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

Problem

When using apt to install or update packaged, Ubuntu 22.04 now pops up a Daemons using outdated libraries box.

Solution

To disable this pop up box, edit

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Problem

The GPG keys listed for the "MySQL 8.0 Community Server" repository are already installed but they are not correct for this package.

Solution

rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2023

fernandoaleman

Problem

Installing mysql2 gem errors on Apple silicon M1, M2 or M3 Mac running macOS Sonoma.

Solution

Make sure mysql-client, openssl and zstd are installed on Mac via Homebrew.

Replace mysql-client with whichever mysql package you are using

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Problem

If you get the following error, the Mac ulimit is set too low.

/opt/chef-workstation/embedded/lib/ruby/gems/3.1.0/gems/chef-config-18.2.7/lib/chef-config/workstation_config_loader.rb:123:in `pwd': Too many open files - getcwd (Errno::EMFILE)
	from /opt/chef-workstation/embedded/lib/ruby/gems/3.1.0/gems/chef-config-18.2.7/lib/chef-config/workstation_config_loader.rb:123:in `locate_local_config'
	from /opt/chef-workstation/embedded/lib/ruby/gems/3.1.0/gems/chef-config-18.2.7/lib/chef-config/workstation_config_loader.rb:55:in `config_location'
	from /opt/chef-workstation/embedded/lib/ruby/gems/3.1.0/gems/chef-config-18.2.7/lib/chef-config/workstation_config_loader.rb:77:in `load'

fernandoaleman

Problem

Running systemd commands in Docker for Mac returns the following error:

Failed to get D-Bus connection: No such file or directory

Solution

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#!/usr/bin/env ruby
#
# Ruby script to download a number of files
# from individual URLs via HTTP/HTTPS/FTP
# specified in an external file.
#
# Author: Tobias Preuss
# Revision: 2013-04-18 16:26 +0100 UTC
# License: Creative Commons Attribution-ShareAlike 3.0 Unported

fernandoaleman

How To Install and Run ClamAV on CentOS 7

ClamAV is an open-source antivirus. It is used to detect viruses, trojans, and malware.

Install ClamAV

Install EPEL repository

yum install -y epel-release

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How To Manually Update Chef Server SSL Certificates

Replace the contents of /var/opt/opscode/nginx/ca/www.yourdomain.com.crt with your ssl certificate.

Replace the contents of /var/opt/opscode/nginx/ca/www.yourdomain.com.key with your ssl key.

Reconfigure chef server

chef-server-ctl reconfigure

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How To Manually Update Chef Server SSL Protocols

Open ssl config file

vim /var/opt/opscode/nginx/etc/chef_https_lb.conf

Update ssl_protocols