Purchase SSL

Here are some cheap SSL providers https://www.sslforfree.com/ https://zerossl.com https://www.ssls.com/ https://www.gogetssl.com https://www.namecheap.com/security/ssl-certificates/comodo/ See SSL

ssl checker

Here is few web sites where you can check your SSL certificate is installed properly. https://www.ssllabs.com/ssltest/ https://cryptoreport.websecurity.symantec.com/checker/ https://sslanalyzer.comodoca.com/ See SSL

Convert Video info MP4 using ffmpeg

Convert Video For Streaming if you want to scale the video to specific size, use -vf scale option, example Inject

Create video thumbnail using ffmpeg/mplayer

Create thumbnail with ffmpeg To create thumbnail from video using ffmpeg, use Here HH:MM:SS = replace with time where you

Scale a video using ffmpeg

To Scape a Video using ffmpeg, run See ffmpeg

Cut a Video using ffmpeg

To cut a video using ffmpeg, use To cut a video and encoding it DURATION_IN_SECONDS specify duration of new clip.

lftp Fatal error: Host key verification failed

When i connect to a remote SFTP server using lftp, i get following error The error is “Fatal error: Host

Using tar over SSH Session

I wanted to make a tar of a folder on a remote server. But the server don’t have much disk

Zimbra Unable to validate certificate chain

On installing SSL on Zimbra mail server, i get following error This was due to SSL cert chain. The ca-bundle

SELinux

To disable SELinux, edit Now you need to reboot. If you don’t want to reboot, disable it for current session

xe vm-list

xe vm-list command is used to list all VM on a Xen Server. See Xen

Xen

xe vm-list Manage XenServer from command line with xe xsconsole