Archive for July, 2011

Upgrade/update php to latest 5.2.17 in Linux

In a CentOS 5.5 host, we were required to upgrade php to its latest release which is 5.2.17 when writing this article. Again there are various options to do such upgrade and trying to install with the package manager (yum) is just one (aka easy) of them. You can also trying downloading latest source code and compile yourself to have better control but for ease of use, I’m updating php with yum here.

Again, you won’t find the latest PHP binaries in default repositories available with CentOS and to resolve that we need to have CentAlt repo (or other such repos like epel).

Fix ftp/vsftpd issues in Ubuntu server

This is a quick post describing some issues that you may face while installing/running vsftpd in Ubuntu host. I will quickly walk through steps, beginning with installation and then configuration for general purpose FTP access.

1. Install and run vsftpd without login shell

Most obvious thing while running a ftp server is to run it under non login shell. This is quite easy in Redhat based distro but here in Ubuntu, you need to do something extra also to enable users accessing ftp running under non login shell.

Install vsftpd server and start it:

$ apt-get install vsftpd
$ /etc/init.d/vsftpd start

Top 5 best and highly recommended books for linux/unix system admins

When an aspiring Linux system admin inquired me about some good books to read on this topic, I recommended few ones. I glad he liked few books and this gives me an insight to share the list with my blog readers. It definitely a challenging task to filter out 5 books from ocean. There are too many books which looks superior to each other but for the sake of preparing the list, I’ve selected my 5 favorites. Does it mean I think others are not good? Nope. It only means given a choice at a certain point of time, few books will pop up in your mind, which you think are better and that’s how the list get prepared.

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