IT pill

Is there any tool to validate HTML code in Linux?

Yes, certainly. You can download tidy (the HTML syntax checker).

Once downloaded you run it from the command line

$ tidy -e page.html

The above line will just display errors or warnings if any

$ tidy page.html

The above line will display any error or warning and the full HTML page as well

$ tidy -modify page.html

The above line will modify the original input file with a fixed version of it.

For more options, run – of course –$ man tidy.

Daily IT pill news

There are some important news regarding our Daily IT pill, previously known as Daily tip. They won’t be anymore daily and not always quick and short to avoid – where applicable – any detrimental rota memorization. Therefore any technical pill will be often written as a short tutorial.

Daily IT pill

I don`t want to use systemd, which Linux distributions do not use it?

Sure, you can use any of the below

  • Knoppix
  • Devuan
  • Gentoo
  • Slackware
  • Solus

For a comprehensive list, please see http://without-systemd.org/wiki/index.php/Linux_distributions_without_systemd

Daily IT pill

Is there any tool i n Linux to dump the system memory?

Yes, you can grab Linux Memory Grabber from GitHub instead of trying to read directly to /dev/mem or develop yourself a program. Keep in mind that is impossible to read all RAM and not modify at least a tiny part of it while doing so.

Daily IT pill

What’s the difference between Windows and UNIX implementation of the tracert/traceroute tool?

Basically UNIX variants uses the UDP protocol and choose a destination port >33434 or higher, whereas the Windows implementation sends an ICMP echo request directly.