This article works through the steps to update dependencies in the composer.json file to the latest version. Use composer outdated to suggest the latest versions. composer outdatedWhereas, to return a complete list of packages where packages that need an update are coloured red, the up-to-date ones are coloured green composer show -l  Steps from above with responses Updating packages to a version supported by the constraints use: composer updateWhereas, if you want to update the constraints...

I had generated a backup of key directories on the server - see Create a Ubuntu backup shell script.  With a backup in hand, now it was time to test how to unpack a backup and overwrite the directories. First I unpacked the backup to a temporary directory tmp-cc. Now I wanted to replace several of the directories on the server.  Starting with home, var and etc.   But what is an efficient method to overwrite a directory?   Also removing any directories that aren't in the copied version....