diff --git a/a/ANSYS/ANSYS-2022R2-intel-2022a.eb b/a/ANSYS/ANSYS-2022R2-intel-2022a.eb
index da485402..b374636d 100644
--- a/a/ANSYS/ANSYS-2022R2-intel-2022a.eb
+++ b/a/ANSYS/ANSYS-2022R2-intel-2022a.eb
@@ -23,10 +23,10 @@ checksums = [
     {'ANSYS2022R2_LINX64_Disk3.iso': '58d4b72e90a27fe11aee3cd7db251ecd1f80b2353441e7061543c0fc21c14dac'},
 ]
 
-dependencies = [
-   ('libGLU', '9.0.2'),
-   ('libnsl', '2.0.0'),
-]
+#dependencies = [
+#   ('libGLU', '9.0.2'), # mame v systemu, pro jistotu zkusime bez protoze stary CentOS
+#   ('libnsl', '2.0.0'), # moc nove pro CentOS 7!!!
+#]
 
 osdependencies = [('p7zip', 'p7zip-plugins')]
 
diff --git a/a/ANSYS/ANSYS-2023R1-intel-2022a-test.eb b/a/ANSYS/ANSYS-2023R1-intel-2022a-test.eb
new file mode 100644
index 00000000..1e287552
--- /dev/null
+++ b/a/ANSYS/ANSYS-2023R1-intel-2022a-test.eb
@@ -0,0 +1,37 @@
+# IT4Innovations 2023
+# JK
+
+name = 'ANSYS'
+version = '2023R1'
+versionsuffix = '-test'
+
+homepage = 'http://www.ansys.com'
+description = """ANSYS simulation software enables organizations to confidently predict
+ how their products will operate in the real world. We believe that every product is
+ a promise of something greater. """
+
+toolchain = {'name': 'intel', 'version': '2022a'}
+
+sources = [
+    {'filename': '%(name)s%(version)s_LINX64_DISK1.iso', 'extract_cmd': '7z x -aos %s'},
+    {'filename': '%(name)s%(version)s_LINX64_DISK2.iso', 'extract_cmd': '7z x -aos %s'},
+    {'filename': '%(name)s%(version)s_LINX64_DISK3.iso', 'extract_cmd': '7z x -aos %s'},
+]
+checksums = [
+    {'ANSYS2023R1_LINX64_DISK1.iso': 'fa3f75c1fa14ae7cf2da56e9912151b4'},
+    {'ANSYS2023R1_LINX64_DISK2.iso': '7cd1c490aeeeede3b8651c747002e4f2'},
+    {'ANSYS2023R1_LINX64_DISK3.iso': '677341a8fd5cb45535115345c7dd55b9'},
+]
+
+#dependencies = [
+#   ('libGLU', '9.0.2'), # mame v systemu, pro jistotu zkusime bez protoze stary CentOS
+#   ('libnsl', '2.0.0'), # moc nove pro CentOS 7!!!
+#]
+
+osdependencies = [('p7zip', 'p7zip-plugins')]
+
+import os
+license_server = os.getenv('EB_ANSYS_LICENSE_SERVER', '10.5.8.13')
+license_server_port = os.getenv('EB_ANSYS_LICENSE_SERVER_PORT', '2325:1055')
+
+moduleclass = 'tools'
diff --git a/a/ANSYS/ANSYS-2023R1-intel-2022a.eb b/a/ANSYS/ANSYS-2023R1-intel-2022a.eb
index c9f816ef..1b7cb050 100644
--- a/a/ANSYS/ANSYS-2023R1-intel-2022a.eb
+++ b/a/ANSYS/ANSYS-2023R1-intel-2022a.eb
@@ -22,15 +22,15 @@ checksums = [
     {'ANSYS2023R1_LINX64_DISK3.iso': '677341a8fd5cb45535115345c7dd55b9'},
 ]
 
-dependencies = [
-   ('libGLU', '9.0.2'),
-   ('libnsl', '2.0.0'),
-]
+#dependencies = [
+#   ('libGLU', '9.0.2'), # mame v systemu, pro jistotu zkusime bez protoze stary CentOS
+#   ('libnsl', '2.0.0'), # moc nove pro CentOS 7!!!
+#]
 
 osdependencies = [('p7zip', 'p7zip-plugins')]
 
 import os
-license_server = os.getenv('EB_ANSYS_LICENSE_SERVER', 'license2021.it4i.cz')
+license_server = os.getenv('EB_ANSYS_LICENSE_SERVER', '10.5.8.13')
 license_server_port = os.getenv('EB_ANSYS_LICENSE_SERVER_PORT', '2325:1055')
 
 moduleclass = 'tools'
diff --git a/a/ANSYS/ANSYS-22.2-intel-2022a-test.eb b/a/ANSYS/ANSYS-21.2-intel-2020b-test.eb
similarity index 69%
rename from a/ANSYS/ANSYS-22.2-intel-2022a-test.eb
rename to a/ANSYS/ANSYS-21.2-intel-2020b-test.eb
index 1fc31552..5867f93e 100644
--- a/a/ANSYS/ANSYS-22.2-intel-2022a-test.eb
+++ b/a/ANSYS/ANSYS-21.2-intel-2020b-test.eb
@@ -1,8 +1,8 @@
-# IT4Innovations 2023
-# JK LK
+# IT4Innovations
+# LK JK 2021
 
 name = 'ANSYS'
-version = '22.2'
+version = '21.2'
 versionsuffix = '-test'
 
 homepage = 'http://www.ansys.com'
@@ -10,16 +10,16 @@ description = """ANSYS simulation software enables organizations to confidently
     how their products will operate in the real world. We believe that every product is
     a promise of something greater. """
 
-toolchain = {'name': 'intel', 'version': '2022a'}
+toolchain = {'name': 'intel', 'version': '2020b'}
 
 # create a zip file from the 3 install iso files.
 # make sure all files of the iso's are in the same directory.
-sources = ['ANSYS-22.2.tar.gz']
-checksums = ['51bf1ef35347b00d61675911095c0d65c1571d8d30782c14e320ec545e9cf0a7']
+sources = ['ansys-%(version)s.tar.gz']
+checksums = ['4edfa5076700f85ccca2e0618b921738f5c5023c6c575625d7892584498fab88']
 
 dependencies = [
-   ('libGLU', '9.0.2'),
-   ('libnsl', '2.0.0'),
+   ('libGLU', '9.0.1'),
+   ('libnsl', '1.3.0'),
 ]
 
 import os
diff --git a/a/ANSYS/ANSYS-22.1-intel-2020b.eb b/a/ANSYS/ANSYS-22.1-intel-2020b.eb
index 88e5b4d5..811a2360 100644
--- a/a/ANSYS/ANSYS-22.1-intel-2020b.eb
+++ b/a/ANSYS/ANSYS-22.1-intel-2020b.eb
@@ -18,7 +18,7 @@ checksums = ['94d4700c66189a774f9b06b0e7a89e64']
 
 dependencies = [
    ('libGLU', '9.0.1'),
-   ('libnsl', '1.3.0'),
+#   ('libnsl', '1.3.0'), # moc nove pro CentOS 7!!!
 ]
 
 import os
diff --git a/a/ANSYS/ANSYS-22.2-intel-2020b-electronics.eb b/a/ANSYS/ANSYS-22.2-intel-2020b-electronics.eb
index ada41020..4f76573a 100644
--- a/a/ANSYS/ANSYS-22.2-intel-2020b-electronics.eb
+++ b/a/ANSYS/ANSYS-22.2-intel-2020b-electronics.eb
@@ -19,7 +19,7 @@ checksums = ['2f245229a5823dbcc606dd77393d8f40771a00eb0b9ae22d481507ee10784b6a']
 
 dependencies = [
    ('libGLU', '9.0.1'),
-   ('libnsl', '1.3.0'),
+#   ('libnsl', '1.3.0'), # moc nove pro CentOS 7!!!
 ]
 
 postinstallcmds = ['./install -silent -install_dir %(installdir)s -licserverinfo 2325:1055:10.5.8.13']
diff --git a/a/ANSYS/ANSYS-22.2-intel-2020b.eb b/a/ANSYS/ANSYS-22.2-intel-2020b.eb
index 56519f7a..9e2bf1f4 100644
--- a/a/ANSYS/ANSYS-22.2-intel-2020b.eb
+++ b/a/ANSYS/ANSYS-22.2-intel-2020b.eb
@@ -18,7 +18,7 @@ checksums = ['51bf1ef35347b00d61675911095c0d65c1571d8d30782c14e320ec545e9cf0a7']
 
 dependencies = [
    ('libGLU', '9.0.1'),
-   ('libnsl', '1.3.0'),
+#   ('libnsl', '1.3.0'), # moc nove pro CentOS 7!!!
 ]
 
 import os