diff --git a/glicid/packages/linux.scm b/glicid/packages/linux.scm
new file mode 100644
index 0000000..cd74c84
--- /dev/null
+++ b/glicid/packages/linux.scm
@@ -0,0 +1,275 @@
+(define-module (glicid packages linux)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix build-system cmake)
+;  #:use-module (guix licenses)
+  #:use-module (gnu packages gawk)
+  #:use-module (gnu packages gcc)
+  #:use-module (gnu packages commencement)
+  #:use-module (guix build-system python)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module ((guix utils) #:select (target-64bit?))
+  #:use-module (gnu packages)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages freeipmi)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages mpi)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages parallel)
+  #:use-module (gnu packages storage)
+  #:use-module (gnu packages networking)
+  #:use-module (gnu packages gtk)  
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages python-science)
+  #:use-module (gnu packages python-web)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages readline)
+  #:use-module (gnu packages tcl)
+  #:use-module (gnu packages tls)
+  #:use-module (gnu packages commencement)
+  #:use-module (gnu packages gcc)
+  #:use-module (gnu packages chemistry)
+  #:use-module (gnu packages sphinx)
+  #:use-module (srfi srfi-1)
+  #:use-module (gnu packages mpi)
+  #:use-module (gnu packages sssd)
+  #:use-module (gnu packages fabric-management)
+  #:use-module (gnu packages benchmark)
+  #:use-module (gnu packages messaging)
+  #:use-module (gnu packages web)
+  #:use-module (gnu packages gnome)
+  #:use-module (gnu packages cluster)  
+  #:use-module (gnu packages libevent)
+  #:use-module (gnu packages xorg)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages flex)
+  #:use-module (gnu packages bison)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages fontutils)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages maths)     
+  #:use-module (guix utils)
+  #:use-module (gnu packages cmake)
+  #:use-module  (gnu packages pretty-print)
+  #:use-module (gnu packages boost)
+  #:use-module (gnu packages curl)
+  #:use-module (gnu packages cryptsetup)
+  #:use-module (gnu packages xml)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages assembly)
+  #:use-module (gnu packages authentication)
+  #:use-module (gnu packages bdw-gc)
+  #:use-module (gnu packages boost) 
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages crypto)
+  #:use-module (gnu packages cryptsetup)
+  #:use-module (gnu packages curl)
+  #:use-module (gnu packages databases)
+  #:use-module (gnu packages disk)
+  #:use-module (gnu packages gperf)
+  #:use-module (gnu packages jemalloc)
+  #:use-module (gnu packages linux)   
+  #:use-module (gnu packages lua)     
+  #:use-module (gnu packages ncurses) 
+  #:use-module (gnu packages networking)
+  #:use-module (gnu packages nss)
+  #:use-module (gnu packages openldap)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages sphinx)
+  #:use-module (gnu packages tls)   
+  #:use-module (gnu packages web)   
+;;  #:use-module (gnu packages glicid)
+  #:use-module (gnu packages pretty-print)
+  #:use-module (gnu packages virtualization)
+
+)
+
+
+(define-public glicid-rdma-core
+(package
+    (inherit rdma-core)
+    (name "glicid-rdma-core")
+    (version "31.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/linux-rdma/rdma-core"
+                                  "/releases/download/v" version "/rdma-core-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "02ym93k6khfmzm9rml79x9zh1dy8231sygw16r287mhwp0x9mbji"))))
+ )
+)
+
+
+(define-public glicid-rdma-core-gcc-11
+(package
+    (inherit rdma-core)
+    (name "glicid-rdma-core-gcc-11")
+    (version "32.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/linux-rdma/rdma-core"
+                                  "/releases/download/v" version "/rdma-core-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "1z1i741bcn9vchmkjs8nxj0c0bw0jr53zj74l839n2wrb45f55w1"))))
+    (inputs `(("gcc-11", gcc-11)
+      ,@(package-inputs rdma-core)))
+ )
+)
+
+(define-public glicid-libfabric-gcc-11
+(package
+    (inherit libfabric)
+    (name "glicid-libfabric-gcc-11")
+    (version "1.11.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri
+        (string-append "https://github.com/ofiwg/libfabric/releases/download/v"
+                       version "/libfabric-" version ".tar.bz2"))
+       (sha256
+        (base32 "1nnpfkwxhim2nqjkb1vwrb4wj4j3l6w6yvvy69fqam2snlhshazz"))))
+
+    (inputs `(("gcc-11", gcc-11)
+      ,@(package-inputs libfabric)))
+ )
+)
+
+
+(define-public glicid-ucx-gcc-11
+ (package
+  (inherit ucx)
+  (name "glicid-ucx-gcc-11")
+  (version "1.10.0")
+  (source 
+   (origin
+    (method url-fetch)
+    (uri (string-append "https://github.com/openucx/ucx/releases/download/v" version "/ucx-" version ".tar.gz" ))
+    (sha256 (base32 "0bdrbp86snq5z0y66zzxs7ig33g9h59kag11rc1lqwll3d5y51dq"))
+   ))
+
+  (inputs `(("gcc-11", gcc-11)
+            ("gfortran-11", gfortran-11)
+                  ,@(package-inputs ucx)))
+  )
+)
+
+(define-public glicid-ucx-gcc-10
+ (package
+  (inherit ucx)
+  (name "glicid-ucx-gcc-10")
+  (version "1.9.0")
+  (source 
+   (origin
+    (method url-fetch)
+    (uri (string-append "https://github.com/openucx/ucx/releases/download/v" version "/ucx-" version ".tar.gz" ))
+    (sha256 (base32 "1yrmwvjxi3najax1wz4irpzxns6cp74ksdx4i1049mf03n2ci8m7"))
+   ))
+
+  (inputs `(("gcc-10", gcc-10)
+            ("gfortran-10", gfortran-10)
+                  ,@(package-inputs ucx)))
+  )
+)
+
+
+(define-public glicid-specific-rdma-core-gcc-11
+  (package
+    (inherit rdma-core)
+    (name "glicid-specific-rdma-core-gcc-11")
+    (version "36.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/linux-rdma/rdma-core"
+                                  "/releases/download/v" version "/rdma-core-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+;;                 "1s4b80jzdi2m6j5aix3mxl6iafgbqp88pfxy7568zxwc8rkcz71x"
+		   "13ccvy3qv5b87g3b5q86gjv4wkgv86dlm9xbmii5aiy3i10ym48l"
+))))
+      (inputs `(("gcc", gcc-11)
+      ,@(package-inputs rdma-core)))
+
+ )
+)
+
+(define-public glicid-specific-libfabric-gcc-11
+(package
+    (inherit libfabric)
+    (name "glicid-specific-libfabric-gcc-11")
+    (version "1.12.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri
+        (string-append "https://github.com/ofiwg/libfabric/releases/download/v"
+                       version "/libfabric-" version ".tar.bz2"))
+       (sha256
+        (base32 "0b34p88w399jabdf77jpskxyv2j60nwxlsj3lyk9svjy9458wg6v"))))
+
+    (inputs `(("gcc", gcc-11)
+      ("rdma-core", glicid-specific-rdma-core-gcc-11)
+      ,@(package-inputs libfabric)))
+ )
+)
+
+(define-public glicid-specific-ucx-gcc-11
+ (package
+  (inherit ucx)
+  (name "glicid-specific-ucx-gcc-11")
+  (version "1.10.0")
+  (source 
+   (origin
+    (method url-fetch)
+    (uri (string-append "https://github.com/openucx/ucx/releases/download/v" version "/ucx-" version ".tar.gz" ))
+    (sha256 (base32 "0bdrbp86snq5z0y66zzxs7ig33g9h59kag11rc1lqwll3d5y51dq"))
+   ))
+
+  (inputs `(("gcc", gcc-11)
+            ("gfortran", gfortran-11)
+            ("libfabric", glicid-specific-libfabric-gcc-11)
+	    ("rdma-core",glicid-specific-rdma-core-gcc-11)
+
+                  ,@(package-inputs ucx)))
+  )
+)
+
+(define-public glicid-specific-ucx-gcc-10
+ (package
+  (inherit ucx)
+  (name "glicid-specific-ucx-gcc-10")
+  (version "1.9.0")
+  (source 
+   (origin
+    (method url-fetch)
+    (uri (string-append "https://github.com/openucx/ucx/releases/download/v" version "/ucx-" version ".tar.gz" ))
+    (sha256 (base32 "1yrmwvjxi3najax1wz4irpzxns6cp74ksdx4i1049mf03n2ci8m7"))
+   ))
+
+  (inputs `(("gcc", gcc-10)
+            ("gfortran", gfortran-10)
+            ("libfabric", glicid-specific-libfabric-gcc-11)
+            ("rdma-core",glicid-specific-rdma-core-gcc-11)
+
+                  ,@(package-inputs ucx)))
+  )
+)
+
+
+
+
+;;; glicid.scm ends here
diff --git a/glicid/packages/mpi.scm b/glicid/packages/mpi.scm
new file mode 100644
index 0000000..e916cd4
--- /dev/null
+++ b/glicid/packages/mpi.scm
@@ -0,0 +1,133 @@
+(define-module (glicid packages mpi)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix build-system cmake)
+;  #:use-module (guix licenses)
+  #:use-module (gnu packages gawk)
+  #:use-module (gnu packages gcc)
+  #:use-module (gnu packages commencement)
+  #:use-module (guix build-system python)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module ((guix utils) #:select (target-64bit?))
+  #:use-module (gnu packages)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages freeipmi)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages mpi)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages parallel)
+  #:use-module (gnu packages storage)
+  #:use-module (gnu packages networking)
+  #:use-module (gnu packages gtk)  
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages python-science)
+  #:use-module (gnu packages python-web)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages readline)
+  #:use-module (gnu packages tcl)
+  #:use-module (gnu packages tls)
+  #:use-module (gnu packages commencement)
+  #:use-module (gnu packages gcc)
+  #:use-module (gnu packages chemistry)
+  #:use-module (gnu packages sphinx)
+  #:use-module (srfi srfi-1)
+  #:use-module (gnu packages mpi)
+  #:use-module (gnu packages sssd)
+  #:use-module (gnu packages fabric-management)
+  #:use-module (gnu packages benchmark)
+  #:use-module (gnu packages messaging)
+  #:use-module (gnu packages web)
+  #:use-module (gnu packages gnome)
+  #:use-module (gnu packages cluster)  
+  #:use-module (gnu packages libevent)
+  #:use-module (gnu packages xorg)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages flex)
+  #:use-module (gnu packages bison)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages fontutils)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages maths)     
+  #:use-module (guix utils)
+  #:use-module (gnu packages cmake)
+  #:use-module  (gnu packages pretty-print)
+  #:use-module (gnu packages boost)
+  #:use-module (gnu packages curl)
+  #:use-module (gnu packages cryptsetup)
+  #:use-module (gnu packages xml)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages assembly)
+  #:use-module (gnu packages authentication)
+  #:use-module (gnu packages bdw-gc)
+  #:use-module (gnu packages boost) 
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages crypto)
+  #:use-module (gnu packages cryptsetup)
+  #:use-module (gnu packages curl)
+  #:use-module (gnu packages databases)
+  #:use-module (gnu packages disk)
+  #:use-module (gnu packages gperf)
+  #:use-module (gnu packages jemalloc)
+  #:use-module (gnu packages linux)   
+  #:use-module (gnu packages lua)     
+  #:use-module (gnu packages ncurses) 
+  #:use-module (gnu packages networking)
+  #:use-module (gnu packages nss)
+  #:use-module (gnu packages openldap)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages sphinx)
+  #:use-module (gnu packages tls)   
+  #:use-module (gnu packages web)   
+;;  #:use-module (gnu packages glicid)
+  #:use-module (gnu packages pretty-print)
+  #:use-module (gnu packages virtualization)
+
+
+
+)
+
+
+(define-public glicid-openmpi-gcc-11
+ (package
+  (inherit openmpi)
+  (name "glicid-openpmi-gcc-11")
+  (version "4.1.1")
+;    (source 
+;   (origin
+;    (method url-fetch)
+;    (uri (string-append "https://download.open-mpi.org/release/open-mpi/v4.1/openmpi-" version ".tar.gz"))
+;    (sha256 (base32 "02hlg2pgk1np78dqlplwd5qcgrrymy8s49ng4sdrscqmvp1ng112"))
+;   ))
+
+  (inputs `(("gcc-11", gcc-11)  
+            ("gfortran-11", gfortran-11)
+	    ("glicid-ucx-gcc-11",glicid-ucx-gcc-11)
+;;            ("glicid-rdma-core",glicid-rdma-core) ;;; segfault !!! 
+                  ,@(package-inputs openmpi)))
+  )
+)  
+
+
+(define-public glicid-specific-openmpi
+  (package
+    (inherit glicid-openmpi-gcc-11)
+    (name "glicid-specific-openmpi")
+      (inputs `(
+       ("gcc",gcc-11)
+       ("rdma-core",glicid-specific-rdma-core-gcc-11)
+       ("ucx",glicid-specific-ucx-gcc-10)
+       ("libfabric",glicid-specific-libfabric-gcc-11)
+;       ("slurm", glicid-specific-slurm)
+      ,@(package-inputs glicid-openmpi-gcc-11)))
+  )
+)
+