My Tech Notebook
Reverse Engineering with LD_PRELOAD
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    • BSD
      • Filesystems
        • MFS: Using a RAM Filesystem
        • Mounting a Filesystem in Multiple Places Simultaneously
      • Kernel
        • Activating the Serial Port on FreeBSD
        • Activating Kernel Modules
        • Modifying Your Generic Kernel
      • Misc
        • Migration: Migrating Linux accounts to BSD
        • FreeBSD
          • Creating an Apple Time Machine Network on FreeBSD
          • Installing FreeBSD on ZFS
          • Monitoring CPU Temperature on FreeBSD
        • OpenBSD
          • Modifying Boot Parameters
          • OpenBSD Configuration Guide (Very Complete)
          • OpenBSD Package System
          • Recovering your OpenBSD after a bad manipulation
      • Network
        • Bandwidth Usage Statistics
        • Configure Network on NetBSD
        • Configure Network on OpenBSD
        • Configuring Network on FreeBSD
        • QoS (Quality Of Service) with PF
        • Trunking: Creating Trunking (bonding) on OpenBSD
        • UFS: Disk usage in UFS
        • VLAN: Creating a VLAN Interface on OpenBSD
        • Firewalls
          • IP Filter: Using the Firewall on Solaris
      • Packages
        • FreeBSD Package System
      • Security
        • Encrypting Swap Partition
        • Jailctl: Creating Chroot Environments (Jails)
    • Coding
      • C
        • Better Understanding and Using the C Language Preprocessor
        • Introduction to C
        • Some examples of CMake usage
      • HTML
        • CSS: Style Sheets
        • Introduction to XHTML
        • Special Characters
        • Text Formatting
      • Java
        • Debugging a JVM Crash
        • Java Memory Management
      • Misc
        • Introduction to PowerShell
      • PHP
        • Compile Your PHP Scripts
        • Introduction to PHP
        • Securing PHP Scripts
      • Perl
        • Introduction to Perl
        • Learning Perl 6
        • My Perl Scripts That Can Serve as Exercises
        • Object-Oriented Programming in Perl
      • Python
        • Introduction to Python
        • My Python Scripts That Can Serve as Exercises
      • SQL
        • Introduction to SQL
      • ShellScript
        • Debugging a Shell Script
        • Different Shell Script Loops
        • Introduction to shell scripting
    • Ethical Hacking
      • Database
        • SQL Injections
      • Misc
        • Address Space Protection: State of the Art in Linux and OpenBSD
        • Penetration Testing
      • Network
        • Altering ARP Tables
        • ARP Spoofing in a Switched Network
        • Grimwepa: Easy WiFi Hacking
        • Hidden (or Covert) Channels
        • Man in the Middle
        • PSAD: Protection Against nmap-Type Scans
        • Reverse Engineering with LD_PRELOAD
        • Scapy: Data Frames and Packets
      • Operating Systems
        • DNS Protocol Security Audits
        • Linux
          • Anti-forensics on ext2/ext3 Filesystems
        • Windows
          • Fuzzing - Tutorial on Using and Customizing a Fuzzer for Vulnerability Research
          • Arbitrary Code Injection and Execution in Another Process Memory Space
          • Download and Execute ShellCode: Optimized and Detailed Code of a Download/Execute ShellCode for Windows
          • Finding passwords from the Windows SAM database
          • Finding the base address of kernel32.dll: Three methods PEB, SEH and TopStack
          • Shatter Attack Technique
      • Theory
        • Cryptology and Prime Numbers: The RSA Algorithm
    • Linux
      • Applications
        • BusyBox: Creation and Usage of a BusyBox
        • CPUBurn: Stress Testing Your CPU
        • Crontab: Usage
        • FTP: Automate Transfers
        • Gnuplot: Graph Data Easily
        • Linux-Unix Cheat Sheets - The Ultimate Collection
        • MFi: Install a Ubiquiti server to manage powerstrips
        • Mirroring a Website
        • Restarting difficult services
        • Task Scheduling
        • Weechat: A User Friendly IRC Client
        • Yubikey: Configure Your Yubikey with PAM
        • ZNC: Use a Bouncer to Get History
        • Shell
          • Batch Renaming Elements
          • Chat with Users on the Same Machine via Terminal
          • Command-line Burning
          • Console Colorization
          • Cpulimit: Limit CPU Usage
          • Date: Advanced Usage of the Date Command
          • Differences between du and df
          • Environment Variables
          • Execute Commands at Logout
          • Fifo and Cat: Share a Session with Multiple Users
          • Locate Large Files and Directories
          • Find all dependencies related to a package
          • Finding Broken Symbolic Links
          • How to Kill a Crashed Application or Handle a Frozen Screen
          • Ivconv: Text Transcoding to Any Character Set
          • Jobs: How to Use Jobs
          • Kill and lsof: Killing the process listening on a specific port
          • Most Used Commands List
          • MOTD: Modifying the Console Opening Message
          • Pstree: List Processes as a Tree
          • Redirect a Service Output to a File
          • Removing Superfluous Elements in Text Files
          • Screen: Most Used Commands
          • Sed & Awk: Some Examples of These Wonders
          • Shell: Batch Renaming with Counter
          • Sipcalc: Subnet Calculator
          • The find command or the power of search
          • Tmux: The Terminal Multiplexer Replacing Screen
          • Unix Toolbox: All Useful Commands
          • Xterm: Customizing the Display
          • ZSH: A Very Practical Shell
        • TextEditors
          • Emacs: Quick Reference Card
          • Introduction to Vi
          • Vim: Essential Commands & Quick Reference Card
      • Coding And Debug
        • Failed Compilations
        • Generate a Configure File for Pre-make
        • Patches: Creating and Applying Patches
        • Perl Locale Issues
        • Strace and Ltrace: Trace System and Library Calls
      • Desktop
        • Fluxbox: Rounded Corners for All Windows
        • Awesome: A Lightweight and Powerful Desktop
        • Compiz: Setting Up a 3D Desktop
        • Disable Sound in GDM
        • Disable the PC Speaker Beep
        • Export a Display or Forward an X11 Connection
        • Gnome: Locked Dashboards
        • GNOME Shell: Using Settings to Configure Your Desktop
        • Gnome-shell: Automatic Wallpaper Change
        • How to install and configure a monitoring machine for supervision
        • Infinality fonts for retina display
        • Numlockx: Enabling the numeric keypad at boot
        • Restart X
        • Synergy: Multi-screen Setup with Multiple Computers
        • Using the Numeric Keypad as a Mouse with X
        • Wacom: Setting up the Wacom Bamboo
        • Xmodmap: Map All Your Mouse Buttons
        • Zenity: GUI for Your Scripts Easily
        • VNC
          • Vino: The VNC Server of Excellence for GNOME
          • VNC: Listen Mode on Linux
      • Filesystems And Storage
        • ACL: Implementing NT-type Permissions on Linux
        • Anatomy of a Linux Filesystem
        • AutoFsck: Changing Filesystem Checks on Ubuntu
        • AutoSSH: Automatically Reconnect SSH Tunnels
        • BTRFS: Using the Ext4 Replacement
        • Clone a Hard Drive
        • Filesystem Conversion
        • Creating Blank Images for Testing Filesystems
        • Ext3: Resize partitions without data loss
        • Foremost: Recover Deleted Data
        • FUSE: Unable to Mount Disks Due to /dev/fuse
        • Hdparm: Optimizing Disk Access
        • Incron: Execute Automatic Actions When File States Change
        • Limiting I/O usage by an application
        • No space left on device while there is space available
        • Optimizing Hard Disk Performance on Linux
        • Parted: Solving Partitioning Problems on Large Filesystems
        • Scalpel: Recovering Deleted Data
        • Setting up quotas on Linux
        • Smartmontools: Hard Drive Monitoring
        • SWAP: Creating Dynamic Swap
        • TestDisk: Recovering Lost Data
        • Tmpfs: RAM filesystem or how to write to RAM
        • ZFS On Linux: Setting up ZFS on Linux
        • LVM
          • LVM: Working with Logical Volume Management
          • Resize Swap
        • Raid
          • Linux RAID Performance
          • Optimization of extX filesystems and RAID under Linux
          • Recovering Data from a RAID1 LVM
          • Software RAID Configuration
        • Storage Encryption
          • Cryptoloop: Setting Up an Encrypted Folder
          • EncFS: Setting up EncFS with FUSE
          • LUKS: Encrypting Your Partitions
          • Solutions for Encrypted LVM System
          • TrueCrypt: Portable Data Encryption
      • Kernel
        • How to Check the Page Size of Your Machine
        • Initramfs: Fixing Kernel Boot Issues with Initramfs
        • Kernel: Module Compilation
        • Kexec: Optimize Your Boot Times
        • Linux Memory Management
        • Linux Process and Scheduler Management
        • Managing Zombie Processes in Linux
        • Memory Addressing and Allocation
        • Memory Caches
        • Modifying Source Version
        • OProfile: Profile Your System
        • Process Latency and Kernel Timing
        • Queueing Theory
        • Recompile your kernel
        • Securing Your Kernel with Grsecurity and PaX
        • Strengthening Linux Kernel Security Functions
        • Sysctl: Configuring Kernel Options in Linux
        • SystemTap: Profile and Quickly Use Kernel Features
        • Udev: Using a Socket to Communicate with Kernel Devices
        • Understanding the Content of /proc
      • Misc
        • Converting Unix Timestamp to Date
        • Activating the Serial Port on Linux
        • Enabling and Disabling Screen Savers from Command Line
        • How to Check BIOS Version Without Rebooting
        • Connect to Debian via Serial Port
        • Creating an ISO Image
        • Uncompress for Different Formats
        • Disable Screen Standby on Debian
        • DrawIt: A VIM Extension for Creating ASCII Diagrams
        • Gentoo: Getting Started
        • Gentoo: Using Portage
        • Getting Hardware Information from a Machine
        • GRUB: Using a Bootloader
        • GS: Merge Multiple PDFs Into One
        • Installing Mac OS X and Ubuntu in Dual Boot
        • IRC: Setting up an IRC server with UnrealIRCD and Anope Services
        • Linux Boot Process
        • Linux: Launching Daemons at Boot
        • Manipulating Images via Command Line
        • Measuring Execution Time of One or Multiple Commands
        • Activating the Numeric Keypad
        • RAM Information
        • Replacing an installed RedHat with Debian without formatting
        • Sending Emails from Command Line
        • Sudo: Running commands as root without being root
        • Sysstat: Essential Tools for Analyzing Performance Issues
        • Systemd: How to Debug on Boot Failure
        • Understanding Time Management in Linux
        • Understanding Load Average
        • Vagrant: Quickly Deploy Virtual Machines
        • VirtualBox: VMware Alternative
        • Wine: Running Windows Applications on Linux
        • Debian
          • Advanced Usage of Debian Packages
          • Automate Debian Installation
          • Broadcom Drivers and Debian
          • Checking File Integrity on Debian
          • Creating a Debian Repository
          • Cron-apt: Automatic Security Updates Installation
          • Debian: Changing Default Tools (e.g., Editor)
          • Debian: GPG Error During apt-get update
          • Debian: No More Dependency Errors When Configuring From Source
          • Debian: Reinstalling a Server Almost Identically
          • How to use old Debian repository for unmaintained Debian versions
          • Installing Debian on a Mac in Single Boot
          • Integrit: Add an integrity control tool on your Debian
          • Modifying CPU Frequency
          • Recompile a Software the Debian Way
        • RedHat
          • Creating a Red Hat Kickstart to Automate Installations
          • Creating a RedHat DVD from CDs
          • Creating a RedHat Package from a Tar File
          • Restore permissions on Red Hat
          • RPM: Build a Binary RPM Package from Sources on Red Hat
          • SoSReport: Generate and analyze machine reports
          • Yum: Package Management in Red Hat
      • Multimedia
        • Video Conversions
        • Converting WMA to MP3
        • Advanced Usage of MediaWiki
        • Newznab: Setting up a Usenet Indexer
        • SABnzbd: A Web Interface for Managing Newsgroups
        • Sick-Beard: A PVR Relying on SABnzbd
        • Switch audio output to another USB device
      • Network
        • Bwm-ng: Measure Bandwidth Consumption in Real Time
        • Check Connections Per IP
        • Cisco VPN Client: Installation on Red Hat 6
        • Configuring a Local Network on Debian and Ubuntu
        • DNS FQDN Name Resolution in Local Network
        • Dnsmasq and dhclient: use a specific DNS for a specific domain
        • Ifrename: Renaming Network Cards Without Using Udev
        • IP: Network Interface Management Command
        • Iperf: Testing End-to-End Bandwidth
        • IPv6: Complete Removal, IPv4 Only on Debian
        • Kernel and Network: Pushing the Limits of Connectivity
        • Make Network Card LEDs Flash
        • Network: Creating Bonding
        • Proxychains: Proxy Any Outbound Connection
        • Rename Network Interfaces to ethX
        • Displaying Active Machines on the Current Network
        • Trickle: Limit Your Application Bandwidth
        • Netcat
          • Netcat: Creating a Listening Port
          • Netcat: File Transfer
          • Netcat: Remote Partition Backup
          • Netcat: Usage
        • OpenSSH
          • Belier: Script Your SSH Connection
          • Bypassing HTTPS Proxies for SSH
          • Chroot SSH Accounts
          • Creating a VPN with OpenSSH
          • Fanout: Run the Same Command on Multiple Machines Simultaneously
          • OpenSSH FAQ
          • OpenSSH: Creating an SSH SOCKS Proxy
          • OpenSSH: Graphical Window Forwarding
          • OpenSSH HPN (High Performance): Implementation and Installation
          • OpenSSH: SSH Connection Multiplexing
          • OpenSSH: SSH Key Exchange
          • OpenSSH : Tunneling VPN
          • OpenSSH: Using Stepstones
          • Reverse Tunneling with OpenSSH
          • Securing OpenSSH
          • Setting up an SSH Bouncer Server for Your SSH Connections
      • Packages
        • Debian
          • Apt & Aptitude: Useful Commands
          • Apt-cacher-ng: Setting Up a Proxy for APT
          • Apt-file: Searching for Files That Prevent Compilation
          • APT: Adding Release Preferences for Specific Packages
        • RedHat
          • Adding Red Hat DVD as a Repository
      • Security
        • Force User to Change Password at First Login
        • Acct: The Ultimate Keyfinder
        • Encrypt and Decrypt a File with OpenSSL
        • Encrypting a Password with MD5
        • Fail2ban: Implementing automated iptables rules to counter bruteforce attacks
        • Freeze a Machine by CPU Overload
        • GnuPG: Encrypt Your Emails
        • Lshell: Limiting Shell Capabilities
        • Secure Your Architecture with SELinux
        • Ulimit: Using System Limits
        • Xinetd: Securing Services
    • MacOS
      • Applications
        • Hdiutil: Creating a DVD ISO from a VIDEO TS folder
        • Mount Disk Images from Command Line
      • Coding
        • Compiling with GCC on Multiple Architectures (e.g., PPC and Intel)
      • Hardware
        • Calibrating Your Laptop Battery
      • Misc
        • Clearing DNS Cache on Mac OS X
        • Hide an Open Application from the Dock and Switcher
        • Installing OSX from an External Drive
        • MacFuse + NTFS-3G: Reading and Writing NTFS Partitions on Mac OS X
        • Switching to Case-Sensitive File System on Mac OS X
        • Viewing Hidden Files and Folders in Mac OS X
    • Misc
      • 3D Print
        • OctoPrint: add Prusa Connect
        • Prusa maintenance
      • CAD
        • Blender: useful keyboard shortcuts
      • Fonera
        • Enabling SSH on the Fonera+
        • Modify the firmware with FrancoFON
        • Modifying the firmware with OpenWrt
      • Google
        • Gmail: Having Multiple Email Addresses with a Single Gmail Account
        • Google Search Tips
      • Home Assistant
        • Sonoff: Remote-control reset
      • LaTeX
        • Beamer: Create Beautiful LaTeX Presentations
        • LaTeX Template for Creating Cheat Sheets
      • Misc
        • BIOS Beep Codes and Their Meanings
        • Create a clean Git/GitHub pages branch
        • Hyperhdr rpi swapped colors
        • OpenElec: Multimedia Solution for Raspberry Pi
        • Reboot Your Freebox Server 6 via Command Line
        • Repairing a GoPro Hero Video
      • Soekris
        • Installing pfSense on Soekris
        • OpenBSD Configuration and Installation via Serial Port on Soekris
        • Upgrading the Soekris BIOS
    • Network
      • Cisco
        • Analyzing Network Equipment and Network Configurations
        • Basic Configuration of a Cisco PIX
        • Capturing connections on an interface
        • Completely Reset a Cisco Configuration
        • Configuring a catalyst switch
        • Installation from Scratch of a Cisco Pix
      • Theory
        • BGP Protocol and its Security
        • Network Flows
        • TCP Flags
    • Servers
      • Authentication
        • FreeRadius
          • DaloRADIUS: Setting up a FreeRadius server with DaloRADIUS web interface
          • Setting up a FreeRadius server
        • Kerberos
          • Apache SSO Authentication on AD Backend via Kerberos
          • Authenticating Solaris Accounts on Active Directory
          • Kerberos: Setting up a Kerberos Server
        • OpenLDAP
          • LDAP: Installation and Configuration of a Secondary LDAP Directory
          • LDAP: Installation and Configuration of an LDAP Directory
          • PhpLDAPadmin: Setting Up a Graphical Management Solution for OpenLDAP
          • Setting up a Synchronization Solution between ActiveDirectory and OpenLDAP
        • PAM
          • PAM Cracklib: Configure Password Complexity
          • PAM: Install pam_mkhomedir for Automatic User Home Directory Creation
          • PAM Mount and SshFS with Password Authentication
          • PAM mount: Automatically Mount Network Shares at Login
          • PAM (Pluggable Authentication Module): Choosing Authentication Methods
          • Pam time setting login restrictions
          • PAM-script: Execute Scripts at Authentication, Session Open and Close
        • SSO
          • CAS: Setting Up an SSO Server
          • LemonLDAP::NG: More than just SSO
          • OpenID: Authentication Centralization
      • Backups
        • Amazon S3: Clean and Automated Backups with Amazon S3
        • BackupPC: A Complete Backup Tool
        • Backups and Restorations with tapes
        • Bacula: Setting Up a High-Performance Backup Server
        • Rdiff-backup: Incremental Remote Backups
        • Rsync: Incremental Backup
        • Unison: Backup like rsync but bidirectional
        • ZRM: Automated Backups and Easy Restorations
      • Cloud Computing
        • DevStack: Quickly Develop or Test OpenStack
        • OwnCloud: Create Your Personal Cloud
      • Configuration Managers
        • Ansible: A Powerful Agentless Configuration Management and Orchestrator Solution
        • Puppet
          • MCollective: Run Actions in Parallel on Remote Machines
          • Puppet: Configuration File Management Solution
          • Puppet Dashboard: Setting up a Graphical Interface for Puppet
          • PuppetDB: Enhance Your Puppet Functionality
      • Containers
        • LXC: Install and configure the Linux Containers
        • VServer: Setting Up VServer
        • Docker
          • Docker Compose: create and manage multi-container applications
          • Docker: containerize your applications
        • Kubernetes
          • K3s: A lightweight Kubernetes
          • Kubernetes basic usage
          • Use local storage with OpenEBS
        • OpenVZ
          • OpenVZ: Setting Up OpenVZ
          • WebVZ: Manage OpenVZ VMs with a Web Interface
        • Solaris Zones
          • Installing HA Zones with ZFS and Solaris Cluster
          • Configuration and Usage of Solaris Zones (Containers)
      • DNS
        • Unbound: Implementing a Next Generation DNS Server
        • Bind
          • Advanced usage of Bind
          • Bindgraph: Get Statistics and Graphs of DNS Queries
          • Installation and Configuration of a Bind9 Secondary (Slave) Server
          • Installing and Configuring a Primary Bind9 Server (Master)
          • NamedManager: A Nice Web Interface to Manage Bind
          • Securing a Bind Architecture
          • Setting up a Bind server with LDAP backend
        • PowerDNS
          • PowerAdmin: An Administration Interface for PowerDNS
          • PowerDNS: Creating a DNS Cache Server
          • PowerDNS: Creating a Master DNS Server
      • Databases
        • Sybase: Installation and Configuration
        • MySQL MariaDB
          • MySQL: Backups, Restorations and Transfers
          • GreenSQL: Preventing SQL Injections with GreenSQL
          • MariaDB Galera Cluster: Multi-Master Replication
          • MariaDB: Migration from MySQL
          • MariaDB Operator: Run full featured MariaDB in Kubernetes
          • MySQL Cluster Load Balanced with Heartbeat
          • MySQL: Installation and Configuration
          • MySQL Replication Master to Slave
          • MysqlTuner: Optimizing Your MySQL Server
          • PhpMyAdmin: Installation and Configuration
          • Purging MySQL Binary Logs
          • Repairing MyISAM and InnoDB Databases
          • Replication Master to Master
          • Running Multiple MySQL Instances on Solaris
          • Setting up a MySQL Proxy
          • Using MySQL
          • XtraBackup: Optimizing Your MySQL Backups
        • NoSQL
          • ElasticSearch: Powerful Search and Analytics Engine
        • PostgreSQL
          • PhpPgAdmin: Installation and Configuration
          • PostgreSQL Installation and Configuration
          • Slony-I: Database Replication for PostgreSQL
      • File Sharing
        • AOE: Setting Up an ATA Over Ethernet Server
        • AutoFS: Mounting and Unmounting Shares
        • NFS: Setting up an NFS Server
        • Setting up a Unix systems specialized Home server
        • UploadTool: Setting up a file sharing tool via Apache
        • SFTP and FTP
          • MySecureShell: Setting up a Secure File Transfer Solution
          • PhpFtpWho: Connection Monitoring for Proftpd
          • SSLH: Multiplexing SSL and SSH connections on the same port
          • Vsftpd: Setting up virtual hosts with MySQL
        • Samba
          • Network Recycle Bin
          • Installation and Configuration of Samba in "Share" Mode
          • Installation and Configuration of Samba in ADS Mode (Authentication on an AD Server)
          • Installation and Configuration of Samba in 'User' Mode
          • Installation and Configuration of Samba in User Mode (Authentication on an OpenLDAP Server)
          • Installing and configuring Samba as a Domain Controller
          • Mounting a Windows Share from Samba
          • Problems with saving Office, Adobe... file types
          • Trick Samba Share Size Display
        • iSCSI
          • Creating an iscsi share between solaris and debian
          • iSCSI: Setting up an iSCSI Server
      • High Availability
        • Installation and Configuration of Pacemaker
        • Load Balancing Multiple WAN Connections
        • Quickly Grant User Access to Cluster Commands
        • HA Proxy
          • HAProxy: Load Balance Your Traffic
          • Load Balancing and Fail Over for Web Services
        • Heartbeat
          • Installation and Configuration of a Heartbeat V1 Cluster
          • Installation and Configuration of a Heartbeat V2 Cluster
        • Keep Alived
          • Installation and Configuration of KeepAlived/Pound with Failover and Session Support
          • Pound: Installation and Configuration of a Reverse Proxy
        • RedHat Cluster Suite
          • Installation and Configuration of Red Hat Cluster Suite
          • Installing a Red Hat 4 Cluster
        • Storage
          • Ceph: Performance, Reliability and Scalability Storage Solution
          • GFS2: Red Hat Cluster Filesystem
          • GlusterFS: High Availability Cluster Filesystem
          • Installation and Configuration of DRBD
          • OCFS2: Oracle's Cluster File System
        • Sun Cluster
          • Installation and Configuration of SUN Cluster
          • Installation of Sun Cluster
          • Introduction and Architecture of Setting Up a SUN Cluster
          • Setting up a quorum server
          • Upgrading SUN Cluster
      • Misc
        • Firefox Sync Server: Create Your Own Sync Server
        • Firefox: Mass Management on Windows Environment
        • Asterisk: Setting up Asterisk PBX and Web-Based Provisioning GUI
        • AvantFax: Setting Up a HylaFax Server with AvantFax
        • Basic Architecture with Asterisk and Freephonie
        • CUPS: Setting Up a Print Server
        • MediaTomb: Setting up a multimedia (UPnP) server
        • OCS Inventory: Setting up Automatic Network Inventory
        • Rancid Search: Setting Up a Search Tool for Rancid
        • Seafile: Make Your Personal Storage Cloud Easily
        • Setting up a Watchdog
        • Setting up a WiFi Hotspot
        • Sphinx: Setup a Full Text Indexer
        • Hardware
          • Migrating from Multipath to Powerpath on RedHat
          • Multipath: Configuring Multiple Paths for External Disk Access
        • Instant Messaging
          • EJabberd: Setting up a Jabber server (instant messaging)
          • OpenFire: Installation of OpenFire
        • NTP
          • NTP: Creating an NTP Server
          • OpenNTPd: Setting up an NTP server on OpenBSD
        • Remote Install
          • Satellite: Deploying Red Hat OS via Red Hat Satellite
          • TFTP: PXE Server, OS Deployment under Linux
      • Monitoring
        • Glances: All in One Monitoring Shell Tool
        • Installation and Configuration of a Centreon Server
        • Mailgraph: Email Monitoring (Spam, Rejects, Viruses...)
        • MRTG: Network-Focused Monitoring
        • Oreon: Setting up a simplified and more elegant solution for Nagios
        • RRDtool: Create Your Own Graphics with RRDtool
        • Shinken: Installation and Configuration of Nagios' Successor
        • Smokeping: Monitoring Latency
        • SNMP: The Network Management Protocol
        • Watchdog: Hardware Problem Detection
        • Weathermap4RRD: Creating Monitoring Maps
        • Xen and vserver: monitoring VMs on a PHP page
        • Cacti
          • Installation and Configuration of Cacti
          • Create Your Own Graphs
        • Collectd
          • Collectd: Installation and Configuration
          • Collection3: A Web Interface for Collectd
          • Heymon: A Web Interface for Collectd
          • Jarmon: A Web Interface for Collectd
          • Observium: An Advanced Interface for Collectd
          • Visage: A Web Interface for Collectd
        • Logging
          • Fluentd: Quickly Search in Your Logs with Elasticsearch, Kibana and Fluentd
          • PHP-syslog-ng: Interpretation of Syslog-ng logs in a web interface
          • Rsyslog: Installation and Configuration
          • Syslog-ng: Installation and Configuration of Syslog-ng
          • Tenshi: System Log Analysis
        • Munin
          • Monit: Easily Use Triggers on Your System
          • Monit and Munin: Monitor with Munin and Get Alerts with Monit
          • Monitoring Windows with Munin
          • Munin: Monitor your servers in a very simple way
        • Nagios
          • Check MK: Easily collect Nagios information and extend its capabilities
          • Email Summary of Current Nagios Alerts
          • Nagios: 2 Load Balancing
          • Nagios: Improving the Look of Notification Emails
          • Nagios: Installation and Configuration
          • NagVis: Map Your Architecture with Nagios Alerts
          • NDOUtils: Sending States to a Database
          • PNP4Nagios: Graph Your Nagios Alerts
          • Setting up a distributed monitoring solution with Nagios, CheckMK and Thruk
          • Thruk: An Advanced Interface for Nagios and MKlivestatus
      • Network
        • MetalLB: Self-hosted Load Balancers for Kubernetes
        • NTOP: Installation and Configuration of NTOP (Network TOP)
        • Setting up VLAN
        • DHCP
          • DHCP: Installation and Configuration of a DHCP Server
          • Setting up DHCP Failover
        • VPN
          • OpenVPN: Setting up OpenVPN on different platforms
      • Security
        • Banners: Hiding Application Banners (Service Banner Faking)
        • Create a PKI
        • Rinetd: Simply and Quickly Forward to Other Machines
        • Rkhunter: Detection of rootkits and malware
        • Stunnel: Creating an SSL Tunnel
        • Iptables
          • Basic IPTables Commands
          • Iptables: Configuration Examples
          • Launch Firewall Rules Before Interfaces Come Up
          • Nfqueue: Filter Thousands of IP Addresses (e.g., by Country)
        • Packet Filter
          • Introduction to Packet Filter
          • Packet Filter: Fighting Against Brute Force Attacks
        • Snort
          • Introduction to IDS and SNORT
          • Setting up Snort & BASE (Basic Analysis and Security Engine)
      • Versionning
        • CVS
          • CVS: Using CVS
          • CVS Installation and Configuration
          • Setting up ACLs for CVS
        • Git
          • Gitweb: Installation and configuration of a web interface for git
          • Nginx Git and Gitweb
          • Setting Up a Git Server and Client
        • SVN
          • Installation and Configuration of an SVN Repository
          • SVK: Creating a Read-Only Mirror for SVN
      • Virtualization
        • KVM and Qemu
          • Converting a VMware Disk Image for Qemu or Xen
          • KVM: Setting Up KVM
          • Migrating from Xen to KVM
          • QEMU: Windows Installation
        • Xen Server
          • Setting up Xen
          • XenServer 4.1: Changing the Management Interface
          • XenServer 5.0: Configuring XenServer with SUN Hardware
          • XenServer 5.0: Tips & Tricks
        • Xen Source
          • Converting VMware Images to Xen
          • Ganeti: Xen Cluster Management
          • Port forwarding from dom0 to bridged domU with IPVS
          • Xen Conversion P2V
          • Xen with Bonding + VLAN Tagging
      • Web
        • Accelerating CGI Scripts with SpeedyCGI-PersistantPerl
        • Benchmark Your Website
        • Checking Your Website Security with Nikto
        • Creating a Favicon for a Website
        • Managing SSL Certificates Signed by a Certificate Authority
        • PHP: Installation and Configuration
        • Preventing your website from being indexed (disabling robot scans)
        • Selenium: Task Automation for Web Environments
        • Symfony: Installation and Configuration of the PHP Framework
        • Testing Load on Servers and Web Applications
        • Tomcat: Setting up a Tomcat server
        • Trac: Setting up a Tracking Solution
        • Apache
          • Geolocation with Apache 2
          • Apache 2 Installation and Configuration
          • Load Balancing with Apache 2
          • Memcached: Setting up a Cache Server for Apache
          • Mixing Apache Authentication
          • Proxy: Creating a proxy with Apache
          • Real-time monitoring of your Apache server
          • Securing Apache with mod_security
          • Setting up SSL certificates with Apache 2
          • Slotlimit: Apache Module to Limit Apache Resources
          • Theme for Apache Directory Index Listing
          • WebDAV: Securing with SSL
        • Caches
          • Varnish: a website accelerator
        • Lighttpd
          • Lighttpd: Installation and configuration of an Apache alternative
          • Setting up OpenSSL with Lighttpd
          • Vlogger: Splitting Lighttpd logs with statistics generation
          • WebDAV with Lighttpd
        • Nginx
          • HTTP Substitutions Filter: Multiple Filters with Regex on Response Bodies
          • NAXSI: Integrate a WAF for Nginx
          • Nginx: Installation and Configuration as an Apache Alternative
          • Nginx + Varnish: Cache even in HTTPS by offloading SSL
          • PageSpeed: Optimize Your Rendered Code On The Fly
        • Proxy
          • SafeSquid: Coupling with ClamAV to Filter Viruses on Incoming Traffic
          • SafeSquid: Setting Up a Content Filtering Proxy
          • Squid: Installation and Configuration of Squid
          • TinyProxy: Setting up a Simple and Fast Proxy
        • Traefik
          • Traefik: a modern reverse proxy, installation and configuration
      • Webapps
        • Ajaxterm: Using a Terminal via Web
        • Awstats: Setting up Awstats, a Web Logs Interpreter
        • Bugzilla: Setting Up a Ticketing Tool
        • Jenkins: Setting up a continuous integration tool
        • Limesurvey: Setting up a Survey Solution
        • MyTinyTodo: A Simple Task Management Tool
        • OTRS: Setting up a ticketing tool
        • Piwik: Statistics for Your Website
        • Pootle: Simple Translation Tool
        • Mediawiki
          • Basic Usage of MediaWiki
          • MediaWiki: Installation and Configuration
          • Practical Extensions for MediaWiki
        • RSS feeder
          • Selfoss: An Elegant RSS Reader
          • Tiny Tiny RSS: An Alternative to Google Reader
        • Wordpress
          • Advanced WordPress Usage
          • Setting up Memcached on WordPress
          • WordPress: Useful Extensions
      • eMails
        • AlterMIME: Automatically Add a Disclaimer to Outgoing Emails
        • Fetchmail - The Ultimate Mail Collector
        • Getmail - An Alternative to Fetchmail
        • IMAP Mailbox Synchronization
        • Postgrey: Setting Up Greylists to Fight Spam
        • Procmail: Filtering emails at the source
        • Setting up a complete antispam server
        • Setting up a Courier POP3 server with SSL
        • SquirrelMail: Setting up a Simple yet Advanced Webmail
        • Z-Push: Setting Up an ActiveSync Server with Postfix (or How to Set Up Push Mail)
        • Exchange
          • Exchange: Repairing and Defragmenting Databases
        • Postfix
          • Dkfilter: Proxy SMTP (Signature Mails) Made by Yahoo
          • Installation and Configuration of Postfix and Courier
          • Postfix: hold outgoing mail transport
          • Postfix limit outgoing mail throttling
          • Postsuper: Mass Deletion of Emails in the Queue
          • Running a Command When Receiving an Email
          • SASL: Secure Remote Email Sending with Postfix Server (SASL+TLS)
          • Secondary MX: Setup
          • Setting up an Antivirus (ClamAV and Amavis)
          • Simulate a black hole for a domain with Postfix
          • SSL: Certificate Management
          • Swaks - Swiss Army Knife SMTP
          • Troubleshooting mails with Postfix
          • Virtual Domains
        • SPF
          • OpenSPF: Setting up OpenSPF
          • SPF (Sender Policy Framework): Prevention of Email Address Forgery
        • Spamassassin
          • Fight Spam More Effectively - Additional Rules
          • FuzzyOcr Plugin: Image Spam Detection (OCR Detection)
          • Spam Reinjection for Testing
          • SpamAssassin Installation and Configuration
    • Solaris
      • Applications
        • DTrace: Real-time Problem Detection
        • Jumpstart: Automating Solaris Installations Without Networks
        • Setting up Nagios NRPE on Solaris 10
        • Setting up OpenLDAP Client
        • Setting up VNC server on Solaris
        • SSH: Setting up SSH Server on a Minimal Solaris Installation
        • Using the Web Console
        • Services
          • Convert MySQL RC Script to SMF
          • SMF: Service Management Facility
        • Users Management
          • User Management
      • Filesystems
        • ACL: Implementing NT-Style Permissions on Solaris
        • Creating a RAID 1 (mirroring) on Solaris
        • Disk Management in Solaris
        • Mount an ISO image on Solaris
        • Multipathing Management on Solaris
        • Adding Swap Space on Solaris
        • Tmpfs: Mounting a RAM filesystem on Solaris
        • ZFS: The Filesystem Par Excellence
      • Hardware
        • How to Check the Number of Active CPU Cores on Solaris
      • Misc
        • Changing Hostname on Solaris
        • Changing Solaris Locales
        • Finding a Process Running on a Specific Port on Solaris
        • Get Unix Format Time on Solaris
        • How to Determine Your System Architecture
        • Managing Solaris Processes
        • Monitor Your Solaris Users
        • Monitoring Superuser Access
        • OpenBoot PROM, BIOS Management
        • Patching Solaris
        • Removing User Limitations
        • Some information about the machine
      • Network
        • Configure Network on Solaris
        • IPMP Configuration
        • Make Unsupported Network Cards Work with Solaris
        • Modifying Network Card Parameters
      • Packages
        • Automating Installation of Many Packages
        • Creating a Solaris Package
        • Managing Updates with Update Manager and smpatch
        • Pkg-get: Setting up a Repository System for Solaris
        • Solaris Package Management
    • Windows
      • Applications
        • Installing Rsync on Windows
        • WinDbg: Analyze Crash Dump
      • Misc
        • Deploying Power Management on a Server for its Clients
        • Modifying NTP Synchronization Servers on Windows
        • OpenSSH: Using Putty and an HTTP proxy to ssh anywhere through firewalls
        • Windows: Refreshing Security Policies (GPO)
        • Windows: Stop a system shutdown in progress
        • Windows XP: Memory Overflow Problems
        • WSUS: Save Disk Space (Purge Unused Updates)
    Development Linux Reverse Engineering Security

    Reverse Engineering with LD_PRELOAD

    Reverse Engineering with LD_PRELOAD

    August 3, 2007 August 3, 2007
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