Curt Sahd

Change shell Ubuntu

Sometimes you might create a new user without specifiying the necessary arguments, resulting the shell for that user being something other than the default bash shell you're used. This often…

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Setup Traefik with Consul ACL in Docker

Start by going to your home directory: cd ~ Next, spin up the Consul Docker container with the following command: docker run -d -v $PWD/consul/data/:/consul/data/ -v $PWD/consul/config/:/consul/config/ -e 'CONSUL_LOCAL_CONFIG={"skip_leave_on_interrupt": true,…

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Install fail2ban Ubuntu 18.04

If you're struggling to install fail2ban and being notified that the package cannot be found, you simply need to enable the universe repository and update the package list. sudo add-apt-repository…

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ValidatorException: PKIX path building failed

When using self-signed certificates you might come across the following error: > "javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target" To solve…

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