fernandoaleman

How To Backup and Restore Redis

Backup

Login to Redis

$ redis-cli

fernandoaleman

For MacOS Catalina, visit Install mysql2 on MacOS Catalina

Problem

Installing mysql2 gem errors on MacOS Mojave.

Solution

Make sure openssl is installed on Mac via Homebrew.

fernandoaleman

# How to sign your custom RPM package with GPG key

# Step: 1
# Generate gpg key pair (public key and private key)
#
# You will be prompted with a series of questions about encryption.
# Simply select the default values presented. You will also be asked
# to create a Real Name, Email Address and Comment (comment optional).
# 
# If you get the following response:

fernandoaleman

brew tap homebrew/versions
brew install v8-315

gem install libv8 -v '3.16.14.13' -- --with-system-v8
gem install therubyracer -- --with-v8-dir=/usr/local/opt/v8-315

bundle install

fernandoaleman

Error

Running handlers:
[2018-10-01T11:07:45-05:00] ERROR: Running exception handlers
Running handlers complete
[2018-10-01T11:07:45-05:00] ERROR: Exception handlers complete
Chef Client failed. 33 resources updated in 01 minutes 06 seconds
[2018-10-01T11:07:45-05:00] FATAL: Stacktrace dumped to /var/chef/cache/chef-stacktrace.out
[2018-10-01T11:07:45-05:00] FATAL: Please provide the contents of the stacktrace.out file if you file a bug report

fernandoaleman

How To Install PHP 5.6 on Ubuntu 22.04

Add php apt repository

$ sudo add-apt-repository ppa:ondrej/php

Update repository index

fernandoaleman

# Clone repo
git clone --mirror git@github.com/fernandoaleman/app.git app/.git

# Change into app directory
cd app

# Update git config
git config --unset core.bare

# Checkout master branch

fernandoaleman

# Start the old vagrant
$ vagrant init centos-6.3
$ vagrant up

# You should see a message like:
#  [default] The guest additions on this VM do not match the install version of
#  VirtualBox! This may cause things such as forwarded ports, shared
#  folders, and more to not work properly. If any of those things fail on
#  this machine, please update the guest additions and repackage the
#  box.

fernandoaleman

#!/bin/sh
# you might want to add some user authentication here
mysql -e "show variables; show status" | awk '  
{
VAR[$1]=$2  
}
END {  
MAX_CONN = VAR["max_connections"]  
MAX_USED_CONN = VAR["Max_used_connections"]  
BASE_MEM=VAR["key_buffer_size"] + VAR["query_cache_size"] + VAR["innodb_buffer_pool_size"] + VAR["innodb_additional_mem_pool_size"] + VAR["innodb_log_buffer_size"]  

fernandoaleman

Problem

Installing mysql2 gem errors on MacOS Catalina with MySQL 5.7.

Solution

Make sure openssl is installed on Mac via Homebrew.

brew install openssl