Devops Blog – Openstack, Openshift,- Docker, Kubernetes, Swarm, Linux, Windows Stacks – Mongodb, An occasional opinion
Hits: 36I keep losing this link to the options for configuring OpenVPN. These work for ovpn config files as well as for Protunl –inactive n [bytes] Causes OpenVPN to exit after n seconds of inactivity on the TUN/TAP device. The time length of inactivity is measured since the last incoming or outgoing tunnel packet. The default value …
Continue reading “Reference manual for OpenVPN 2.4 | OpenVPN”
Hits: 76 Liliputing: Database of 200+ smartphones that can run Linux (unofficially). https://liliputing.com/2019/11/database-of-200-smartphones-that-can-run-linux-unofficially.html
Hits: 144AWS EC2 CLI “AWS was not able to validate the provided access credentials” I am just trying to run my aws cli from a VM that I keep on a disk-on-key. I added the credentials several times, even creating new accounts. After a few hours of growing perturbance add desire for violence. Running simple …
Continue reading “Fixing Authorization Failure in Ubuntu VM AWS CLI by Synchronizing the Clock”
Hits: 225I am happy to back working as a Devops using AWS. In my new job at https://www.dragontail.com/ I need to automatically produce wildcard certificates from certbot. The instructions at the link seem really good. Wish me luck! Unfortunately there was little clear documentation for configuring all this unless you were an expert magician trained …
Continue reading “Let’s Encrypt Wildcard Certificate Configuration with AWS Route 53”
Hits: 224I am not sure why, but I have had some mental blocks with certificates and letsencrypt. The link below explains it really well how to do containerized nginx with letsencrypt free certificates. Beware! it requires running with sudo. The rest of the app I am “DevOping” runs fine as user ubuntu with docker-compose, if …
Continue reading “How to Set Up Free SSL Certificates from Let’s Encrypt using Docker and Nginx”
Hits: 269last year I got stuck simply installing my PC with Windows 10 Pro from OEM envelope. I had downloaded the installation iso. Every time I installed it insisted on putting only the home version. IN order to get it to work, you need to add the file pid.txt to the source dir on the …
Continue reading “Windows 10 Pro Install Issues – Installs Home instead of Pro.”
Hits: 258Hey guys! Keep your cloud safe. So you won’t have regrets Okay, so the hacker is in the box – what happened next? Well, once you’re in an EC2 Instance…a lot can go wrong. You’re pretty much walking on the edge of a knife if you let someone get that far. But how did …
Continue reading “jcolemorrison.com: The Technical Side of the Capital One AWS Security Breach”
Hits: 386I am installing multiple systems with Linux Bonding and LACP mode 4 which uses IEEE 802.3ad Link Aggregation Policy. In the mean time I am looking at 2 links, as we are using Red Hat 6.9 https://developer.rackspace.com/blog/lacp-bonding-and-linux-configuration/ as well as the following: LACP bonding network interface setup A bonding network interface could be used …
Continue reading “How to set up LACP bonding interface on CentOS 7 | Snel.com”
Hits: 530Introspection fails due to use of Host Name instead of UUID When I do introspection on baremetal servers that will be used as for Redhat TripleO Openstack 13 (This is the same as RDO Queens) I start with just one. Before this I import the instackenv.json file with all of the baremetal server details …
Hits: 950 FreeDOS Is Not Linux I think it’s great that FreeDOS has inherited certain features from Linux. We want FreeDOS to feel familiar to Linux users. In the upcoming FreeDOS 1.3 distribution, we plan to separate all UNIX-like utilities into their own package group, so they are easier to find and install. But FreeDOS …
Hits: 274https://opensource.com/article/19/6/how-ssh-running-container This link shows how to get a prompt in docker, openshift, kubernetes
Hits: 352 I have often been confused about how SELinux works, The article linked below explains it really well. SELinux is often seen as an evil, complex, unnecessary and especially annoying security component which exists in a lot of Linux distributions. Often you can hear something like: “Disable SELinux and try again” or , “The first …
Hits: 391Wow! vi editor has a nasty security bug Razmjou discovered a flaw in the way Vim editor handles “modelines,” a feature that’s enabled-by-default to automatically find and apply a set of custom preferences mentioned by the creator of a file near the starting and ending lines in the document. https://thehackernews.com/2019/06/linux-vim-vulnerability.html