With the help of the sar command, we can see the CPU utilization and other stats. 10. How to reduce or shrink the size of the LVM partition? Below are the logical steps to reduce the size of the LVM partition:
Before going any further, you should learn how to run commands as the superuser. You probably already know that you can run the su command and enter the root password to start a root shell. This practice works, but it has certain disadvantages: 在进一步操作之前,您应该学会如何以超级用户身份...
use umask 022 if you want everyone to be able to see all of the files and directories that you create, and use umask 077 if you don’t. (You’ll need to put the umask command with the desired mode
Command 1: pwd In Linux, everything is a file and we move here and there, in and out of directories. This practice eventually leaves us confused about where we stand. You should know the pwd command to see your present working directory. Command 2: ping Ping is an important command for...
The command is called cat because it performs concatenation when it prints the contents of more than one file. 当你运行这个命令时,cat会打印文件1、文件2以及你指定的其他文件(用...表示)的内容,然后退出。 cat命令之所以被称为cat,是因为当它打印多个文件的内容时,它执行了连接操作。 2.2.3 Standard ...
In brief, the tools work via the gcc command. This is the main driver for the compiler. It can be used from the command line to pre-process or compile a source file, link object files and libraries, or perform a combination thereof. By default, gcc takes care of the details and...
Improved the 'Run a Windows Command' application. Improved the 'Terminate Windows Applications' dialog. Improved support for 64-bit kernels. Improved support for the Flash and Shockwave Players. Application fixes: Major improvements in Outlook behavior; except for composing HTML mail, it seems to ...
Thesudo commandallows users to execute commands with administrative privileges. Usesudo -ito switch to a root shell. sudo -i 8. Make a New Directory Themkdir commandcreates a new directory with the specified name in the current location. ...
recording the physical device information in the order found. It is better practice to explicitly tell the kernel the physical I/O parameters. You can do this by supplying arguments to theparport_pc.omodule as you load it, or if you have compiled the driver into your kernel, using lilo to...
panics 25.5. handling detected problems handling detected problems 25.5.1. using the command line tool 25.5.2. using the gui 25.6. additional resources vii. kernel customization with bootloader kernel customization with bootloader 26. working with grub 2 working with grub 2 26.1. int...