
sed – stream editor
You want to use sed to prefix a line with a #, given by the linenumber 18? sed -i ‚{18s/^/#/}‘ theFile.txt
You want to use sed to prefix a line with a #, given by the linenumber 18? sed -i ‚{18s/^/#/}‘ theFile.txt
Under Windows you can find Chrome’s cookies in the folder: C:\Users\BeckS\AppData\Local\Google\Chrome\User Data\Default\ Here it’s inside the sqlite-file: cookies You can open the file with an […]
Unusual linux commands can be very handy in several cases. Here are some of them. Repeat the last typed command: !! Display file-content like cat, […]
You might have discovered strange characters in your email-subject like: ü, ä or ö, and so on? That’s because you have sent them as UTF-8 and they are being interpreted […]
ffmpeg is a mighty tool for dealing with videos. Around the ffmpeg core is a rich ecosystem with video-editing related tools. First, we look at some […]
Some useful Linux terminal shortcuts. For increased proficiency on the shell. CTLR + L Clean-up the whole screen CTRL + A […]
Read Linux Tutorial Part1, before you start here. Commands you have head about in Part1 are: whoami, hostname, uname, uptime, clear, pwd, cd, echo, ~ […]
How to find the windows version on the command-prompt (cmd) ver For a more detailed output you can use: systeminfo
These tutorials explain the Linux operating system (os) step by step. Starting with simple examples and getting more advanced each lesson. The line where we […]
How to get size of whole mysql-db? SELECT Round(Sum(data_length + index_length) / 1024 / 1024, 1) „size“ FROM information_schema.tables GROUP BY „size“;
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