How to Compile and Install OpenSSH from Source in Linux

ME=`/usr/bin/whoami`
HST1=`uname -n`
CheckID2() {
if [ "$ME" != root ]; then
zenity --width="400" --error \
--text="SU ROOT ONLY: $ME Sudo RootUser Operator Only: $HST1" 2>/dev/null
echo -e "Cmdline Requirez: sudo su - ; Privileges Only: -tdk-"
read junk
exit 1
else

clear
zenity --width="400" --info --text="Operator Root: Amigo-Right!:" 2>/dev/null
tput cup 10 28
echo -e "Root Level Achieved: -TDK-"
read junk
fi
}
CheckID2

PreLym() {
#echo -e "SetUp Dirs Perms Owner group add and user set
#-----# setup ssh dirs Part 1
sudo mkdir /var/empty
chmod -R 755 /var/empty
sudo chown -R root:sys /var/empty
#-----# setup ssh dirs Part 2
sudo mkdir /var/lib/sshd
sudo chmod -R 700 /var/lib/sshd
sudo chown -R root:sys /var/lib/sshd/
#-----# setup group add
groupadd sshd
useradd -g sshd -c 'sshd privsep' -d /var/empty -s /bin/false sshd
#-----# setup fake user creds
sudo useradd -r -U -d /var/lib/sshd/ -c "sshd privsep" -s /bin/false sshd
sudo apt update
#-----# HERE IT IS Start : basics Go
sudo apt install gcc-7-base -y
sudo apt install gcc-7-cross-base -y
sudo apt install gcc-7-cross-base-ports -y
sudo apt install gcc-8 -y
sudo apt install gcc-8-base -y
sudo apt install gcc-8-cross-base -y
sudo apt install build-essential -y
sudo apt install ekeyd-egd-linux -y
sudo apt install zlib1g-dev -y
sudo apt install libssl-dev -y
#-----# Do It all from here
}

PreLym
#---------------------------------------------------------------------------------------------------------
# this shud help automagic the process - the read junks provide interactive step procedure -
# having a Check last cmd exit status is a bonus to just watching it all happen after execution.

ChkZero() {
if [ $? = 0 ]; then
echo -e "Compile Step Success-NextStep Proceeding Patience"
# read junk
else
echo -e "cmdLine wasNOT successful ERRORED....ERROR.....ERROR......ERROR......ERROR.....!"
# read junk
fi
}

echo -e "See This: PreLiminary works all prepared and ready to ZoomUp All Security Compile and Updates -tdk-"
ChkZero
#---------------------------------------------------------------------------------------------------------
cd /myDwn/newSoft/zlib-1.2.11
pwd
echo -e "PWD The HERE: /myDwn/newSoft/zlib-1.2.11 directory and at last install to latest version ssh -tdk-"
echo -e "Make Sure we are in Each Step Directory Prior to smacking the Enter AnyKey Pls -tdk- To go for it! -- yes This IS REAL .....!"
read junk
./configure
echo -e "Zlib-1.2.11 installing Steps: -tdk- configure complete"
ChkZero

make test
echo -e "Make TEST for Zlib-1.2.11 process installing full scratch compile"
ChkZero

make install
echo -e "Check Zero shows run okay -tdk- to Install Openssl-1.1.1a Next:"
#---------------------------------------------------------------------------------------------------------
ChkZero
cd /myDwn/newSoft/openssl-1.1.1a
pwd
echo -e "PWD The HERE: /myDwn/newSoft/openssl-1.1.1a directory and at last install to latest version ssh -tdk-"
echo -e "Make Sure we are in Each Step Directory Prior to smacking the Enter AnyKey Pls -tdk- To go for it!"

echo -e "Ready to install open-ssl layer now -tdk-"
ChkZero

make clean
dd if=/usr/bin/rand of=seed1 bs=1021M count=2041
dd if=/usr/bin/rand of=seed2 bs=98304 count=1023
dd if=/usr/bin/rand of=seed3 bs=294912 count=2048

./config -v --prefix=/opt/openssl --openssldir=/usr/local/ssl -Wl --enable-new-dtags --with-rand-seed=seed1,seed2,seed3 --with-zlib-include=/
usr/local/include --with-zlib-lib=/usr/local/lib --no-Protocol1-method --no-dsa --no-ecdsa --enable-egd --zlib

make
make test
make install
echo -e "Last Step openssh-8.0p1 Compile-Install"
ChkZero
#---------------------------------------------------------------------------------------------------------
cd /myDwn/newSoft/openssh-8.0p1
pwd
echo -e "PWD The HERE: /myDwn/newSoft/openssh-8.0p1 directory and at last install to latest version ssh -tdk-"
make clean
echo -e "Make Clean Done -CantHurt but- Ready Go Configure -tdk-"
ChkZero
clear
./configure --prefix=/usr --with-md5-passwords --with-privsep-path=/var/empty --with-ssl-dir=/opt/openssl/include/openssl --with-ssl-engine -
-sysconfdir=/etc/ssh
echo -e "\nINTENSE: - Executing NOW! -tdk-"
ChkZero
make
make install
echo -e "\nAll Compiling Completed: The End - zLib openSSL and openSSH-8.0p1 now Installed - next ssh -V to check version Ref\n"
read junk