The following are at the system level
For our production systems we use Debian as a base install. Once installed:
It may help to mount the old root if you have it. Now it is on
mount /dev/sdd2 /mnt/old-root/
We can bootstrap with the Debian guix package. Next move the store to a large partion and hard mount it in /etc/fstab with
/export2/gnu /gnu none defaults,bind 0 0
Run guix pull
wrk@tux04:~$ guix pull -p ~/opt/guix-pull --url=https://codeberg.org/guix/guix-mirror.git
Use that to install guix in /usr/local/guix-profiles
guix package -i guix -p /usr/local/guix-profiles/guix
and update the daemon in systemd accordingly. After that I tend to remove /usr/bin/guix
The Debian installer configures guix. I tend to remove the profiles from /etc/profile so people have a minimal profile.
Basically recover the database from a backup is the best start and set permissions. We usually take the default mariadb unless production is already on a newer version - so we move to guix deployment.
On tux02 mariadb-10.5.8 is running. On Debian it is now 10.11.11-0+deb12u1, so we should be good. On Guix is 10.10 at this point.
apt-get install mariadb-server
Next unpack the database files and set permissions to the mysql user. And (don't forget) update the /etc/mysql config files.
Restart mysql until you see:
mysql -u webqtlout -p -e "show databases" +---------------------------+ | Database | +---------------------------+ | 20081110_uthsc_dbdownload | | db_GeneOntology | | db_webqtl | | db_webqtl_s | | go | | information_schema | | kegg | | mysql | | performance_schema | | sys | +---------------------------+
We use borg for backups. First restore the backup on the PCIe. Also a test for overheating!
The swaks package is quite useful to test for a valid receive host:
swaks --to testing-my-server@gmail.com --server smtp.network === Trying smtp.network:25... === Connected to smtp.network. <- 220 mailrouter8.network ESMTP NO UCE -> EHLO tux04.network <- 250-mailrouter8.network <- 250-PIPELINING <- 250-SIZE 26214400 <- 250-VRFY <- 250-ETRN <- 250-STARTTLS <- 250-ENHANCEDSTATUSCODES <- 250-8BITMIME <- 250-DSN <- 250 SMTPUTF8 -> MAIL FROM:<root@tux04.network> <- 250 2.1.0 Ok -> RCPT TO:<pjotr2020@thebird.nl> <- 250 2.1.5 Ok -> DATA <- 354 End data with <CR><LF>.<CR><LF> -> Date: Thu, 06 Mar 2025 08:34:24 +0000 -> To: pjotr2020@thebird.nl -> From: root@tux04.network -> Subject: test Thu, 06 Mar 2025 08:34:24 +0000 -> Message-Id: <20250306083424.624509@tux04.network> -> X-Mailer: swaks v20201014.0 jetmore.org/john/code/swaks/ -> -> This is a test mailing -> -> -> . <- 250 2.0.0 Ok: queued as 4157929DD -> QUIT <- 221 2.0.0 Bye === Connection closed with remote host
An exim configuration can be
dc_eximconfig_configtype='smarthost' dc_other_hostnames='genenetwork.org' dc_local_interfaces='127.0.0.1 ; ::1' dc_readhost='' dc_relay_domains='' dc_minimaldns='false' dc_relay_nets='' dc_smarthost='smtp.network' CFILEMODE='644' dc_use_split_config='false' dc_hide_mailname='false' dc_mailname_in_oh='true' dc_localdelivery='maildir_home'
And this should work:
swaks --to myemailaddress --from john@network --server localhost