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…
Tech Notes (31)
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}
Send HTML email from macOS Safari via Mail app
Create the HTML email Open it in Safari and make sure it looks good Go to the Share button and…
View TLS certs for HTTPS sites from the command line
echo | openssl s_client -showcerts -servername {domain} -connect {domain}:443 2>/dev/null | openssl x509 -inform pem -noout -text echo | openssl…
Setup fail2ban to block bots and script kiddies accessing a Node.js app behind an nginx reverse proxy
Setup fail2ban to stop bot HTTP and HTTPS connections on nodejs apps running through nginx proxy_pass Install fail2ban: sudo yum…
Shrink PDF size using Ghostscript
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf Took a 7MB PDF to 700K!