- Add Radhat Linux to Active Directory Authentication
- Change Memory limit for VirtualMin
- Invoice Ninja 5.0 install on Ubuntu 20.4
- Ansible
- Ubuntu
- Drupal installation
- Basic
- 3CX share provisioning folder via samba service, TFTP service
- Backup LAMP (Website file and database) with script and crontab
- DoS – TCP SYN cookies attack
- Extract compressed files
- High CPU usage and high disk usage by sendmail
- Start Xampp
- Bash script _ If statement
- Bash script_ Loop
- Bash Script_Fuctions
- BashScript_User interface
- Bash Script to manage files on FTP server
- Compression, system backup, software installation
- Bash Scripting – chapter1 Variable, input
- Dig (Domain Information Groper)
- Exim and Devecot for Email infrastructure
- Linux kernel
- Fix the linux font problem
- FTP – chroot
- Web server response codes to messages
- Deploy server
- Device Filesystem administration
- Install dependency automatically in Debian
- De-fragmenting in Linux
- Install LAMP ( Linux, Apache, Mysql (MariDB) , PHP)
- Linux system config
- Work on Linux File system
- Linux Filesystem
- Postfix
- Postfix with sasl
- WebServer Pressure Test( Jmeter)
- chapter 7 work with Shell (bash)
- Regular Expressions Basic
- Regular-expression advanced
- Transparently redirect root folder to a sub folder
- savapage (Paper Cut Alternative)
- Secure Copy protocol
- Selinux
- SendMail Config
- python pexpect with TCL script
- Chapter 12 network configuration and operation
- ufw blocking FIN, RST and ACK packets when rules should allow it.
- UTF-7 decoding problem with Java
- chapter 13 configure network service
- Install and configure NGINX server
- Linux Process managing
- Linux Printer and Log File
- System initialization and X window
- systemd-sysctl.service – Apply Kernel Variables
- Reset Linux Root password
- Text editor (VI / VIM)
- chapter 14 Troubleshooting, Performance and security
- chapter 10 user and groups
- wildcard
- Fortinet with Google Authenticator
- MAC
- Add a static route in MAC
- Boot into other OS via Refind
- Download Old MACOSX
- Useful command in MAC
- 常用MAC软件
- Basic key combo
- Connect to SMB & NAS share from MAC OS
- File system
- Enable NTFS in MAC
- System Integrity Protection on a Mac
- Security penetration test on MAC
- Mac Safe Mode
- MAC Printer problem
- Create a Service in MAC Sierra and give it a shortcut
- “Please install zlib and zlib-devel packages” error
- Fedora
- Linux IP table editor – UFW