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debian-add-user.sh

@@ -1,18 +1,12 @@
 echo "Usage: setup.sh [USER]"
 echo "Example: setup.sh alice"
 
-if [ v$1 != v ]
+NewUser=$1
-then
+while [ ! "$NewUser" ]
-  NewUser=$1
+do
-else
+echo "=== To add a new user of name:"
-  echo "=== Enter new <<UserName>> (leave blank for default 'adot'):"
+read -p ">>> " NewUser
-  read -p ">>> " NewUser
+done
-  if [ ! $NewUser ]
-  then
-    echo Use default new user: adot
-    NewUser=adot
-  fi
-fi
 
 echo "=== Add a new user $NewUser"
 useradd $NewUser
@@ -28,7 +22,7 @@ sed -i "s|/home/$NewUser:/bin/sh$|/home/$NewUser:/bin/bash|g" /etc/passwd
 # Debian 9 default to empty
 sed -i "s|/home/$NewUser:$|/home/$NewUser:/bin/bash|g" /etc/passwd
 
-echo "=== Allow the new user $NewUser to sudo without password? <y> for yes, <<anything else>> for no"
+echo "=== Allow the new user $NewUser to sudo without password? <y> for yes, <anything else> for no"
 read -p ">>> " AllowSudo
 if [ "$AllowSudo" == "y" ]
 then
@@ -41,16 +35,11 @@ else
 fi
 echo
 
-if [ $NewUser = 'adot' ]
+echo "=== Configure $NewUser home with standard scripts? <y> for yes, <anything else> for no"
+read -p ">>> " ConfigHome
+if [ "$ConfigHome" == 'y' ]
 then
   source /faronear/fon/sysconfig/home-config.sh /faronear/fon/sysconfig/nixhome $NewUser
 else
-  echo "=== Configure $NewUser home with standard scripts? <y> for yes, <<anything else>> for no"
+  echo "--- Nothing configured."
-  read -p ">>> " ConfigHome
-  if [ $ConfigHome ] && [ $ConfigHome = 'y' ]
-  then
-    source /faronear/fon/sysconfig/home-config.sh /faronear/fon/sysconfig/nixhome $NewUser
-  else
-    echo "--- Nothing configured."
-  fi
 fi

debian-config.sh

@@ -2,6 +2,7 @@
 
 echo "Usage: this.sh [NewUser]"
 echo "Example: this.sh alice"
+echo " curl https://git.faronear.org/fon/sysconfig/raw/branch/main/debian-config.sh | bash"
 
 if [ v$1 != v ]
 then
@@ -62,14 +63,14 @@ sed -i "s|^PermitRootLogin yes|#PermitRootLogin yes|g" /etc/ssh/sshd_config
 service sshd restart
 echo
 
-echo "=== Set <<hostname>> or leave blank for no change"
+echo "=== Set <hostname> or <leave blank> for no change"
 read -p ">>> " NewHostname
 if [ $NewHostname ]
 then
+  sed -i "s|\b`hostname`\b|$NewHostname|g" /etc/hosts # echo "127.0.0.1 $NewHostname" >> /etc/hosts
   hostnamectl set-hostname $NewHostname
-  echo "127.0.0.1 $NewHostname" >> /etc/hosts
 else
-  echo 'Nothing changed >>>'
+  echo 'Nothing changed.'
 fi
 echo
 
@@ -95,7 +96,7 @@ echo "=== Add a new user $NewUser"
 source /faronear/fon/sysconfig/debian-add-user.sh $NewUser
 echo
 
-echo "=== Enable xfce autologin [/etc/lightdm/lightdm.conf] as user <$NewUser> for autologin or <<anything else>> for no change):"
+echo "=== Enable xfce autologin [/etc/lightdm/lightdm.conf] as user <$NewUser> for autologin or <anything else> for no change):"
 read -p ">>> " XfceAutologinUsername
 if [ $XfceAutologinUsername = $NewUser ]
 then
@@ -103,8 +104,8 @@ then
   sed -i "s/^.*autologin-user-timeout=.*$/autologin-user-timeout=0/g" /etc/lightdm/lightdm.conf
   echo "Successfully configured autologin as $NewUser"
 else
-  echo 'Nothing changed >>>'
+  echo 'Nothing changed.'
 fi
 echo
 
-echo "=== Debian System Setup Completed >>>"
+echo "=== Debian System Setup Completed."

expect-ssh2server.sh

@@ -39,22 +39,22 @@ then
   read -p "Enter root password (YU) >>" PWD_ROOT
   expect ~/faronear/fon/sysconfig/expect-ssh.sh $targetUrl adot $PWD_ADOT $PWD_ADOT
 else
-  while [ ! $HOST ]
+  while [ "$HOST" ]
   do
   read -p "host = " HOST
   done
 
-  while [ ! $USER ]
+  while [ "$USER" ]
   do
     read -p "user = " USER
   done
   
-  while [ ! $PWD_USER ]
+  while [ "$PWD_USER" ]
   do
     read -p "user password = " PWD_USER
   done
 
-  while [ ! $PWD_SU ]
+  while [ "$PWD_SU" ]
   do
     read -p "root password = " ROOT_SU
   done

home-config.sh

@@ -31,7 +31,7 @@ else
   fi
 fi
 
-
+# $2 应当为用户名。为空则默认是 root
 if [ "$2" ]
 then
   HomePath=/home/$2
@@ -39,12 +39,12 @@ else
   HomePath=~
 fi
 
-if [ -d $HomePath ]
+if [ -d "$HomePath" ]
 then
   pushd $HomePath
   homescriptlist=".emacs .emacs.lisp .bashrc .bash_profile .gitignore"
   echo
-  echo "=== Copy or link scripts? <l> for link, <<anything else>> for copy:"
+  echo "=== Copy or link scripts? <l> for link, <anything else> for copy:"
   read -p ">>> " CopyOrLinkScripts
   for homescript in $homescriptlist
   do
@@ -59,31 +59,36 @@ then
     fi
   done
   echo
-  echo "=== Append or link or omit [.ssh/authorized_keys] to config ssh server? <a> for append, <l> for link, <<anything else>> for omit:"
-  read -p ">>> " CopyOrLinkOrOmitAuthorizedKeys
 
-  mkdir -p $HomePath/.ssh
+  if [ $2 ] # 如果 $2 不存在，则默认为是 root 用户，不需要设置 .ssh
-  chmod 700 $HomePath/.ssh
+  then 
-  if [ "$2" ] # 注意，由 root 为新用户创建的配置文件的 owner 是 root，而不是新用户，导致新用户无法读取该文件而密钥登录失败，因此要重设 owner。
+
-  then
+    mkdir -p $HomePath/.ssh
+    chmod 700 $HomePath/.ssh
+    # 注意，由 root 为新用户创建的配置文件的 owner 是 root，而不是新用户，导致新用户无法读取该文件而密钥登录失败，因此要重设 owner。
     chown $2:$2 $HomePath
-  fi
+    if [ -e '$HomePath/.ssh/authorized_keys' ]
-  if [ -e '$HomePath/.ssh/authorized_keys' ]
+    then
-  then
+      mv $HomePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys.backup-$(date +%Y%m%d%H%M%S)
-    mv $HomePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys.backup-$(date +%Y%m%d%H%M%S)
+    fi
+
+    echo "=== Append or link or omit [.ssh/authorized_keys] to config ssh server? <a> for append, <l> for link, <<anything else>> for omit:"
+    read -p ">>> " CopyOrLinkOrOmitAuthorizedKeys
+
+    if [ "$CopyOrLinkOrOmitAuthorizedKeys" = 'l' ]
+    then
+      echo "--- Linking $SourcePath/authorized_keys to $HomePath/.ssh/authorized_keys ..."
+      ln -s $SourcePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys
+    elif [ "$CopyOrLinkOrOmitAuthorizedKeys" = 'a' ]
+    then
+      echo "--- Copying $SourcePath/authorized_keys to $HomePath/.ssh/authorized_keys ..."
+      cat $SourcePath/.ssh/authorized_keys >> $HomePath/.ssh/authorized_keys
+      chmod 600 $HomePath/.ssh/authorized_keys
+    fi
+    echo
+
   fi
 
-  if [ "$CopyOrLinkOrOmitAuthorizedKeys" = 'l' ]
-  then
-    echo "--- Linking $SourcePath/authorized_keys to $HomePath/.ssh/authorized_keys ..."
-    ln -s $SourcePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys
-  elif [ "$CopyOrLinkOrOmitAuthorizedKeys" = 'a' ]
-  then
-    echo "--- Copying $SourcePath/authorized_keys to $HomePath/.ssh/authorized_keys ..."
-    cat $SourcePath/.ssh/authorized_keys >> $HomePath/.ssh/authorized_keys
-    chmod 600 $HomePath/.ssh/authorized_keys
-  fi
-  echo
   popd
 else
   echo "!!! Not existing $HomePath, please try again."

rename-host.sh

@@ -8,11 +8,9 @@ fi
 
 if [ $NewHostname ]
 then
-  OldHostname=`hostname`
   hostnamectl set-hostname $NewHostname
-  sed -i "s|\b$OldHostname\b|$NewHostname|g" /etc/hosts
+  sed -i "s|\b$`hostname`\b|$NewHostname|g" /etc/hosts # echo "127.0.0.1 $NewHostname" >> /etc/hosts
-  # echo "127.0.0.1 $NewHostname" >> /etc/hosts
 else
   echo 'Nothing changed >>>'
 fi
-echo
+echo