Adding a new GIT remote when one already exists
In the following workflow: git remote add origin https://[email protected]/repo/app.git You might encounter this error: fatal: remote origin already exists. Do this: git remote set-url origin
Operating Systems
How to deal with fuser: command not found on CentOS
To get the fuser command working on a minimal CentOS install, do the following: yum install psmisc Reference: https://www.itechlounge.net/2016/11/linux-fuser-command-not-found-on-centos-rhel-7/
How to find specific words in all php.ini files in all subdirectories
Use the following command the find all occurrences of a specified word in a text file: home# grep -r –include=”php.ini” -e “memory_limit” . Please note
How to get SNMP daemon working on Ubuntu 18.04/20.04 LTS
Background Getting SNMP working on Ubuntu 18.04 can be a challenge. The reason is the default SNMP configuration file contains so many entries it’s totally
Failed to load nf_conntrack module when starting FirewallD
Problem Description Upon starting FirewallD you might encounter the error listed hereunder. This particular behavior was observed on a new installation of Virtualmin/Webmin. Sep 19
How to enable SSH for GCE
If you’re hosting a Linux box with Google Cloud Engine, SSH will be disabled by default. There are pretty good reasons for this, especially brute
Access to font at xxx from origin yyy has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource
About CORS Cross-origin resource sharing is a way to share libraries and fonts across multiple servers. However, in order to avoid security issues, many servers
Unable to load dynamic library ‘gd’ on Virtualmin server even though php-gd is installed
You might get the following error after having done `yum install php72-php-gd` on a Virtualmin server because of a missing library: PHP Warning: PHP Startup:
Installing Webmin on Linux Mint fails due to missing packages libauthen-pam-perl and apt-show-versions
After downloading Webmin from http://www.webmin.com/deb.html the following errors are returned when trying to install it: user@host:~$ sudo dpkg -i webmin_1.910_all.deb Selecting previously unselected package webmin.
How do make a USB bootable DOS drive to update a PC BIOS using Linux
About PC BIOS Updates PC computers have their BIOS’ updated every once in a while. Sometimes a BIOS update can bring new functionality, and at