Differences

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--- computers:server_basic_setup [2020/08/16 00:11] – [Network] chkuo
+++ computers:server_basic_setup [2023/10/27 16:54] (current) – hychang
@@ Line 3: / Line 3: @@
 ===== RAID =====
   * high-reliability servers (firewall, DHCP, web, etc)
-    * 4 drives: RAID 1 (* 2), hot spare * 1, cold spare *1
+    * 4 drives: RAID 1 (* 2), hot spare * 1, cold spare * 1
   * computational servers
     * RAID 10, hot spare * 1 or 2
@@ Line 20: / Line 20: @@
 # Zero Configuration Networking (Zeroconf)
 $ sudo apt install avahi-daemon
+# in case the avahi-daemon does not work after reboot, log-in using ip address and restart
+$ sudo service avahi-daemon restart
 # remove all unused packages
@@ Line 52: / Line 55: @@
   * after updating the config file, execute ''sudo netplan try'' to validate, then ''sudo netplan apply'' to apply
   * to check the network info: ''ip a''
+  * note: for Ubuntu 16.04 and earlier versions; edit ''/etc/network/interfaces''
@@ Line 114: / Line 120: @@
 <code bash>
 $ sudo deluser username groupname
+</code>
+==== Change username and home directory====
+<code bash>
+$ sudo usermod -l new_username old_username
+$ sudo usermod -d /home/new_username -m new_username
 </code>
@@ Line 131: / Line 143: @@
 $ sudo deluser username
 $ sudo delgroup groupname
+</code>
+==== Create scratch directory and storage====
+Run the shell script make_work_dir, which had written by Dr. Kuo.
+<code bash>
+$ sudo /home/chkuo/bin/make_work_dir username
 </code>