Posts By: jonny

DigiCert Certificate Inspector on CentOS 6

DigiCert Certificate Inspector

Installation on CentOS Download the 64-bit RPM: wget https://www.digicert.com/certificate-inspector/agent-pkg/digicertagent-x64.rpm Install the package: rpm -ivh digicertagent-x64.rpm Register the Agent You will need your DigiCert credentials to register the agent: /usr/bin/digicertagent register -desc “MyORG AName” Scan an Server /usr/bin/digicertagent scan -include servername.domain.tld:443 -analyze   Amend the Apache SSL Configuration for POODLE Vulnerability In the file used to… Read more »

Unlocking Active Directory Accounts using LDAP

I am using PHP with LDAP to manage some aspects of user accounts within Active Directory. One of the things I needed to do was to reset the accounts of users who had incorrectly entered their password too many times. Initially I thought that the ‘useraccountcontrol’ field was what I needed as this is used… Read more »

LDAPS Active Directory Issues with php-5.3.3-27.el6_5.2.x86_64

I upgraded a CentOS server today updating PHP from php-5.3.3-27.el6_5.x86_64 to php-5.3.3-27.el6_5.2.x86_64 This stopped a PHP web application I had written from being able to communicate with Active Directory over LDAPS. Normal LDAP appears to continue working fine but when I change my connections back to ldaps they stop working. To deal with the problem… Read more »

SSH Socks Proxy for Web Browsing Private Network

We were configuring OpenStack on a private 192.168 network and needed to use a web browser to browse to the OpenStack dashboard. The quickest easiest way to do that is by: ssh -D 8888 jonny@sshgateway From the ssh manpage: -D Specifies a local “dynamic” application-level port forwarding.  This works by allocating a socket to listen… Read more »

SSH config for SSH Proxy Hopping

I regularly need to connect to SSH hosts behind a firewall via a single SSH host with SSH access enabled. Since I am connecting to many hosts through this proxy SSH host I can make my life a little easier by adding some entries to my ~/.ssh/config file: If I add the following: Host internalhost… Read more »

MySQL: Give a User Grant Permissions

I needed to create a new MySQL user that would be able to create new users itself and grant permissions to the accounts that it creates. To do so I used the following: GRANT ALL PRIVILEGES ON *.* TO ‘subadmin’@’%’ WITH GRANT OPTION;    

Linux Mint 64-bit and Steam

I had the following error message on Linux Mint when trying to play a new game: This application requires either the GL_EXT_texture_compression_s3tc, or the GL_EXT_texture_compression_dxt1 + GL_ANGLE_texture_compression_dxt3 + GL_ANGLE_texture_compression_dxt5 OpenGL extensions. Please install S3TC texture support. Solved by installing the 32-bit libtxc as follows: sudo apt-get install libtxc-dxtn-s2tc0:i386  

Linux GPS Logging Data

I took part in a swim this weekend – The Battle of Carlingford Lough. My friend Cormac gave his Panasonic Lumix camera to Mary in the kayak and set the camera to log GPS data. He sent me the GPS log file and I opened the log file with BT747 – a Java application that… Read more »