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พื้นที่ลงโฆษณา

Thin Client Server

พื้นที่ลงโฆษณา

Linux Authentication

พื้นที่ลงโฆษณา

SSH Key Authentication

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Written by Mr. Sontaya Photibut Saturday, 02 May 2009 16:52

การสร้าง Public SSH Key Authentication

หลายคนไม่เข้าใจว่าสร้างทำไม เพื่ออะไรจริงแล้วประโยชน์ของการส้าง SSH Key ก็เพื่อใช้ในการตรวจสอบผู้ใช้งาน ปกติเรา ssh เข้าเครื่อง Server เราจะใส่รหัสผ่าน ก่อนเข้า แต่ถ้าเราสร้าง SSH Key Authentication แล้วระบบจะไม่ถามรหัสผ่าน root

3. ทำการ Copy ไฟล์ SSH Key ไปไว้ที่เครื่อง Server ปลายทางคือ  192.168.11.204#scp /home/backup/.ssh/id_rsa.pub  192.168.11.204:/home/backup/.ssh/authorized_keys

4. สร้าง Script ไฟล์สำหรับ backup # vi /home/backup/backup-remote.sh

Copy ไฟล์ทั้งหมดที่อยู่ใน Folder /home/ ไปไว้ที่เครื่อง 192.168.11.204 Partition /backup


login user "backup" 192.168.11.204


คุณก็จะเห็นไฟล์ที่ Copy มา


* * * /home/backup/backup-remote.sh

สำหรับผู้ใช้ root เท่านั้น

#ssh-keygen -t rsa#scp /root/.ssh/id_rsa.pub  192.168.11.204:/root/.ssh/authorized_keys
การ Deleting SSH-Agent Keys


b) คำสั่งลบเฉพาะไฟล์คีย์ที่ต้องการ$ ssh-add -d key


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