List recently active users in a secure web portal.Instant email notification of successful SSH logins.Run command on each line of a text file, increment a counter, and show line number with context.Determine web access history for each IP address, sorted by IP, with timestamps.Embed DDOS-proof web hit counter in web page.Mass edit files in place with changes to script embedded in file.Create sitemap for 404 page using command line tools 🔥.Search Maildir for particular string in emails.Configure Postfix to reject all private sector.Configure Fail2Ban to reject all users who fail to log in when trying to send email.Restrict SSH logins to specific users only.Prefer IPv4 when sending email with Postfix.Create auto-updating table of contents in any HTML/PHP file 🔥.Convert HTML tags to HTML entities in code blocks.Extract frames from high resolution video as PNG stills with timestamps.Create daily backups of your email server and delete backups older than 7 days, then upload today's backup to your cloud.Test email deliverability with OpenSSL instead of Telnet.Split gigantic text file into pages based on user-specified record separator.Create contact sheet with ImageMagick including EXIF information.
0 kommentar(er)
