zukatsu.tk => A collection of random notes

created for a reminder of all things that happen in the past

Ubuntu Search and Show Multiple Line On Text Base On Search Keyword

1. Using Grep Using grep you can do search with this format, grep -A number_of_line search_keyword file, example : grep -A 3 2016-07-13 file Command above will get 3 line from file, start from search keyword 2. Using Sed With sed you can search with this command, sed -n '/start_search_keyword/,/end_search_keyword/p' file, example : sed -n '/2016-07-13/,/2016-07-19/p'. . . selengkapnya>>

Crontab Suddenly Missing

Be carefull when using crontab, "crontab -e" could be handy for edit/write crontab command but also crontab have delete command "crontab -r", this command will delete all user crontab without prompt, the problem is e and r is very close, this problem happen to me , my crontab command suddenly missing, when i search for this problem, i found that crontab -r is. . . selengkapnya>>

Create Folder And It's Parent Directory

Create Folder And It's Parent Directory mkdir -p nested/folder/inside/ source : https://unix.stackexchange.com/questions/305844/how-to-create-a-file-and-parent-directories-in-one-command . . . selengkapnya>>

How to Install and Use Screen on an Ubuntu

How to Install and Use Screen on an Ubuntu, here are the link : https://www.digitalocean.com/community/tutorials/how-to-install-and-use-screen-on-an-ubuntu-cloud-server . . . selengkapnya>>

Ubuntu Recursive Search

grep -rl --null "Your Find" . | xargs -0 sed -i.bak -e "s/Your Find/Replace/"   Source : https://unix.stackexchange.com/questions/113746/test-recursive-sed-search-and-replace-before-running . . . selengkapnya>>