Recently Updated Pages

系統管理技巧

完整複製 Home 目錄 由於 User 的 Home 目錄內有許多隱藏檔,若要完整複製它們,有兩個方法: 方法一:可以複製成一個新目錄 cd /home cp -a user1/ us...

Yum & Rpm

Yum 系統更新 yum repolist enabled 查詢所有可更新的套件 yum list updates 更新所有套件 yum update --disablere...

ssh

檢視連線參數的設定 $ ssh -F ~/.ssh/config -G remote-host-name user root hostname 173.82.136.138 port 2...

網路管理

ip # 顯示所有網卡資訊 ip addr ip a # 顯示所有網卡的 IP ip -br -c addr show # 需要較新版 ip # 顯示 eth0 網卡資訊 ...

基本指令操作

線上求助 man docker <command> man docker build man docker rmi 管理 Images ## 搜尋 Docker Hub ...

Phrases

Most importantly, you learn when and where to apply a particular technique. (最重要的是,你要學習...) le...

Learning Hadoop

TecMint Hadoop Tips How to Install Hadoop Single Node Cluster (Pseudonode) on CentOS 7 Best P...

FirewallD

Introduction FirewallD is frontend controller for iptables used to implement persistent network ...

OSS & Freeware

網站瀏覽統計分析 (Alternative to Google Analytics) Plausible Analytics Complete Guide to Self-hosting...

date

Shell 範例 # Sample today=$(date +%Y/%m/%d) NOW=`date "+%Y/%m/%d %H:%M:%S"` eval `date "+day=...

Learning PHP

Tutorials 函數 preg_match() 範例與技巧

AIX 管理技巧

資安相關指令 # Login Failed who /etc/security/failedlogin | tail -50 # Check the number of previou...

CentOS Kernel Upgrade

RedHat KB: CHAPTER 5. MANUALLY UPGRADING THE KERNEL Kernel Packages CentOS/RedHat Linux 與 kerne...

Q & A

ARP Cache 不會更新 問題說明:兩部相同規格的 Linux 主機,平時互作備援,網路設定各有一個固定 IP 與共用一個 VIP,VIP 使用 Alias IP 方式。每次移動 VIP ...

Learning Nginx

Hardening Nginx How to password protect directory with Nginx .htpasswd authentication

拾人牙慧

系統管理 ShellHub - ShellHub is a modern SSH server for remotely accessing Linux devices via comma...

FreePBX: fwconsole

Tutorials CLI Commands Help fwconsole help # lists all commands php /usr/sbin/fwconsol...

Grub2

RedHat/CentOS 7 設定檔: /etc/default/grub,通用設定 /etc/grub.d/40_custom,自訂內容 建立開機用的設定檔(請勿手動編輯) ...

Things to do after FreePBX installation

Set root's password for MySQL mysql_secure_installation Log File Rotation If this is not done ...

系統帳號管理

教學連結 How to Lock User Accounts After Failed Login Attempts Restrict SSH User Access to Certai...