26 articles tagged "kernel"

Linux: Should You Use Twice the Amount of Ram as Swap Space?

Linux and other Unix-like operating systems use the term “swap” to describe both the act of moving memory pages between RAM and disk, and the region of a disk the pages are stored on. It is common to use a whole partition of a hard disk for swapping. However, with the 2.6 Linux kernel, swap files are just as fast as swap partitions. Now, many admins (both Windows and Linux/UNIX) follow an old rule of thumb that your swap partition should be twice the size of your main system RAM. Let us say I’ve 32GB RAM, should I set swap space to 64 GB? Is 64 GB of swap space really required? How big should your Linux / UNIX swap space be?
Google Releases Android Mobile Platform As Open Source Project

Android is now open source software. Google open the entire source code including network and telephony stacks that were not available previously under a Apache license.
Linus Torvalds Blog

Linus is best known for Linux kernel and still active Kernel maintainer started blogging. So if you’re interested more about Linus and his life read Linus Torvalds’s blog here.
Troubleshooting Lighttpd Chrooted RedHat PHP Version 5.1.6-20.el5_2.1

It appears that latest php version 5.1.6-20.el5_2.1 under RHEL / CentOS Linux v5.2 has made some major changes. As a result choort jail setup using previous instructions no longer works. PHP is crashing with segmentation fault errors. So I had to trace php errors using strace command.
Linux: Display Japanese or Chinese Or Any Other Multilingual Text On The Console / Shell Prompt
Explains how to display multilingual text such as hindi, chinese, japanese, korean etc text on the console using framebuffer, and bterm applications under Fedora / RHEL / CentOS / Debian / Ubuntu Linux.
Security Update for Red Hat Linux Kernel
Red Hat has issued a security update for its kernel package. The patch plugs a critical flaw that Red Hat said attackers could use to take control of a vulnerable system.
Linux IPv6 Default Route Not Working
Linux kernel have a bug that affects the default route for ipv6 networking. Adding an extra route manually can solve the issue.
Security Alert: Ubuntu Linux kernel vulnerabilities
Multiple buffer overflows were discovered in the Ubuntu Linux kernel and can be corrected by upgrading your system to latest kernel version.
Download of the day: gNewSense GNU/Linux Distribution
A free as in freedom GNU/Linux distribution, that takes all the non-free blobs out of a rather popular distribution.
Ubuntu Linux Getting Ready For Average User
The latest beta of the popular Ubuntu Linux distribution offers updated features and good support for new Linux user. It appears that Ubuntu is getting ready for masses. From the article:
If there is a single complaint that is laid at the feet of Linux time and time again, it’s that the operating system is too [...]