let's encrypt : create wirecard SSL certificates
reference document : 參考文章certbot certonly --manual --agree-tos -d "*.zhtw.com"&n...
作業系統 OS
debian 32bit ISO file download url
download debian 32bit iso file https://cdimage.debian.org/debian-cd/current/i386/iso-dvd/...
systemctl : display, enable/disable, start/stop
systemctl list-unit-files可以列出 service 的設定狀態...
ubuntu 20.10 reset user / root password
in my workstation hp z640, os version: ubuntu 20.10steps:1. power on workstation, press ESC >> show BIOS menu...
取代字串 sed -i "s/search/newstr/g" filename
sed -i "s/search/newstr/g" filename 在一個檔案中 取代字串 find . -type f -exec sed -i "s/search/newstr/...
目錄搜尋字串 grep -rn "searchstring" ./
grep -rn "searchstring" ./search all files under sub-direcotry and show line numbergrep&nb...
Proxy and Reverse Proxy
看了這個 yt https://www.youtube.com/watch?v=RXXRguaHZs0 以後才了解這兩個的不同Proxy : 是幫 client 去抓資料的服務。它可以增加 client 抓網頁的效率，也...
