August 2015 – Ersin Akyüz

raspberry pi released 5$ model raspberry pi zero!

October 14, 2016August 29, 2015 by Ersin Akyüz

Raspberry Pi Zero has released out this week. It’s not powerful as Raspberry Pi 2. However specs is so good for 5$ computer. 1Ghz, Single-core CPU (Broadcom BCM2835 ARMv6 SoC full HD processor) 512MB 400 MHz RAM Mini HDMI and USB On-The-Go ports Micro USB power HAT-compatible 40-pin header Composite video and reset … Read more

Replace a String in Multiple Files in Linux Using Grep and Sed

August 12, 2015 by Ersin Akyüz

Example grep -rl ‘old-string’ ./ | xargs sed -i ‘s/old-string/new-string/g’ This will search for the string ‘old-string’ in all files relative to the current directory and replace ‘old-string’ with ‘new-string’ for each occurrence of the string in each file.