Jul 13, 2011 · How can I get the size of a file in a bash script? How do I assign this to a bash variable so I can use it later?

This does not seem to work anymore, at least not in my case. ssh client was blindly trying unrelated private keys to authenticate to a newly installed server and keep in being rejected due to the …

How can I use ffmpeg to reduce the size of a video by lowering the quality (as minimally as possible, naturally, because I need it to run on a mobile device that doesn't have much available space)?...

I need to execute multiple commands using nohup. Each command should be executed after the previous command. I used this command as an example: nohup wget $url ...

You have an alias which is overriding the builtin source (fix with unalias source) You have a function which is overriding source (fix with unset -f source) You are somehow not using bash (although your …

Note: I'm using RHEL 5.3 version of netcat that has the following options: $ nc --help nc: invalid option -- - usage: nc [-46DdhklnrStUuvzC] [-i interval] [-p source_port] [-s source_ip_address] [-T ToS] [-w …

I find myself repeating a lot of: mkdir longtitleproject cd longtitleproject Is there a way of doing it in one line without repeating the directory name? I'm on bash here.

General info The facilities local0 to local7 are "custom" unused facilities that syslog provides for the user. If a developer create an application and wants to make it log to syslog, or if you want to redirect the …

Note disproportion with title. -l parameter for netcat does mean to listen. It does not send given data, but listen to incoming connection and after connection it will send given data. To send data to some …

What command would I use to convert an mp4 or mv4 video file to an animated gif, and vice versa. That is, convert a animated gif to a mp4 or mv4.