Skip to main content

Recently Updated Pages

管理與操作

SHELL

基本操作 查出目前使用哪種 SHELL ps -p $$ echo $0 echo $SHELL 執行 SHELL 的方式 sh file . file source file...

Updated 3 weeks ago by Admin

Q & A

Linux Administration

NFS 遠端目錄無法卸載 Umount a NFS directory with the error: device is busy 當遭遇某些異常情況時,原先的 NFS 目錄可能無...

Updated 4 weeks ago by Admin

系統管理技巧

Linux Administration

Home 目錄 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 ...

Updated 4 weeks ago by Admin

FirewallD

Linux Administration

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

Updated 4 weeks ago by Admin

Systemd

Linux Administration

簡介 Linux 的各項服務管理一直都是用 SysV Init Script,Systemd 是新的管理工具,在 CentOS 7 開始已經有支援。 設定上比 SysV Init 簡單許多,...

Updated 4 weeks ago by Admin

Yum/Dnf & Rpm

Linux Administration Red Hat Subscription Manager

yum/dnf 套件庫管裡 # 已啟用的套件庫清單 dnf repolist enabled # 列出所有的套件庫包含 disabled 與 enabled dnf repolis...

Updated 1 month ago by Admin

DNS Online Tools

Linux Administration DNS

DNS Check DNS Check DNSChecker Google Admin Toolbox Dig Google Admin Toolbox Check MX Nslo...

Updated 1 month ago by Admin

Job Interview

Learning English

Words In-person interview 面談 Phone screen 電話篩選 Hiring manager 人事經理 Recruiter 招募(聘)人員 Emplo...

Updated 1 month ago by Admin

SELinux

Linux Administration

安全增強式 Security-Enhanced Linux(SELinux)是一個在內核中實踐的強制存取控制(MAC)安全性機制。SELinux 首先在 CentOS 4 出現,並在其後的 Ce...

Updated 1 month ago by Admin

Rsyslog

Linux Administration

Tutorials Remote Syslogging with rsyslog on Red Hat Enterprise Linux - Red Hat Customer Portal...

Updated 1 month ago by Admin

Kernel parameters

IBM DB2 Database

DB2 v11 /etc/sysctl.d/01-db2.conf: # For DB2 server with 30 GB RAM # - Get the RAM size by fol...

Updated 1 month ago by Admin

Learning 拾人牙慧

Linux Administration

系統管理  Core Dump Creating and debugging Linux dump files [gdb] GDB debugging tutorial for b...

Updated 1 month ago by Admin

Rsync

Linux Administration

限制頻寬 限制傳檔的網路頻寬 --bwlimit=30000 30000 = 30000 KB/ps = 30 MB/ps Dry Run rsync -avh -n <sou...

Updated 1 month ago by Admin

Cybersecurity Tools

Cybersecurity

Websites 10 Top Open Source Penetration Testing Tools OSV-Scanner 5 Tools to Scan a Linux Se...

Updated 1 month ago by Admin

Q & A

IBM AIX

0516-1398 extendvg 0516-1398 extendvg: The physical volume hdisk1, appears to belong to another ...

Updated 1 month ago by Admin

Ksh

IBM AIX

Korn shell - ksh if-then if [[ -e /usr/opt/rpm/bin/rpm ]] then RPM_CMD="/usr/opt/rpm/bin/...

Updated 1 month ago by Admin

AIX Toolbox

IBM AIX

Tutorials Configuring YUM and creating local repositories on IBM AIX - IBM Developer Tips for...

Updated 1 month ago by Admin

範例與常用技巧

SHELL

檔頭常用宣告 Use Bash Strict Mode # quickly syntax set -euo pipefail # let script exit if a c...

Updated 1 month ago by Admin

AI Translator

Gen AI

使用 LLM 實現語言翻譯 PDFMathTranslate 完整保留排版的 PDF 檔案全文雙語翻譯,支援 Google/DeepL/Ollama/OpenAI 翻譯。 GitHub...

Updated 1 month ago by Admin

tmux

Linux Administration

Sessions Start session tmux new tmux new -s mysession Show sessions tmux ls Kill se...

Updated 1 month ago by Admin