Categories: Linux

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Commands

How to install PostgreSQL 10 on Ubuntu Xenial 16.04 LTS

For installing the new version of PostgreSQL 10 on Ubuntu Xenial 16.04 LTS :   sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main 10" > /etc/apt/sources.list.d/pgdg.list' sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg-testing main 10" >> /etc/apt/sources.list.d/pgdg.list' sudo apt-get install wget ca-certificates wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add - sudo apt-get update sudo apt-get upgrade sudo apt-get install postgresql-10 pgadmin3 Source: https://wiki.postgresql.org/wiki/Apt https://wiki.postgresql.org/wiki/Apt/FAQ#I_want_to_try_the_beta_version_of_the_next_PostgreSQL_release Related PostsUpgrading From Biolinux 7 (Ubuntu 12.04 LTS) Read more…

Linux

Copying files without overwriting destination

rsync is used by to copy files remotely and locally rsync -avzu /home/x /y -u = do not overwrite a file at the destination, if it is modified Source: http://superuser.com/questions/409980/sync-two-local-folders-in-bash Or  you can use cp Read more…

Linux

Check the sum of file size from a list of files (ls)

ls -FaGlh a.txt b.txt | awk ‘{ print; total += $4 }; END { print “total size: “,total }’ total size: 205.7 http://stackoverflow.com/questions/6644722/check-total-file-size-of-a-specific-directory-for-a-specific-user Related PostsCopying files without overwriting destinationAdding a user to a groupUpgrading From Biolinux Read more…