Category: Quick Tip

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Convert certificate format with OpenSSL

Convert a PEM file to DER (crt etc) $ openssl x509 -outform der -in certificate.pem -out certificate.crt Convert a PKCS#12 file (.pfx .p12) containing a private key and certificates to PEM $ openssl pkcs12...

ZSH Home / End Keys 0

ZSH Home / End Keys

Self note, Add this lines to ~/.zshrc bindkey ‘\e[1~’ beginning-of-line # Linux console bindkey ‘\e[H’ beginning-of-line # xterm bindkey ‘\eOH’ beginning-of-line # gnome-terminal bindkey ‘\e[2~’ overwrite-mode # Linux console, xterm, gnome-terminal bindkey ‘\e[3~’ delete-char...

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Matching non ASCII characters in NGiNX location

If you need to match a non ASCII string with NGiNX, and don’t want to use the encoded URL, you can use this trick, location ~* (*UTF8)^/אודות$ { return 301 “https://blog.rabin.io/about-me”; } Resources http://stackoverflow.com/questions/28055909/does-nginx-support-raw-unicode-in-paths...

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[PHP] Validate Email Address Format

A quick snippet I use to validate email address format. <?php if (empty($argv[1])) { echo ‘usage: ‘ . $argv[0] . ‘ [email protected]’ . PHP_EOL; exit (1); } array_shift($argv); foreach ($argv as $key => $email)...