Tag Archives: Linux
Error unable to allocate 4160 bytes of shared memory
This note apply to Oracle Database Enterprise Edition – Version 11.2.0.1 to 11.2.0.3 Symptoms: The system appears to be running very slowly and defunct processes can appear. Errors are seen in the alert log or Trace log : 1. ORA-04031 ORA-04031: unable to allocate 4160 bytes of shared memory (“shared pool”,”unknown object”,”sga heap(1,0)”,”modification “) Incident […]
TRUSTED CERTIFICATES COULD NOT BE INSTALLED WITH OWM
This case is when we try to install the SERPRO trusted certificate “ACSERPROv2.cer” . This error is one BUG in OWM (Oracle Wallet Manager) follow bellow the solution : 1. Download patch 7352022 from metalink 2. Unzip the patch (e.g: linux) : unzip p7352022_10105_LINUX.zip 3. Apply the patch stopping the OAS: cd 7352022 […]
Tuning Linux OS Kernel Parameters for Oracle WebCache
This note is to increase the kernel parameters for better performance in tcp connection on Linux red-hat. First of all verify the system requirements to install WebCache in oracle.com, and check other required parameters like “kernel.sem” and “kernel.shmall”. Tuning: Add in /etc/sysctl.conf net.ipv4.nonlocal_bind = 1 net.ipv4.tcp_timestamps = 0 net.ipv4.tcp_max_tw_buckets = 2000000 net.ipv4.tcp_sack = 0 net.ipv4.tcp_window_scaling […]
How to solve the error – ADVM/ACFS is not supported on epel-release-5-4
This issue is about Oracle Database 11g Release 2 Grid Infrastructure installation on linux Red Hat 5 x86_64 The error “ADVM/ACFS is not supported on epel-release-5-4” is one bug related a installed packages. Bug Evidence – Look the packages (root user) rpm -qa |grep release Result: redhat-release-notes-5Server-36 epel-release-5-4 redhat-release-5Server-5.6.0.3 rpmforge-release-0.5.2-2.el5.rf NOTE: The Grid installation verify […]
How to install PHP5, GD and OCI8 for Oracle Application Server on linux
Steps for linux 32 bits : 0. Install rpm’s : httpd-devel – Development tools for the Apache HTTP server libjpeg – A library for manipulating JPEG image format files libjpeg-devel – libpng – A library of functions for manipulating PNG image format files libpng-devel – Development tools for programs to manipulate PNG image format files […]