Today I wanted to resize some pictures. I always use command line and “convert” to do it. Usually I type this:
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convert pix1.jpg -resize 1024 resized_pix1.jpg |
This command resizes me picture to 1024 pixels in width. Today I wanted do the same but I had more pictures. So if you would like to do batch convert type this in terminal:
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for i in *.jpg; do convert "$i" -resize 1024 converted_"$i".jpg; done |
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First of all – what is SSH? Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. Wikipedia said… Imagine this situation: you have server at your office and you are at home. You want to do some things on the server from your home. Using SSH protocol you can have a terminal from your server on your computer at home. And finally…
Read MoreLast time I bought a desktop PC to my small office. I wanted to have a PC which will be always in my office, because getting notebook every time is not comfortable. So I bought Dell OptiPlex 760 Form Factor (FF) with this configuration: Intel® Core™2 Duo Processor E8400 2 x 3,0 Ghz, 6MB Cache, 4 GB RAM, 160 GB HDD. I deleted Windows and I installed Ubuntu 16.04, of…
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Read MoreWhen you want to search content of many files in Ubuntu, simply type this command:
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grep -r -l "searching text" |
System will search recursively all files at present location.
Read MoreSometimes – especially when I copy large files to my USB flash drive – something is going wrong. Then I noticed that my USB flash drive is read only. I don’t know why this happens, but I think it is connected with DOS file system. So let’s see the solution.
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