Author Archives: Ajitabh
Until We Meet Again
To My Colleagues / Friends at ITC / BGI / Blackrock Today (16th Dec 2009) is my last day at ITC Infotech as I have decided to explore opportunities elsewhere in India. I would like to take this opportunity to … Continue reading
Posted in Personal, Work Life
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Creating VPNs with OpenVPN
Introduction A VPN is a set of tools which allow networks at different locations to be securely connected, using a public network as the transport layer. A VPN produces a virtual “dedicated circuit” over the internet and use cryptography to … Continue reading
Posted in FLOSS, Published Articles, Security
Tagged Networking, OpenVPN, Security, VPN
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Upgrade to php5 in CentOS 4
Recently one of my clients requested that he needs php5 on one of his production servers. The server runs CentOS 4.7 x86_64. I had recently migrated this server from RHEL 4.7 (see Migrating RHEL 4.6 to CentOS 4.6).
Locale Problems in Debian and Ubuntu
Recently I have been facing some issues with locales in Debian and Ubuntu based Xen based virtual servers. These typically appear while running the man command and apt-get or dpkg commands.
Migrating RHEL 4.7 to CentOS 4.7
Recently I was asked by one of my clients to convert their RHEL system to CentOS after their RHEL subscription expired. At the time of migration the server was running RHEL 4 update 7. Based on the current version, I … Continue reading