When transferring data from one server to another – maybe for backup reason – most people use tar to create an archive. Then they copy it to the new server and untar it or leave it as a tarfile as backup.<\/p>\n
Working with UNIX and using a trick you can transfer it with compression and speed up the whole transfer time a lot.<\/p>\n
Using the output result of a command directly as the command line input of a second command using a Unix Pipe the need of writing it down to disk first no longer exists. Finally accessing the remote system though a ssh tunnel will even transfer the compressed data over the network within one single step.<\/p>\n
Invoking the following single command will transfer all your data within sourcedirectory an Server B and immediately store it locally on Server B within a compress archive:<\/p>\n
ssh username@hostname “cd \/sourcedirectory\/ ; tar czf – .” > \/targetdirectory\/filename.tgz<\/em><\/p>\n While the following variation:<\/p>\n ssh username@hostname “cd \/sourcedirectory\/ ; tar czf – .”> \/targetdirectory\/filename.tgz| tar xvf –<\/em><\/p>\n will directly extract it again for you on the your local system.<\/p>\n","protected":false},"excerpt":{"rendered":" When transferring data from one server to another – maybe for backup reason – most people use tar to create an archive. Then they copy it to the new server and untar it or leave it as a tarfile as backup. Working with UNIX and using a trick you can transfer it with compression and […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[260,14,31,15],"tags":[148,147,151,150,81,149,77,263],"class_list":["post-141","post","type-post","status-publish","format-standard","hentry","category-backup","category-operatingsystem","category-tipsntricks","category-unix","tag-file-transfer","tag-network","tag-pipe","tag-secure-shell","tag-server","tag-ssh","tag-tar","tag-unix"],"_links":{"self":[{"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=\/wp\/v2\/posts\/141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=141"}],"version-history":[{"count":8,"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=\/wp\/v2\/posts\/141\/revisions"}],"predecessor-version":[{"id":366,"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=\/wp\/v2\/posts\/141\/revisions\/366"}],"wp:attachment":[{"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.askthegerman.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}