At the upcoming Hot Chips Conference in late August, Oracle, IBM and Fujitsu are all set to announce the release of new high-performance Unix chips. Oracle is leading the charge, with the expected announcement of its new SPARC M6, which Oracle describes as a “next-generation processor for massively scalable symmetric multiprocessor data center servers”. SPARC […]
Protecting files from unwanted deletion is very important security on the tasklist of Unix Administrators. On Linux boxes you can use the chattr command and that works ine on all my Ubuntu based servers. On FreeBSD, this command doesn’t exist. An alternative we use is the chflags command. Let’s give you some examples how chattr work […]
nginx (pronounced “engine x”) is an open-source web server and a reverse proxy server for HTTP, SMTP, POP3, and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage. It is licensed under a BSD-like license and it runs on Unix, Linux, BSD variants, Mac OS, Solaris, AIX, HP-UX, and Microsoft Windows. My test server details: root@FreBSD-Unixmen:/root # uname -a FreeBSD FreBSD-Unixmen 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4 09:23:10 UTC 2012 root@farrell...
Did you know that Unix and Linux has no concept of a file extension? What is a file name extension? A .txt extension tells us that it is a TEXT file and .pdf extension tells us that it is a PDF file. By following this logic, you understand that a file name extension is the […]
My intent is to introduce new Linux users to the Linux command line shell and make them feel comfortable with the command line environment. What does it happen when you click a button with your mouse? When you click a button a command is executed and interpreted by the shell. What is a shell? A […]
This article is for people that have good knowledge in Python and want to learn and practise new skills and do some network basics. Information about sockets is very important when using Python for network scripting. Before we can create and use sockets we have to import the socket library as we explained and showed […]