putty : auto login by rsa-key Hint!

"C:\Program Files\PuTTY\puttygen.exe" > [Generate] Click   mouse move randomly !   Edit [Key-comment] properly ! Key Passphrase : xxxx (what ever you want) Public key form pasting into OpenSSH authorised_keys : Drag & Copy, Send to Server Manager   [Save public key] & [Save private key] Click   ------------------------------------------- Putty.exe > Load & Add Configuration […]

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CentOS 7 : firewalld services port change Hint

cp /usr/lib/firewalld/services/ssh.xml /etc/firewalld/services/ vi /etc/firewalld/services/ssh.xml <?xml version="1.0" encoding="utf-8"?> <service>   <short>SSH</short>   <description>Secure Shell (SSH) is a protocol for logging into and executing commands on remote machines. It provides secure encrypted communications. If you plan on accessing your machine remotely via SSH over a firewalled interface, enable this option. You need the openssh-server package installed […]

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Toad for oracle over ssh with putty Hint

Download & Install putty https://www.putty.org/   Putty Configuration Connection > SSH > Tunnels  Check [Local ports ....] Check [Remote ports ....] Source Port : 15219 Destination : yourdb.server.com:1521 Click [Add] Do not click Open button, You must save this configure...   Session : Input your Host, ssh Port, Saved Session name, and Click [Save]   […]

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CentOS 7 : yum local.repos by cdrom Hint

  mkdir /mnt/cdrom   mount /dev/cdrom /mnt/cdrom   mkdir /etc/yum.repos.d/org mv /etc/yum.repos.d/CentOS-* /etc/yum.repos.d/org/   vi /etc/yum.repos.d/local.repo [local-repo] name=Local Repository baseurl=file:///mnt/cdrom/ enabled=1 gpgcheck=0   ========================= append IOS file mount for update local repos   mkdir -p /mnt/CentOS7-1908 mount -o loop /R1D1TB1/install/CentOS-7-x86_64-DVD-1908.iso /mnt/CentOS7-1908 vi /etc/yum.repos.d/local.repo  [local-repo] name=Local Repository baseurl=file:///mnt/cdrom/ enabled=1 gpgcheck=0   [local-CentOS7-1908] name=Local Repository CentOS7-1908 baseurl=file:///mnt/CentOS7-1908 enabled=1 gpgcheck=0 […]

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