Changes between Initial Version and Version 1 of Machinesetup

Timestamp:

03/27/23 14:54:15 (20 months ago)

Author:

ypap

Comment:

--

Machinesetup

@@ +1 @@
+== Machine Setup ==
+
+1.  Install Ubuntu or Debian - prefer the server version of your chosen Ubuntu or Debian LTS distro
+
+2.  Change root password
+{{{
+cslab@machine:~$ sudo su
+root@machine:~# passwd
+}}}
+
+3.  Remove swap
+{{{
+root@machine:~# swapoff -a
+root@machine:~# rm -v /swap.img
+}}}
+
+4.  Connect the NFS (nemesis is down (3.3), comment it out)
+{{{
+root@machine:~# vim /etc/fstab: 
+                # swap -> comment-out
+                147.102.4.1:/home       /home   nfs     defaults        0       0
+                147.102.4.1:/various    /various        nfs     defaults,nolock 0       0
+                #147.102.3.3:/store/cluster_data        /risky_store    nfs     nfsvers=3,nolock        0       0
+}}}
+
+5.  Determine users, passwords, groups
+{{{
+root@machine:~# vim /etc/nsswitch.conf
+                at passwd, group, shadow add: files nis
+}}}
+
+6.  Test if the previous step was successful
+{{{
+root@machine:~# yptest (must read the config)
+root@machine:~# id ypap (must return user)
+root@machine:~# ps -ef | grep yp (ypbind.service must be running)
+}}}
+  If not running:
+{{{
+root@machine:~# systemctl restart ypbind
+root@machine:~# systemctl list-unit-files | grep yp
+}}}
+
+7.  Root users enter without password
+{{{
+root@machine:~# vim /etc/ssh/sshd_config
+                PasswordAuthentication no
+}}}
+
+8.  Connection fix
+{{{
+root@machine:~# vim /lib/systemd/system/systemd-{logind, udevd}.service # comment-out IPAddressDeny=any
+root@machine:~# systemctl daemon-reload
+root@machine:~# systemctl restart systemctl-logind
+root@machine:~# systemctl restart systemctl-udevd
+}}}