#sysadmin

@chris_siebenmann Status reports and indicators are untrustworthy, UPS battery edition #Tech #SysAdmin #Infrastructure

@chris_siebenmann There's a difference between a technology being ineffective and being uneconomical #Tech #SysAdmin #Infrastructure

@chris_siebenmann Our slow move toward boring (server) host names #SysAdmin #Infrastructure #Networking

@chris_siebenmann A surprise with systemd user service units and special shells #Systemd #Linux #SysAdmin

@lobsters Migrating from Codeberg Pages to an OpenBSD VPS #OpenBSD #WebDev #SysAdmin

@lobsters Dynamically Naming Servers #DevOps #SysAdmin #Networking

@chris_siebenmann I should write more shell scripts than I do #ShellScript #Automation #SysAdmin

@chris_siebenmann We should re-check our local settings every so often #SysAdmin #Networking #DevOps

@chris_siebenmann Why one of our systems had very slow systemd session starts #Systemd #Linux #SysAdmin

@purplesyringa accept() and socket inheritance #Programming #Networking #SysAdmin

@chris_siebenmann Some thoughts on (not) using GNU Emacs' Tramp remote editing system #Emacs #Sysadmin #DevTools

@chris_siebenmann Stopping a systemd service when a filesystem is unmounted #Systemd #Linux #SysAdmin

@chris_siebenmann Grafana dashboards are a marvel of the modern web environment #Grafana #WebDev #SysAdmin

@chris_siebenmann It helps to keep track of and investigate your clever ideas #SysAdmin #Productivity #TechTips

@chris_siebenmann URLs aren't strings, and my recent encounter with this #Tech #WebDev #SysAdmin

@chris_siebenmann Sometimes we do clean up network oddities #SysAdmin #Networking #Infrastructure

@chris_siebenmann What '<code>sh -x</code>' mostly doesn't tell you about a shell script #ShellScripting #Programming #SysAdmin

@chris_siebenmann Bug reports are hard, minor details matter edition #SysAdmin #SoftwareDevelopment #Tech

@chris_siebenmann The Ubuntu 26.04 server installer and reusing existing data filesystems #Linux #SysAdmin #Ubuntu

@lobsters Dead Software Walking: The ongoing evolution of relayd(8) and httpd(8) #OpenBSD #Sysadmin #SoftwareDev

@chris_siebenmann Getting access to the /tmp of a systemd service with <code>PrivateTmp=yes</code> #Systemd #Linux #Sysadmin

@chris_siebenmann Trying to stress Apache to 10,000 connections (with no answer yet) #WebServers #Performance #SysAdmin

@chris_siebenmann Getting a minimal environment for a third party GNU Emacs package #Emacs #Programming #SysAdmin

@chris_siebenmann An unfortunate limitation of the Apache server status page #WebServers #Apache #SysAdmin

@chris_siebenmann How you wind up with switches above your office's false ceiling #Sysadmin #Networking #Infrastructure

@chris_siebenmann Maybe assigning TCP connection to Linux traffic control 'flows' #Linux #Networking #SysAdmin

@chris_siebenmann The story of how we (eventually) found our missing firewall rule #Sysadmin #Networking #Troubleshooting

@chris_siebenmann Ubuntu 26.04 has broken shutdown announcements and <code>wall</code> doesn't work #Linux #SysAdmin #Networking

@chris_siebenmann Changes in how something behaves are a signal (but can be hard to notice) #SysAdmin #Observability #Infrastructure

@chris_siebenmann Prometheus 3.14's (likely) duration functions, especially <code>step()</code> #SysAdmin #Prometheus #DevOps

@chris_siebenmann Finding an outdated Git mirror host #Git #SysAdmin #DevOps

@chris_siebenmann A mistake I've made with the Apache <code>IfModule</code> directive #SysAdmin #WebDev #Apache

@hackernews An unusual way for your DHCP server to run out of dynamic IPs #HackerNews #Tech #SysAdmin

@chris_siebenmann An unusual way for your DHCP server to run out of dynamic IPs #SysAdmin #Networking #Tech

@chris_siebenmann BMCs and a surprising USB network device on your server #Tech #Networking #SysAdmin

@chris_siebenmann Our mixed building network wiring and its consequences #Sysadmin #Networking #Infrastructure

@chris_siebenmann Using Linux <code>tc</code> to limit the outgoing bandwidth of a web server #Linux #Networking #SysAdmin

@hackernews Sometimes it is the network: a war story #HackerNews #Tech #SysAdmin

@chris_siebenmann Sometimes it actually is the network: a war story #SysAdmin #Networking #Troubleshooting

@chris_siebenmann What buffer size (OpenSSH) <code>ssh</code> seems to use for streaming output #Sysadmin #OpenSSH #Networking