All public logs

Combined display of all available logs of WilliamsNet Wiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 22:47, 13 June 2025 DrEdWilliams talk contribs created page GitLab V18 Upgrade (Created page with "Once again, the GitLab team has introduced a breaking change in the upgrade from v17 to v18. The PostgreSQL database version in v18+ is 16 (instead of 14 in previous versions). The upgrade of the database must be done in multiple steps: * running their database_upgrade script before (to capture the state of the deployment) * deleting the database PVCs * performing the upgrade (without the migrations step) * running their database_upgrade script again to restore the da...")
• 18:53, 17 May 2025 DrEdWilliams talk contribs created page Repair GRUB Installation (Created page with "Unlike most other problems where you have a (mostly) functioning Linux system to work with, if your GRUB install gets trashed you are almost literally toast. == How it happens == It doesn't really take much to mess with your GRUB configuration. Fortunately, it lives in an infrequently accessed part of your filesystem (/boot) and survives by obscurity. The biggest risk of corruption is actually when applying an update to the GRUB software -- if that gets interrupted an...")
• 23:01, 27 March 2025 DrEdWilliams talk contribs created page External Name Resolution (instructions on how to provide DNS overrides)
• 23:07, 14 September 2024 DrEdWilliams talk contribs created page Mail Server Installation (initial version)
• 02:24, 28 December 2021 DrEdWilliams talk contribs created page Memory Testing (Created page with "Install the memtester utility from the software repository, if it is not already installed. Ubuntu/Debian and Linux Mint: sudo apt-get install memtester Fedora/RHEL/RPM: y...") Tag: visualeditor
• 11:16, 19 December 2021 DrEdWilliams talk contribs created page Open File Limits (Created page with "To change maximum open file limits for your terminal session, run this command: # ulimit -n 3000 After closing the terminal and creating a new session, the limits will get ba...") Tag: visualeditor
• 14:26, 26 November 2021 DrEdWilliams talk contribs created page Cluster Operations (Created page with "== Rolling Restart == The OpenSearch cluster is very resilient -- it tries to make sure it has all of its indices appropriately replicated at all times. It can handle nodes d...") Tag: visualeditor
• 12:51, 25 November 2021 DrEdWilliams talk contribs created page Common Post-Install (Created page with "=== Configure shared filesystem access === There are three shared filesystems available depending on the needs of the system: * <code>/files</code> - the main administrative...") Tag: visualeditor-switched
• 23:45, 24 November 2021 DrEdWilliams talk contribs moved page OpenSearch Cluster to OpenSearch Cluster Installation
• 12:41, 21 November 2021 DrEdWilliams talk contribs created page NGINX Basic Authentication (Created page with "== Restricting Access with HTTP Basic Authentication == Control access using HTTP Basic authentication, and optionally in combination with IP address-based access control. ==...") Tag: visualeditor
• 02:26, 18 November 2021 DrEdWilliams talk contribs created page Talk:OpenSearch Cluster Monitoring (Created page with "To enable cerebro to use self-signed certs (or non-publsihed CAs) I did the following : in the application.conf ( with rpm at /etc/cerebro ), add the following to the end :...")
• 01:35, 18 November 2021 DrEdWilliams talk contribs created page OpenSearch (Created page with "Topics related to creating, maintaining, and using an elastic cluster * OpenSearch Cluster * Data Collection Methods * OpenSearch Cluster Monitoring|Cluster Monitor...")
• 00:54, 18 November 2021 DrEdWilliams talk contribs created page OpenSearch Cluster Monitoring (Created page with "One approach to instrumenting an OpenSearch cluster for monitoring purposes ... === Logfiles === Looking in logfiles for messages can be a difficult prospect as each node ind...") Tag: visualeditor
• 00:53, 18 November 2021 DrEdWilliams talk contribs created page File:OpenSearch Logs Dashboard.png
• 00:53, 18 November 2021 DrEdWilliams talk contribs uploaded File:OpenSearch Logs Dashboard.png
• 23:49, 17 November 2021 DrEdWilliams talk contribs created page Data Collection Methods (Created page with "(notes -- work in progress) Getting data for OpenSearch/ElasticSearch is a matter of: * Identifying the data to be gathered * Finding a way to surface and collect that data...") Tag: visualeditor
• 15:55, 10 November 2021 DrEdWilliams talk contribs created page Talk:VLAN Interfaces (Created page with " ip link add link enp3s0 name enp3s0.15 type vlan id 15 ip addr add 10.2.0.200/24 dev eth1.15 ip link set up epp3s0.15")
• 23:59, 8 November 2021 DrEdWilliams talk contribs deleted page Importing x.509 Certificate & Key to PKCS12 Keystore (consolidated with another page)
• 02:59, 7 November 2021 DrEdWilliams talk contribs created page OpenSearch Cluster (Created page with "Do this on each cluster node === Create Opensearch User === Debian/Ubuntu: adduser --system -uid 968 --shell /bin/bash --gecos 'OpenSearch User'  --group  --disabled-passw...") Tag: visualeditor
• 21:23, 5 November 2021 DrEdWilliams talk contribs created page Importing x.509 Certificate & Key to PKCS12 Keystore (Created page with " <code>openssl pkcs12 -export -in server.crt -inkey server.key \ -out server.p12 -name [some-alias] \ -CAfile ca.crt -caname root</code> '''Not...") Tag: visualeditor
• 18:59, 2 November 2021 DrEdWilliams talk contribs created page Verify certificate with CA (Created page with "How to use OpenSSL on the command line to verify that a certificate was issued by a specific CA, given that CA's certificate $ openssl verify -verbose -CAfile cacert.pem ser...") Tag: visualeditor
• 12:25, 23 October 2021 DrEdWilliams talk contribs created page Archenland (Created page with "Primary Windows workstation in the office. Required applications: * Google Chrome * Logos * MS Office Suite * MakeMKV * Notion * Evernote (for now ... soon to be deprecated)...") Tag: visualeditor
• 01:26, 23 October 2021 DrEdWilliams talk contribs created page Basic Ubuntu Installation (Created page with "__NOTOC__ Ubuntu standard install; known to work with: * kubuntu 21.10 Installation from downloaded media * Do a normal 'Install' option from the boot menu * '''''need to r...")
• 23:10, 22 October 2021 DrEdWilliams talk contribs created page Mounting Google Drive and Dropbox (Created page with "== BLUF == Use the rclone command to mount Google Drive and Dropbox folders under linux. BLUF: this is the script ... how to get there follows ... <pre>#!/bin/zsh -f # mou...")
• 10:55, 20 October 2021 DrEdWilliams talk contribs created page Talk:Diggle (Created page with "need to manage the proxy configurations using Gitlab")
• 10:41, 20 October 2021 DrEdWilliams talk contribs deleted page Paravel (system no longer exists)
• 11:08, 19 October 2021 DrEdWilliams talk contribs created page Pages that need to be updated (Created page with "SSH Host Key Management") Tag: visualeditor
• 12:18, 17 October 2021 DrEdWilliams talk contribs deleted page Cockpit Installation (never use it)
• 12:17, 17 October 2021 DrEdWilliams talk contribs deleted page BeeGFS Installation (never use it)
• 12:16, 17 October 2021 DrEdWilliams talk contribs deleted page Harbor Registry (will never use it)
• 02:05, 16 October 2021 DrEdWilliams talk contribs deleted page Quay Container Registry (never going to use it)
• 02:04, 16 October 2021 DrEdWilliams talk contribs deleted page Quay Container Registry - Kubernetes Deployment (never going to use it)
• 11:49, 15 October 2021 DrEdWilliams talk contribs deleted page Basic CentOS 8 Installation (CentOS 8 is now EOL)
• 15:41, 26 September 2021 DrEdWilliams talk contribs moved page Basic Debian 10 Installation to Basic Debian Installation
• 18:34, 29 August 2021 DrEdWilliams talk contribs created page OSQuery (Created page with "== Query your Linux operating system like a database == Linux offers a lot of commands to help users gather information about their host operating system: listing files or di...")
• 22:08, 18 August 2021 DrEdWilliams talk contribs created page WilliamsNet Architecture (Created page with "== Networks == (include a network diagram including the three core switches, the firewall, cable modem, and internet link) Describe which ports are dedicated for specific VLA...")
• 23:12, 15 August 2021 DrEdWilliams talk contribs created page Diggle (Created page with "This system provides two primary functions: # Proxy server for the external facing web services (including Let's Encrypt certificate registration) # Bastion Host for external...")
• 21:21, 14 August 2021 DrEdWilliams talk contribs created page Mounting iSCSI LUNs (Created page with "As much as it would be nice to have it the same across the different OS distributions, it seems there are differences -- some of which are rather annoying. == Pre-requisites...")
• 01:16, 20 June 2021 DrEdWilliams talk contribs created page Creating a CA and certificates (Created page with "Create the CA Key and Certificate: openssl genrsa -out WilliamsNetCA.key 2048 openssl req -x509 -new -nodes -key WilliamsNetCA.key -sha256 -days 1825 -out WilliamsNetCA.pem...")
• 00:20, 9 May 2021 DrEdWilliams talk contribs moved page Ceph-RBD Provisioner for Kubernetes to Ceph-CSI Provisioner for Kubernetes without leaving a redirect
• 19:40, 7 May 2021 DrEdWilliams talk contribs created page Ceph-RBD Provisioner for Kubernetes (Created page with "Step 1: Deploy Ceph Provisioner on Kubernetes Login to your Kubernetes cluster and Create a manifest file for deploying RBD provisioner which is an out-of-tree dynamic provisi...")
• 02:32, 5 May 2021 DrEdWilliams talk contribs created page Removing a disk from LVM (Created page with "If the non-root LVM volume, Volume Group, and Physical Volume used for the LV are no longer required on the system, then it could be removed/deleted using following steps. If...")
• 02:20, 27 February 2021 DrEdWilliams talk contribs created page VLAN Interfaces (Created page with "When it is necessary to provide a system access to one of the defined VLANs without having an available network interface, create the virtual interface on the primary ethernet...")
• 20:39, 27 December 2020 DrEdWilliams talk contribs created page K3s - Kubernetes Simplified (Created page with "Lightweight Kubernetes. Production ready, easy to install, half the memory, all in a binary less than 100 MB. Great for: * Edge * IoT * CI * Development * ARM * Embedding k8s...")
• 00:48, 26 December 2020 DrEdWilliams talk contribs created page Kontena Lens (Created page with "Kontena Lens is an IDE for Kubernetes ... from the product documentation: <blockquote>Lens is the most powerful IDE for people who need to deal with Kubernetes clusters on a d...")
• 03:57, 19 December 2020 DrEdWilliams talk contribs created page NVIDIA Docker Runtime (Created page with "(originally from https://docs.nvidia.com/datacenter/cloud-native/container-toolkit/install-guide.html#docker) == CentOS 7/8 == <pre>sudo yum-config-manager --add-repo https:/...")
• 02:20, 30 November 2020 DrEdWilliams talk contribs created page SSH Host Key Management (Created page with "Aside from the SSH authentication keys for users and root which must be distributed to a new system, the one item that is key to providing a unified operating environment is t...")
• 01:24, 30 November 2020 DrEdWilliams talk contribs created page Kubernetes (Created page with "This page is an index to the processes and practices for creating and managing [https://kubernetes.io kubernetes] clusters. * Kubernetes Cluster Installation * Upgrading...")
• 01:18, 30 November 2020 DrEdWilliams talk contribs created page System Administration Processes (Created page with "== Basic OS installation == * Basic CentOS 8 Installation * Basic CentOS 7 Installation * Basic Debian 10 Installation * Basic Fedora 31 Installation * Fedor...")
• 21:05, 29 November 2020 DrEdWilliams talk contribs moved page Basic Fedora 31 Installation to Basic Fedora 31+ Installation