TrueNAS usage

Hi Denis!

I have got a setup where important data-filled TrueNAS Scale (Debian based)
is replicated to another TrueNAS Scale dedicated for backup. Using NFS4
extended attributes etc. On the backup TrueNAS Scale I would also like to
make backups of the replicated data with dar, because we know that a
snapshot replication is not a full backup :-)

For this the best would be if I could run dar on the TrueNAS Scale itself
which doesn't seem to be a problem because it can compile the software,
everything seems nice, but the dar -V output is at the end of my mail.

As you can see, it cannot find any compression libraries, which is
essential for my dar backups.
What should I do? I really don't want to hack stuff on TrueNAS (apt doesn't
work out of the box), I would rather compile what's needed, because I think
that future upgrade would work the best this way and I would know what I am
doing.

What is your suggestion to be able to use dar as on a normal linux system?

Thanks,
Daniel

----------------

 dar version 2.7.13, Copyright (C) 2002-2023 Denis Corbin
   Long options support         : YES

 Using libdar 6.7.1 built with compilation time options:
   gzip compression (libz)      : NO
   bzip2 compression (libbzip2) : NO
   lzo compression (liblzo2)    : NO
   xz compression (liblzma)     : NO
   zstd compression (libzstd)   : NO
   lz4 compression (liblz4)     : NO
   Strong encryption (libgcrypt): NO
   Public key ciphers (gpgme)   : NO
   Extended Attributes support  : YES
   Large files support (> 2GB)  : YES
   ext2fs NODUMP flag support   : NO
   Integer size used            : 64 bits
   Thread safe support          : YES
   Furtive read mode support    : YES
   Linux ext2/3/4 FSA support   : NO
   Mac OS X HFS+ FSA support    : NO
   Linux statx() support        : YES
   Detected system/CPU endian   : little
   Posix fadvise support        : YES
   Large dir. speed optimi.     : YES
   Timestamp read accuracy      : 1 nanosecond
   Timestamp write accuracy     : 1 nanosecond
   Restores dates of symlinks   : YES
   Multiple threads (libthreads): NO
   Delta compression (librsync) : NO
   Remote repository (libcurl)  : NO
   argon2 hashing (libargon2)   : NO

 compiled the Dec 17 2023 with GNUC version 10.2.1 20210110
 dar is part of the Disk ARchive suite (Release 2.7.13)
 dar comes with ABSOLUTELY NO WARRANTY; for details
 type `dar -W'. This is free software, and you are welcome
 to redistribute it under certain conditions; type `dar -L | more'
 for details.