{"id":1731,"date":"2025-07-16T18:29:43","date_gmt":"2025-07-16T17:29:43","guid":{"rendered":"https:\/\/editjournal.redakt.eu\/faxmodem\/?p=1731"},"modified":"2025-07-17T11:33:25","modified_gmt":"2025-07-17T10:33:25","slug":"server-migration-cheat-sheet","status":"publish","type":"post","link":"https:\/\/editjournal.redakt.eu\/faxmodem\/blog\/servers\/server-migration-cheat-sheet\/","title":{"rendered":"Server migration cheat sheet"},"content":{"rendered":"<h3>Have <code>history<\/code> with timestamps<\/h3>\n<p>May not be enabled by default on a new server<\/p>\n<ul>\n<li>\n<p><code>~\/.bash_profile<\/code>:<\/p>\n<pre><code>if [ -f ~\/.bashrc ]; then\n    . ~\/.bashrc\nfi<\/code><\/pre>\n<\/li>\n<li>\n<p><code>~\/.bashrc<\/code>:<\/p>\n<pre><code># Enable timestamp in history\nexport HISTTIMEFORMAT=\"%F %T \"\n# Make history append instead of overwrite\nshopt -s histappend\n# Increase history size\nexport HISTSIZE=1000000\nexport HISTFILESIZE=2000000<\/code><\/pre>\n<p>(optional) Automatically <code>cd<\/code> to a specific folder on every SSH connection<\/p>\n<pre><code>cd ~\/domains<\/code><\/pre>\n<\/li>\n<\/ul>\n<h3>Dump database into file on old server<\/h3>\n<p>Before copying over all of your files, you may want to dump the database so that it's copied over as well.<\/p>\n<pre><code>mysqldump -h database.example.com -P 33000 -u db_usr -p db_name > \/var\/www\/dir\/db_dump.sql<\/code><\/pre>\n<ul>\n<li><code>-h<\/code>: if your database is on a remote server, provide hostname or IP address; else do not provide <code>-h<\/code> at all<\/li>\n<li><code>-P<\/code>: if your server port is non-standard; else do not provide <code>-P<\/code> at all<\/li>\n<li><code>-u<\/code>: database user<\/li>\n<li><code>-p<\/code>: prompt the password; if you want you can provide your password explicitly as <code>-pMYPASSWORD<\/code>, but that may compromise it<\/li>\n<\/ul>\n<h3>Copy folder from old server to new server<\/h3>\n<p><em>Copying files from old server? Might as well include database dump. See above.<\/em><\/p>\n<p>Below copies <code>dir<\/code> from <code>\/var\/www<\/code> on old server to <code>\/var\/www<\/code> on new server.<\/p>\n<ul>\n<li>\n<p><strong>SCP<\/strong><\/p>\n<pre><code>scp -P 2222 -r -p username@oldserver:\/var\/www\/dir \/var\/www<\/code><\/pre>\n<ul>\n<li><code>-P<\/code>: non-standard SSH port<\/li>\n<li><code>-r<\/code>: recursive, i.e. everything inside given folder including subfolders<\/li>\n<li><code>-p<\/code>: preserve original timestamps<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Rsync<\/strong><\/p>\n<pre><code>rsync -avh -e 'ssh -p 2222' username@oldserver:\/var\/www\/dir \/var\/www<\/code><\/pre>\n<ul>\n<li><code>-v<\/code>: verbose, print information about progress of the transfer and files being copied<\/li>\n<li><code>-h<\/code>: human-readable, used with -v, makes file sizes easier to read<\/li>\n<li><code>-a<\/code>: archive, shorthand for the following:\n<ul>\n<li><code>-r<\/code>: recursive<\/li>\n<li><code>-l<\/code>: copy symlinks as symlinks, do not dereference<\/li>\n<li><code>-p<\/code>: preserve permissions (file permission bits)<\/li>\n<li><code>-t<\/code>: preserve original timestamps.<\/li>\n<li><code>-g<\/code>: preserve original group ownership<\/li>\n<li><code>-o<\/code>: preserve original owner<\/li>\n<li><code>-D<\/code>: preserve device files and special files:\n<ul>\n<li><code>--devices<\/code> \u2013 copy device files<\/li>\n<li><code>--specials<\/code> \u2013 copy special files like named pipes and sockets<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Restore database on new server<\/h3>\n<pre><code>mysql -u db_usr -p db_name < \/var\/www\/dir\/db_dump.sql<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Have history with timestamps May not be enabled by default on a new server ~\/.bash_profile: if [ -f ~\/.bashrc ]; then . ~\/.bashrc fi ~\/.bashrc: # Enable timestamp in history export HISTTIMEFORMAT=&#8221;%F %T &#8221; # Make history append instead of overwrite shopt -s histappend # Increase history size export HISTSIZE=1000000 export HISTFILESIZE=2000000 (optional) Automatically cd&hellip; <a class=\"more-link\" href=\"https:\/\/editjournal.redakt.eu\/faxmodem\/blog\/servers\/server-migration-cheat-sheet\/\">Continue reading <span class=\"screen-reader-text\">Server migration cheat sheet<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[956],"tags":[1259,817],"class_list":["post-1731","post","type-post","status-publish","format-standard","hentry","category-servers","tag-cheat-sheet","tag-vps","entry"],"_links":{"self":[{"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/posts\/1731","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/comments?post=1731"}],"version-history":[{"count":6,"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/posts\/1731\/revisions"}],"predecessor-version":[{"id":1737,"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/posts\/1731\/revisions\/1737"}],"wp:attachment":[{"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/media?parent=1731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/categories?post=1731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/editjournal.redakt.eu\/faxmodem\/wp-json\/wp\/v2\/tags?post=1731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}