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@reytech-dev
reytech-dev / Fix.md
Last active March 20, 2024 10:19
ZONE_CONFLICT: 'docker0' already bound to a zone
  1. Check if docker zone exists in firewall-cmd
$ firewall-cmd --get-active-zones
  1. If "docker" zone is available, change interface to docker0 (not persisted)
$ sudo firewall-cmd --zone=docker --change-interface=docker0
  1. If "docker" zone is available, change interface to docker0 (persisted, thanks rbjorklin)
@yuezhu
yuezhu / gist:47b15b4b8e944221861ccf7d7f5868f5
Created February 7, 2018 18:10
Generate self-signed certificate for HAProxy
# Generate a unique private key (KEY)
sudo openssl genrsa -out mydomain.key 2048
# Generating a Certificate Signing Request (CSR)
sudo openssl req -new -key mydomain.key -out mydomain.csr
# Creating a Self-Signed Certificate (CRT)
openssl x509 -req -days 365 -in mydomain.csr -signkey mydomain.key -out mydomain.crt
# Append KEY and CRT to mydomain.pem
@niksumeiko
niksumeiko / git.migrate
Last active July 1, 2025 18:41
Moving git repository and all its branches, tags to a new remote repository keeping commits history
#!/bin/bash
# Sometimes you need to move your existing git repository
# to a new remote repository (/new remote origin).
# Here are a simple and quick steps that does exactly this.
#
# Let's assume we call "old repo" the repository you wish
# to move, and "new repo" the one you wish to move to.
#
### Step 1. Make sure you have a local copy of all "old repo"
### branches and tags.