Linux

Installation of Linux CCache tools Linux compile FFmpeg, there will be no ccache command problems, this article records their own "./ffmpeg-android.sh:line 121:ccache:command not found" solution. ccache Download Decompression Compiling the

Article See also:http://www.parallellabs.com/2010/01/31/pthreads-programming-spin-lock-vs-mutex-performance-analysis/ Summarize(1) The mutex is suitable for the scene with very frequent lock operation, and has better adaptability. Although it will

This article will explain in detail how to install Tomcat,tomcat on a Linux system without 32-bit and 64-bit points. Download Tomcat First of all, we must first download the Tomcat installer, I downloaded is:Install Tomcat upload Tomcat's

Today, as you enter the Linux system, the GRUB boot prompts for error 15, and then it is stuck directly there. Repair with system disk Grub>root (hd0,10)//My Computer is this number Grub>setup (hd0) Grub>quit The thought was due to a grub loss,

PS Static view of a moment process, ps-ef view all processes,-e for all processes,-F for full format output,-H for output-level structure,--forest display process hierarchy, and ascil to send out lovely charts Top shows all processes in real time

1. Find the process number for the process You can use the command: PS aux|grep process name, to find the corresponding process number, generally shown in the second example, note: The results show that there are often many similar or identical

Ctrl+u: To file the first half screen; Ctrl+d: Turn to the end of the file half screen; CTRL+F: Flip a screen to the end of the file; Ctrl+b: The first turn to the file a screen; ESC: Switch from edit mode to command mode; ZZ: Command mode to save

We may experience disk partitioning during Linux operations. This article is a partition of the/DEV/SDB disk. The Linux partition is different from the Windows,linux hard disk device name (IDE hard disk is HDX (x is a-d) because the IDE hard disk is

With a lot of references, here's a summary of the best answer I've got (for my needs), but there are bugs, I'll point out later. Here's my bash script to prevent multiple repeat mounts, and I believe I can see that: [Zcm@vm-fedora20 share]$ cat

First, configure the kernel Device Drivers--->mmc/sd/sdio card support--> -->secure Digital Host Controller Interface Support -->SDHCI support on Samsung s3c SoC Two 1. Add header file in mach-smdkv210.c #include 2. Add Platform Data #ifdef

About the Linux under Tmp folder, just as the TMP temporary file Temp folder. (1) Since it is a temporary folder, then the contents of this folder will be cleared, then why I restart the computer after the contents of this folder will still exist.

Deadlock In a multiprogramming system, multiple incoming programs execute concurrently, sharing system resources, thereby increasing resource utilization and system throughput, but a dangerous----deadlock may occur. The so-called deadlock, refers

Ethtool # Ethtool ETHX //Query ETHX network Basic Settings # Ethtool–h //Display Ethtool command help # ethtool–i ethx // Query ETHX Network port Information # ethtool–d ETHX //Query ETHX port registration Information # ETHTOOL–R ETHX /

Step One: View users on Linux systems All users in the system hold files as/etc/passwd, which can be opened by the "vim/etc/passwd" command. The first is the username: it uniquely identifies a user account. The second is an encrypted password: the

Custom kernel startup logo (image resolution size below screen size) (1) sudo apt-get install netpbm (first let Ubuntu surf the Internet) (2) PNGTOPNM Logo.png | Ppmquant-fs 224 | PNMTOPLAINPNM > logo_linux_clut224.ppm (3) Replace the source

4. Upper half and lower part 1 Why should be divided into the lower half of Game of speed and function. As mentioned above, interrupt handlers are interrupted by other people's operations, so run as fast as you can. But I want to try to do a great

Borrow a blog http://www.cnblogs.com/vitah/p/4289565.html Windows disk partitioning problem (disorderly expression can understand on line):Windows has a maximum of 4 primary partitions on the same hard disk, which can be viewed by the partition

Solution to the lack of a connection library when Linux executes programsThe following error is prompted if the connection library is missing when Linux executes the program:Error while loading shared Libraries:xxx.so.0:cannot open Shared object

1. The concept of interruption Interrupts are essentially a special electrical signal that is sent to the processor by a hardware device. When the processor receives the interrupt, it immediately reflects the arrival of the signal to the operating

How to understand that an interrupt handler can use a spin lock: My understanding is that the interrupt handler can share a resource with the process being performed by the current processor, while the protection mechanism for the shared resource