a .DS_Store file on network drives

Mac OS X is automatically creating .DS_Store file as soon as you’re working on some network drives. This is used to store some custom attributes.

If you want to prevent the OS to create those files automatically, follow the steps below:

  • Open up a Terminal
  • Run this command
  • Restart your Mac

Once this is executed, the DS_Store files will only be created on local drives.

  • Jul 17 / 2019
  • 0
Linux

Add timestamp on each line of bash output

When analyzing the output of a bash script, it can be useful to prepend timestamp before each line to see how long it’s taking to do a specific action.

For this, you can use the ‘ts‘ command:

If the command ‘ts‘ is not available, you might need to install the package moreutils.

  • Apr 23 / 2019
  • Comments Off on Apache/HTTPd Permissions are missing on a component of the path
Linux

Apache/HTTPd Permissions are missing on a component of the path

Seeing that error in HTTPd/Apache logs when trying to GET some pages?

This is because of some SELinux policies blocking the calls. If you don’t want to turn SELinux off, a simple workaround is:

  • Feb 04 / 2019
  • Comments Off on Fix the NO_PUBKEY error with apt on Ubuntu
Linux

Fix the NO_PUBKEY error with apt on Ubuntu

When updating or installing a package on a Debian-based distribution, you can face that alert:

This just means that a signing GPG key is missing or expired on your system. The error is giving you the ID of the missing key that you can use for looking for it on the Ubuntu website:

Copy the key that you just got from the website above into a file – mykey.txt, for example – and import it with the apt-key command:

Try to install/update the package again, and the error should not appear anymore.

  • Sep 27 / 2018
  • 0
Linux

Extract certificate and/or key from a PKCS12 file

The PKCS12 format is replacing the old PFX format from Microsoft. This format will allow storage of X.509 private keys and the associated public certificates in a single encrypted file.

So you can extract the key and the certificate in a single common PEM file, you can use this openssl command:

If you want to extract the key and the certificate independently, you can also use the options nocerts/nokeys along with openssl, to extract only one part:

  • Jul 25 / 2018
  • Comments Off on Automate apt update and keep current config files
Linux

Automate apt update and keep current config files

When doing update on a Debian/Ubuntu server, if a package is trying to modify a config file, it’s asking for a manual choice. If you’re trying to try to automate the process, you’d probably like to get rid of that ask and keep the current config file by default.

For that, you can use that script:

The multiple options will enforce the update to keep current config and not overwrite it with the package default one.

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