From 6a1d01d22866238ab1246a8250b1ff4ebbeb2dc1 Mon Sep 17 00:00:00 2001
From: Eric Kooistra <kooistra@astron.nl>
Date: Fri, 14 Aug 2020 17:01:14 +0200
Subject: [PATCH] Added linux owner rights commands.
---
.../doc/prestudy/desp_howtools_erko.txt | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/applications/lofar2/doc/prestudy/desp_howtools_erko.txt b/applications/lofar2/doc/prestudy/desp_howtools_erko.txt
index a05dd8bac3..54b7f43520 100755
--- a/applications/lofar2/doc/prestudy/desp_howtools_erko.txt
+++ b/applications/lofar2/doc/prestudy/desp_howtools_erko.txt
@@ -417,6 +417,9 @@ Host *
Host astron
User kooistra
HostName portal.astron.nl
+Host dop386
+ User kooistra
+ ProxyCommand ssh -q -A astron netcat 10.87.0.228 22
Host dop428
User hiemstra
ProxyCommand ssh -q -A astron netcat 10.87.0.228 22
@@ -613,6 +616,8 @@ Quartus version meeting minutes 13 may 2020 (RW, LH JH, EK):
* Linux
*******************************************************************************
+https://linuxize.com/
+
dop466 = SSD
dop466_0 = HDD
@@ -630,3 +635,17 @@ apt-get upgrade
apt-get dist-upgrade
apt remove
+# primary group
+# supplementary groups
+
+groups kooistra # lists in which Linux groups I am a member of
+id kooistra # lists in which Linux groups I am a member of
+getent group sudo # lists which users are in the sudo Linux group
+more /etc/group
+sudo groupadd software # add new Linux group 'software'
+sudo usermod -a -G software kooistra # add user 'kooistra' to a Linux group 'software'
+
+ls -l filename # shows current user,group owners of the 'filename'
+sudo chgrp software filename # change group of 'filename' to 'software'
+sudo chgrp -R software dirname # recursively change group of 'dirname' to 'software'
+#chown # change user,group
--
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