ubuntu 20.04 install nvidia driver / CUDA / postgresql / pg_strom
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筆記
[筆記] 在 ubuntu 20.04 底下，用certbot 透過Cloudflare 申請全域的 Letsencrypt 憑證
![Featured image of post [筆記] 在 ubuntu 20.04 底下，用certbot 透過Cloudflare 申請全域的 Letsencrypt 憑證](https://h.cowbay.org/images/post-default-4.jpg)
[筆記] 在 ubuntu 20.04 上安裝 wireguard + pihole 作 AD Blocking/install wireguard and pihole to do ad block in ubuntu 20.04
![Featured image of post [筆記] 在 ubuntu 20.04 上安裝 wireguard + pihole 作 AD Blocking/install wireguard and pihole to do ad block in ubuntu 20.04](https://h.cowbay.org/images/post-default-16.jpg)
[筆記] 在openwrt 中檢查網路埠的連接速度/ Check Port Speed in Openwrt
![Featured image of post [筆記] 在openwrt 中檢查網路埠的連接速度/ Check Port Speed in Openwrt](https://h.cowbay.org/images/post-default-10.jpg)
[筆記] Debian Buster 伺服器被入侵了！/ Debian Buster Server Been Hacked
![Featured image of post [筆記] Debian Buster 伺服器被入侵了！/ Debian Buster Server Been Hacked](https://h.cowbay.org/images/post-default-14.jpg)
Ubuntu 18.04 Kernel 4.15.0-106 Unable to Start Wireguard Interface
[筆記] ubuntu 18.04 preseeds
[筆記] 在 Ubuntu 1404 Preseed 加入開機後自動發郵件通知安裝完成
![Featured image of post [筆記] 在 Ubuntu 1404 Preseed 加入開機後自動發郵件通知安裝完成](https://h.cowbay.org/images/post-default-5.jpg)