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- Build Secure VLAN Networks with 'Shibby' Router Firmware
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- Automate SuperMicro Server Provisioning or Die Trying
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- sadsfae commented on issue redhat-performance/quads#359sadsfae commented on issue redhat-performance/quads#359 Jan 25, 2021 sadsfae commented Jan 25, 2021 As both changes have merit, we'll track/implement the more core argparse --auto-no-wipe command enhancement in a separate RFE #360 so our change-se… […]
- sadsfae commented on issue redhat-performance/quads#360sadsfae commented on issue redhat-performance/quads#360 Jan 25, 2021 sadsfae commented Jan 25, 2021 This can save some time up-front and is still checked in #359 when a cloud is defined or if it isn't adjusted later via --mod-cloud. Thanks for fil… […]
- sadsfae commented on issue redhat-performance/quads#359sadsfae commented on issue redhat-performance/quads#359 Jan 25, 2021 sadsfae commented Jan 25, 2021 having an --auto-no-wipe is a simple fix to help to automate the process, so that you won't have to answer a prompt or pass a -y argument to add-s… […]
- sadsfae commented on issue redhat-performance/quads#359sadsfae commented on issue redhat-performance/quads#359 Jan 25, 2021 sadsfae commented Jan 25, 2021 As opposed to prompting the user when a schedule is being added to hosts where the target cloudXX was already released why not just auto-convert a… […]
- sadsfae commented on issue redhat-performance/quads#359sadsfae commented on issue redhat-performance/quads#359 Jan 25, 2021 sadsfae commented Jan 25, 2021 Additionally, in OSP/OCP expansion scenarios (if you choose Y) we most likely want those systems powered off when they move to avoid disruption in … […]
- sadsfae commented on issue redhat-performance/quads#359
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Tag Archives: linux
Using VDO on CentOS/RHEL7 for Storage Efficiency
Besides Btrfs, native Linux-based storage solutions have lagged behind the robustness and features of ZFS and the BSDs. Recently Red Hat acquired Permabit which provides an Open Source device-mapper Linux kernel driver and layer that sits between block devices and … Continue reading
Backup and Restore using SpiderOak on Linux
Recently the SSD Operating System disk on my primary work desktop failed without warning and no manner of arcane xfsrepair or xfsdump/xfsrestore chicanery would bring it back. Luckily I had SpiderOak backups as my employer offers this as a service … Continue reading
Posted in open source, sysadmin
Tagged backups, fedora centos spideroak, linux, linux spideroak guide, spideroak, spideroak cli, spideroak linux, spideroak restore
6 Comments
Distributed Remote Backups with Git and Etckeeper
Git is a powerful tool for lots of tasks, it makes a wonderful VCS that can drive easy utility and automation. Recently I used git and remote repositories to deploy code & data fanned out to multiple locations. Here are … Continue reading
Posted in open source, sysadmin
Tagged devops, etckeeper, etckeeper linux guide, git, linux, linux git backups, linux git branches, remote, sysadmin
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Shell One-liners and Quick and Dirty Loops
Sometimes you just need to get stuff done quickly and there’s nary a replacement better than a quick shell one-liner. Recently I’ve needed to feed some large, multi-variable commands into an external program for processing. Here’s some simple shell one-liners … Continue reading
Posted in open source, sysadmin
Tagged bash, for loop, linux, loops, shell, shell example linux, shell examples, shell linux examples, sysadmin, useful shell linux tip
2 Comments
Let’s Encrypt Everything – Setting up the Free, Automated CA
Let’s Encrypt is a free, public SSL certificate authority (CA) you can use to generate and automate SSL certificate renewal. I co-manage Trystack.org, a free OpenStack sandbox for the general public and our Horizon SSL certificate came up for expiration … Continue reading
Posted in open source, sysadmin
Tagged apache, apache let's encrypt guide, https, let's encrypt, let's encrypt guide linux, linux, security, ssl, SSL CA
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Fun and Automation with Git Hooks
Git is more than just an awesome, decentralized version control system (VCS) – it can also drive lots of useful automation by triggering actions to deploy infrastructure and services based on event and commit-based hooks. You can drive a lot … Continue reading
Posted in open source, sysadmin
Tagged automation, devops, git, git hooks, linux, post-receive hooks, sysadmin
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Automate SuperMicro Server Provisioning or Die Trying
We use Foreman for systems provisioning and recently received a large shipment of Supermicro for Ceph. Out of the box they were a lot of trouble to get integrated/automated at the same level of our Dell gear but we managed, … Continue reading
Posted in open source, sysadmin
Tagged devops, foreman, hardware, ipmi, linux, provisioning, servers, supermicro, sysadmin
8 Comments
Tmux for GNU Screen Refugees and Vim Users
I use GNU Screen on servers to manage working sessions and perform long-running or persistent tasks. Lately I’ve been using tmux locally on my work desktop/laptop, finding it better suited for most terminal activity. Here’s how I set it up … Continue reading
Posted in open source, sysadmin
Tagged linux, productivity, screen, sysadmin, terminal, tmux
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Create an HD Gaming Capture/Streaming Setup with Linux
I recently created a dedicated game recording/streaming setup using OBS Studio on Fedora Linux. This lets me capture and stream real-time full 1080p video and audio from another machine playing video games. Read on for the hardware and setup details, … Continue reading
Automate Nagios Monitoring with Ansible
Infrastructure monitoring is important and there’s lots of tools for it. I’m fond of Nagios – it’s very mature and customizable but it’s also a giant pain in the ass to setup. Here’s how to save time deploying and managing … Continue reading
Posted in open source, sysadmin
Tagged ansible, automation, devops, idrac monitoring, ipmi, linux, monitoring, nagios, snmp, supermicro monitoring, sysadmin
31 Comments
Fun and Profit with Reverse SSH Tunnels and AutoSSH
Sometimes you just need to get to things remotely. Those things might be behind an unbudging firewall with no way to forward proper ports for remote access, or perhaps you just want it setup access to resources this way. I … Continue reading
Secure, Distributed Password Resources with GPG, Git and Vim
There are many tools to manage passwords and sensitive resources, some cost money or are closed commercial products. I’m going to show you how to create a secure, distributed and encrypted remote password repository using Open Source tools like GPG … Continue reading
Posted in open source, sysadmin
Tagged encryption, gpg, linux, passwords, security, sysadmin
1 Comment
Quick and Dirty Remote Execution with Ansible
Ansible is a wonderful tool for orchestration, configuration management and automating a lot of tasks you’d never want to do by hand. Sometimes you just need to get in there and run a few commands across a bunch of different … Continue reading
Posted in open source, sysadmin
Tagged ansible, devops, linux, remote execution, shell module, sysadmin
4 Comments