Linux

When the user sets bash, the error is to change the root bash to Bin/bash, note that it is not "/bin/bash"!. Then can not login root, also can not modify/etc/passwd. Resolution: 1, restart Ubuntu, then long press Shift into the Grub menu, 2, select

In writing cocos need to parse a file, but the file is GBK encoding method, and Cocos default is to use UTF-8 so need to transcode, this is found on the Internet code, but the original can not be used, which I modified. System Environment: Macmini

Http://blog.chinaunix.net/uid-20733992-id-3447120.htmlhttp://blog.chinaunix.net/space.php?uid=16480950&do=blog&id=103598See the original: http://www.cppblog.com/flashboy/articles/47012.html1, modify the user process can open the number of files

One: Linux multi-user multi-tasking introductionLinux/unix is a multi-user, multi-tasking operating system; Before introducing the Linux account and Account group management, the basic concepts of multi-user and multi-task operating system should be

In Linux, we often use "ps-ef|grep tomcat" to view the process as the result of using the command on the server I am working on:As you can see, there is a process for that command in addition to the 3 purple Tomcat.If you want to exclude the current

When we use Linux for a period of time, nature will not be satisfied to always work in a system that does not have any change, but rather a desire to continually upgrade its Linux as it does in Windows. On the other hand, Linux itself is an open

Yum (full name Yellow dog Updater, Modified) is a shell front-end package manager in Fedora and Redhat and SuSE. Based on RPM package management, the ability to automatically download the RPM package from the specified server and install, can

Http://www.cnblogs.com/peida/archive/2012/10/29/2744185.htmlThe CP command is used to copy files or directories and is one of the most commonly used commands in a Linux system. In general, the shell sets an alias, and when the file is copied at the

Under Linux is also supported FAT32, if the USB flash drive in the virus can be inserted into the Linux system for formatting more secure, the following describes how to format the U disk in Linux as a FAT32 methodFirst, execute FDISK-L view Linux

Below is the process of a public network host being hacked(The following records are fetched through the Prompt_command system environment variable) Nov 03:24:32 * * *: [euid=root]::[/root]#Nov 03:24:34 * * *: [euid=root]::[/root]#

Alarm when disk exceeds size#df View the first-level directory size, usage scale, file system mount point. The file size cannot be displayed. Statistics block usage.#du View the size of the file and the directory. Statistics file size added. If a

The problem is: After the installation of SendMail, start the service, send the message the first time to send a successful, after again no matter how to send No, change mailbox also not. After confirming that my message is sent in a format that is

Linux deploy tutorial Linux deploy is an App that can quickly install and run the Linux operating system on Android devices. It complies with the GPLv3 protocol. I have been using it for a while and talk about my use experience. The following Linux

Build a virtual private networkBuild Environment: 1. test environment requirements # cat/dev/net/tun if the command displays the following text, it indicates that the command passes: cat:/dev/net/tun: file descriptor in bad state 2. install

CentOS 7.1 RDO installation Liberty Problems and Solutions CentOS 7.1 RDO installation Liberty Problems and Solutions 1. RDO InstallationSudo yum update-ySudo yum install-y https://www.rdoproject.org/repos/rdo-release.rpmSudo yum install-y openstack-

Control the start and stop of the mono service in Linux. When the services in windows are deployed to Linux, we generally use Mono. service to start and stop. It is not easy to use because there are many parameters. So there is a Shell script.

Linux: alias takes effect permanently Alias allows you to use a shorter name to redefine Shell commands in Linux, thus simplifying command line input. If you often deal with the CLI, using alias will not only save time, but also improve

[In linux] RabbitMq installation and monitoring plug-in installation, linuxrabbitmq[Note that some commands not found are prompted during the installation process. Just run yum isntall.]Below is my close-up test under CentOS release 6.4.RabbitMq

High-end customization is the only way to make sublime an exclusive IDEPreface I have used some ides, such as eclipse and intelliJ. These ides are very intelligent and many plug-ins, but none of them are fuel-saving lamps-memory killer. What's more

Hunk/Hadoop: Best Performance practices Whether or not Hunk is used, there are many ways to run Hadoop that cause occasional performance. Most of the time, people add more hardware to solve the problem, but sometimes the problem can be solved simply