Linux Section Index | Page 5

Linux 2.2.x kernels allow control of the maximum number of open files through the /proc/sys/fs/file-max pseudo-file. Read that file to see the current limits; write a new value to it to change the...more

You can build a custom kernel with higher limits. In the include/linux/tasks.h file within a kernel source tree, you can increase the total number of system tasks (the NR_TASKS variable) up to 409...more

Java doesn't tend to expose OS-specific features like shared memory. You always have the option to allocate, manage, and use blocks of shared memory within JNI code (see the native shmget() and re...more

Linux is a Unix-like operating system created by Linus Torvalds. The kernel and main systems libraries are distributed under the GNU Public License, one of the most popular of the Open Source lic...more

You probably won't find universal agreement on an answer, but the Sun JDK1.3 does claim to target client-side performance with the HotSpot JIT. Unless you launch with the -server option, you'll be...more

You probably won't find universal agreement on an answer, but the Sun JDK1.3 does claim to target server-side performance with the HotSpot JIT when you launch with the -server option.more

How can I fix the error: "Font specified in font.properties not found +[--symbol-medium-r-normal--*-%d-*-*-p-*-adobe-fontspecific]"?

The Sun AWT classes on Unix and Linux have a dependence on the X Window System: when you use the classes, they expect to load X client libraries and be able to talk to an X display server. This ma...more

The Linux /proc file system provides extensive access to information about the system and individual processes. Some examples: /proc/cpuinfo describes the CPU /proc/meminfo describes current memo...more

Yes... the trick is not to get confused about which one you are using. There are basically three environment variables that are important in choosing your Java environment: PATH controls where ex...more

This is usually caused by having Kaffe installed on your system in addition to the Sun JDK - Kaffe's versions of java, javac, appletviewer and such do not support the full JDK1.2 spec, and may rep...more

Just-in-time compilers are available for Linux on x86 and Alpha platforms. For x86, there are two open-source and two commercial (no-charge) compilers: The open-source tya compiler can be built f...more

Any IDE that runs on the Java platform should work with Linux. Popular offerings on Linux include Inprise JBuilder, Sun Forte, NetComputing's AnyJ, and DataRepresentation's Simplicity. For those ...more

There are many products which support servlets on Linux. Most of them operate either in a standalone mode (acting as both web server and servlet engine) or as a back-end servlet engine plugging i...more

Yes. The Gnu Compiler for Java generates native code from Java sources or classfiles. The runtime environment for these executables is not fully JDK1.2-compliant, but it is usable and constantly i...more