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shell script to remove files didn't work

I want to delete multiple images having resolution less then 228x228. For that, I wrote this shell script: #!/bin/bash for i in $( ls ); do if [$(identify...

Published: Jul 19, 2026

updates

Qualcomm Atheros AR9485 Bluetooth adapter NOT FOUND

Input $ lspci -nnk | grep -iA2 net; lsusb; dmesg | egrep -i 'blue|firm'; lsmod | grep blue Result 02:00.0 Network controller [0280]: Qualcomm At...

Published: Jul 19, 2026

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install specific java version for 12.04

I updated my 12.04 server with latest packages among them was an update to java 1.8u20. Now I found out that my application is not running correctly with ...

Published: Jul 19, 2026

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Prevent/Supress showing popup of Wifi Connection asking for password on terminal command

Im working on a C++ program that can execute terminal commands for me, and one of its functions is wifi manipulation (connect, disconnect, forget). Right ...

Published: Jul 19, 2026

general

Give specific user permission to write to a folder using +w notation

I know I can assign the permission to write to an owner/group/others like this: chmod u+w myfolder Can I specify the specific user here? Some like this: c...

Published: Jul 19, 2026

general

Switch DNS quickly

In Android we have applications like daedalus which is a local VPN (Not remote) and used to change DNS quickly. I need such way in Ubuntu in order to chan...

Published: Jul 19, 2026

general

Problem with scp syntax

I am trying to copy a .tar archive from remote server to my pc. Directory of the archive that I want to copy: canserhan@embserv:~/tar_files/rtl_archive.ta...

Published: Jul 19, 2026

updates

How do I install Brother printer drivers?

Have read previous answers and they do not solve my problem. I downloaded Brother printer drivers. From file cabinet search found Downloads, Properties sh...

Published: Jul 19, 2026

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How to test the microphone on a laptop?

Everything here works so far -- in that, crucially, the sound plays back. How is the microphone itself tested? nicholas@gondor:~$ nicholas@gondor:~$ sudo ...

Published: Jul 19, 2026

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convert images to pdf

I have saved multiple images from google books. I wanted to convert them to a single pdf file, where in I need some inputs. The below two images(one png a...

Published: Jul 19, 2026

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