Centos 6 – Curl , SSL and Illegal Instruction error

Published on Author gryzli

The “Illeagal Instruction” problem If you recently started to see errors like “illegal instruction” while trying to execute different web accessing scripts/binaries (like curl httpS://example.com), then most probably your Centos 6  NSS package was just updated.   The impact of this bug is enormous, because every single HTTP library which uses nss,openssl for maintaining HTTPS… Continue reading Centos 6 – Curl , SSL and Illegal Instruction error

Nagios Core + Nagios plugins basic install from source on Centos 6.x

Published on Author gryzli

Download nagios core source In my case the latest stable nagios is nagios-4.0.8 Here’s the URL: http://www.nagios.org/download/core/thanks/?t=1414494536   Install some dependecy packages yum install httpd php gd gd-devel gcc glibc glibc-common openssl perl perl-devel make mailx   Create nagios user/groups useradd nagios groupadd nagcmd usermod -a -G nagcmd nagios   Untar the source and install… Continue reading Nagios Core + Nagios plugins basic install from source on Centos 6.x