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Help killing Keystone, the Carbon Mega-Bomb, by calling the United States to respect their promises about climate preservation.

MariaDB (MySQL): retrieve database collation

In the MySQL prompt:

Git: push a tag when the remote is up-to-date

I started using tags a few weeks ago, after reading "A successful Git branching model". Update: tags are not pushed along without the --tags option. Tags are simply pushed along with the usual git push command. However, if a tag is created after pushing the latest commit, another git push just…

Git: push/pull new branches to/from a remote repository

To push the branch newbranch to the remote repository origin: $ git push -u origin newbranch The -u option (we can also use the more verbose --set-upstream option) tells Git to also track this branch, thus allowing us to pull automatically future upstream commits using git pull. To pull the…

Linux: check if your SSD supports TRIM

I have read a lot of articles about optimizing solid-state drives. Most of them talk about the TRIM feature but we need to make sure that our SSD is compatible. To check it: $ sudo hdparm -I /dev/sda | grep TRIM If the output is similar to the following, we are good to go: Note that hdparm was…