Using `curl` to check a TLS certificate on a websocket (`ws` or `wss`)
Checks the TLS cert on the connection: curl -v \ --insecure \ --include \ --no-buffer \ --header "Connection: Upgrade" \…
Tech Notes (35)
Permanent shell history in zsh
I like to keep a permanent record of my shell commands so I can search back through them later. This…
Get hard drive serial number on RAID with storcli / megaraid
Error message received: ``` Ctl Model Ports PDs DGs DNOpt VDs VNOpt BBU sPR DS EHS ASOs Hlth 0 LSIMegaRAIDSAS9260-8i…
Preserving newlines / line breaks in BASH
declare f="fafafda adffd adfadf adfafd afd" echo $f echo "vs" echo "$f" Output: $./above fafafda adffd adfadf adfafd afd vs…
Hide object keys when console.log-ging in JavaScript
When doing a console.log on an object, you can overwrite the inspect prototype key to hide anything you don’t want…
Git search for filename across all branches
git log --all --name-only --pretty=format:%H -- {glob} example: git log --all --name-only --pretty=format:%H -- index*
Disable macOS reopen all windows on restart from the cli
defaults write com.apple.loginwindow TALLogoutSavesState -bool false
Docker error on CentOS with `noexec` `/tmp`
Error you get running docker: docker-compose: error while loading shared libraries: libz.so.1: failed to map segment from shared object: Operation…
bash error "-bash: complete: nosort: invalid option name"
For me, this was due to an incompatible version of complete being used with the WireGuard wg and wg-quick commands…
Calculate MD5 or SHA256 file checksum from macOS cli
brew install coreutils md5sum ${filename} or sha256sum ${filename}