Features

• The monitoring includes the following graphs:
  • System load average and usage (system.rrd)
    • System load.
    • Active processes.
    • Memory allocation.
  • Global kernel usage (kern.rrd)
    • Including user, nice, system, idle, i/o wait, irq, software irq, steal and guest.
    • Context switches.
    • Fork and vfork rates.
    • VFS usage (dentries, inodes and files).
  • Per-processor kernel usage (proc.rrd)
    • Including user, nice, system, idle, i/o wait, irq, software irq, steal and guest.
    • Supports unlimited number of processors or cores.
    • Ability to define the number of graphs per row.
    • Ability to change the size of the graphs (there are already some predefined sizes).
    • Ability to disable partial or completely the legend data.
  • HP ProLiant System Health (hptemp.rrd)
    • Up to 20 hardware temperature sensors supported.
    • Selectable ID sensors for each graph.
    • Using HP Command Line Utilities (hplog).
    • (version 8.6.0 of 10-Sep-2010 at the time of writting).
  • LM-Sensors and GPU temperatures (lmsens.rrd)
    • Up to 16 temperature sensors supported for cores.
    • Up to 2 temperature sensors supported for the motherboard.
    • Up to 4 temperature sensors supported for the CPU.
    • Up to 9 fan speeds supported.
    • Up to 12 voltages supported.
    • Up to 9 temperature sensors for GPU (nvidia/ati).
  • NVIDIA temperatures and usage (nvidia.rrd)
    • Up to 9 cards supported.
    • Temperatures, GPU usage and memory usage (CUDA).
  • Disk drive temperatures and health (disk.rrd)
    • Unlimited number of disk drives graphs supported.
    • Up to 8 disk drives per graph.
    • Temperatures (using smartmontools and hddtemp).
    • Reallocated sectors count.
    • Current pending sectors.
  • Filesystem usage and I/O activity (fs.rrd)
    • Unlimited number of filesystems graphs supported.
    • Up to 8 filesystems per graph.
    • Ability to hide the real name of each mount point (filesystem).
    • Disk I/O activity for each filesystem.
    • Time spent in disk I/O for each filesystem.
    • Disk sectors activity for each filesystem.
  • Network traffic and usage (net.rrd)
    • Up to 10 network devices supported.
    • Including packet traffic and traffic error graphs.
  • System services demand (serv.rrd)
    • Ability to toggle between (I)ncremental and (L)oad values.
    • Including (SSH, ProFTPD, Vsftpd, Telnet, Samba, FAX, CUPS, Fail2ban, IMAP, POP3, SMTP, VirusMail and Spam).
    • Supports xinetd, Sendmail, Postfix, Dovecot, UW-IMAP, Qpopper, Hylafax, MailScanner and CommuniGate logs.
  • Mail statistics (mail.rrd)
    • Supported MTAs are Sendmail and Postfix.
    • Complete statistics including:
      • Incomming connections.
      • Outgoing connections.
      • Rejected.
      • Delivered.
      • Received.
      • Bounced.
      • Discarded.
      • Held.
      • Forwarded.
      • Spam.
      • Virus.
    • Number of emails in queue.
    • Total size of all emails in queue.
    • Network traffic usage.
    • Greylisting (milter-greylist).
  • Network port traffic (port.rrd)
    • Unlimited number of network ports supported.
    • Ability to select the protocol type for each port (tcp, udp, etc.).
    • Supports incoming and outgoing connections.
    • It warns if a network port is not listening.
  • Users using the system (user.rrd)
    • Supports SSH/Login/Telnet, Samba and Netatalk.
  • FTP statistics (ftp.rrd)
    • Supports the log file format of ProFTPD and vsftpd servers.
  • Apache statistics (apache.rrd)
    • Including workers (busy and idle), CPU usage and requests/sec.
    • Unlimited number of Apache servers supported.
  • Nginx statistics (nginx.rrd)
    • Including connections (reading, writing, waiting), requests/sec and network traffic.
  • Lighttpd statistics (lighttpd.rrd)
    • Including workers (busy and idle), network traffic and requests/sec.
    • Unlimited number of Lighttpd servers supported.
  • MySQL statistics (mysql.rrd)
    • Query types per second:
      • Select.
      • Commit.
      • Delete.
      • Insert.
      • Insert_Select.
      • Update.
      • Replace.
      • Replace_Select
      • Rollback.
    • Percentage values of:
      • Thread cache hit rate.
      • Query cache usage.
      • Connections usage.
      • Key buffer usage.
      • InnoDB buffer pool usage.
    • Number of opened tables and table locks waited per second.
    • Number of queries and slow queries per second.
    • Number of connections, abort clients and abort connects per second.
    • Network traffic.
    • Unlimited number of MySQL servers supported.
  • Squid Proxy Web Cache statistics (squid.rrd)
    • Up to 19 result and status codes supported.
    • Overall requests (client, server, etc.).
    • Memory and disk storage usage.
    • IP cache use with requests, hits and misses.
    • Network protocols usage (HTTP, FTP, Gopher and WAIS).
    • Client and server network traffic.
  • NFS server statistics (nfss.rrd)
    • NFS v2, v3 and v4 supported.
    • Up to 30 defined requests supported.
    • Overall I/O bytes (read and written).
    • Network layer usage (TCP, UDP and TCPConn).
    • RPC usage.
    • Thread utilization.
    • Read cache usage.
    • File handle cache usage.
  • NFS client statistics (nfsc.rrd)
    • NFS v2, v3 and v4 supported.
    • Up to 32 defined requests supported.
    • RPC usage.
  • BIND server statistics (bind.rrd)
    • Unlimited number of BIND servers supported.
    • Incoming queries.
    • Outgoing queries (_default) view.
    • Name server statistics.
    • Resolver statistics (_default) view.
    • Cache DB RRsets (_default) view.
    • Memory usage.
    • Task manager.
  • NTP statistics (ntp.rrd)
    • Unlimited number of NTP servers supported.
    • NTP timing.
    • Stratum level.
    • Reference Identifier and Kiss-o'-Death Codes.
  • Fail2ban statistics (fail2ban.rrd)
    • Unlimited number of group of jails for monitoring.
    • Ability to define up to 9 jails per group or graph.
    • Ability to define a title for every group or graph of jails.
  • Icecast Streaming Media Server statistics (icecast.rrd)
    • Unlimited number of Icecast servers supported.
    • Current listeners.
    • Bitrate.
  • Raspberry Pi sensor statistics (raspberrypi.rrd)
    • Up to 9 different clock frequency.
    • Core temperature.
    • Voltages.
  • Devices interrupt activity (int.rrd)
    • APIC support with up to 256 different interrupts.
• Support monitoring of remote servers (Multihost).
  • Unlimited number of remote servers.
  • Ability to define the number of graphs per row.
  • Ability to hide the real URL of each remote server.
  • Ability to create groups of remote servers.
• Support monitoring of (as gateway) Internet traffic of LAN devices.
  • Unlimited number of LAN devices (PC, printers, networks, etc.).
  • Ability to define the number of graphs per row.
  • Ability to enable traffic monthly reports.
  • Ability to send individual traffic monthly reports.
  • Supported languages in reports: Catalan, German, English, Italian, Polish and Simplified Chinese.
• Alert capabilities supported.
  • CPU load average alert.
  • Root filesystem usage alert.
  • Activated when it reaches or exceeds a threshold value for an specified amount of time.
• Silent mode to be able to retrieve the graphs from scripts.
• Traffic statistics are stored in fixed-size databases (RRDtool).
• Ability to view statistics per day, week, month or year.
• Ability to view statistics in graphs or in plain text tables.
• Ability to zoom in any graph to see it in more detail.
• Ability to show network metrics in MBytes/sec or Mbits/sec.
• Ability to show temperatures in Celsius or in Fahrenheit.
• Web interface offers minimal learning, ubiquitous access.
• Configuration with only one text-plain file.
• Perl language based (lightweight tool).
• Simple built-in HTTP server, external web server is optional.
• Supported systems: GNU/Linux, FreeBSD, OpenBSD and NetBSD.