Rrd cacti not updating

For each interface we use SNMP to monitor byte counters, unicast, broadcast, and multicast packet counters, and interface errors.There are other SNMP variables monitored, but the majority of our monitoring is looking at these variables on the edge of the network.While RRDtool performs very well for small- and medium-sized installations, the RRD update mechanism requires a surprising number of I/O syscalls for each operation.These syscalls, in turn result in cache-unfriendly (random-seeming) I/O access, which defeats most OS and hardware caching algorithms.This amounts to about 500,000 snmp variables being monitored.

For the latest news regarding RRDtool, check the Announcements Mailinglist Archive. NOTE: The content of this website is accessible with any browser.

The easiest method to update the path is to create a symbolic link within Ubuntu. Once emptied, we will create a symbolic link pointing to the original location setup by Ubuntu’s apt repository.

First, we should verify that the existing rra directory is empty. As you can see, the existig location is at /var/lib/cacti/rra.

# yum install php-mysql php-pear php-common php-gd php-devel php php-mbstring php-cli --------- On Fedora 22 releases --------- # dnf install php-mysql php-pear php-common php-gd php-devel php php-mbstring php-cli Loaded plugins: fastestmirror, langpacks epel/x86_64/metalink | 4.7 k B epel | 4.4 k B (1/2): epel/x86_64/group_gz | 250 k B (2/2): epel/x86_64/primary_db | 4.0 MB (1/2): epel/x86_64/updateinfo | 315 k B (2/2): epel/x86_64/pkgtags | 1.4 MB Loading mirror speeds from cached hostfile * base: centos.* epel: * extras: centos.* updates: centos.Resolving Dependencies -- Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================================================================= Package Arch Version Repository Size ============================================================================================================================================================================================= Installing: cacti noarch 0.8.8b-7.el7 epel 2.1 M Installing for dependencies: net-snmp-utils x86_64 1:5.7.2-18.el7 base 195 k rrdtool x86_64 1.4.8-8.el7 base 368 k Transaction Summary ============================================================================================================================================================================================= Install 1 Package ( 2 Dependent packages) Total download size: 2.7 M Installed size: 7.2 M Is this ok [y/d/N]: y Downloading packages: (1/3): net-snmp-utils-5.7.2-18.el7.x86_64| 195 k B warning: /var/cache/yum/x86_64/7/epel/packages/cacti-0.8.8b-7.el7.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 352c64e5: NOKEY==============- ] 56 k B/s | 2.4 MB ETA Public key for cacti-0.8.8b-7.el7.is not installed (2/3): cacti-0.8.8b-7.el7.| 2.1 MB (3/3): rrdtool-1.4.8-8.el7.x86_64| 368 k B --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 16 k B/s | 2.7 MB Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7 Importing GPG key 0x352C64E5: Userid : "Fedora EPEL (7) " Fingerprint: 91e9 7d7c 4a5e 96f1 7f3e 888f 6a2f aea2 352c 64e5 Package : epel-release-7-5.noarch (installed) From : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7 Is this ok [y/N]: y Running transaction check Running transaction test Transaction test succeeded Running transaction Warning: RPMDB altered outside of yum.

Installing : rrdtool-1.4.8-8.el7.x86_64 1/3 Installing : 1:net-snmp-utils-5.7.2-18.el7.x86_64 2/3 Installing : cacti-0.8.8b-7.el7.noarch 3/3 /var/tmp/rpm-tmp.m R0t1v: line 1: fg: no job control warning: %post(cacti-0.8.8b-7.el7.noarch) scriptlet failed, exit status 1 Non-fatal POSTIN scriptlet failure in rpm package cacti-0.8.8b-7.el7.noarch Verifying : 1:net-snmp-utils-5.7.2-18.el7.x86_64 1/3 Verifying : rrdtool-1.4.8-8.el7.x86_64 2/3 Verifying : cacti-0.8.8b-7.el7.noarch 3/3 Installed: cacti.noarch 0:0.8.8b-7.el7 Dependency Installed: net-snmp-utils.x86_64 1:5.7.2-18.el7 rrdtool.x86_64 0:1.4.8-8.el7 Complete!

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Generally, it is used to graph time-series data of metrics such as network bandwidth utilization, CPU load, running processes, disk space etc.

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