E: Unable to get lock/var/lib/dpkg/lock-open (11: Resource is temporarily unavailable)
E: Unable to lock the admin directory (/var/lib/dpkg/), is there another process taking it?
Logically this problem is apt-get is occupied after the result of
This paper introduces a method of using Linux firewall software package to construct soft routing, which provides a simple and safe way to interconnect intranet and extranet. Linux firewall built soft routes, mainly through IP address to control
I. Preparation of knowledge
1. ISO documents
Our commonly used ISO file refers to the entire CD-ROM (ISO-9660 file system) content
The image is a complete copy of the entire disc from the 0 sector to the last sector, and is often used for
Content Summary
Taking the RedHat9.0 and i386 platforms as an example, this paper analyzes the entire Linux boot process from the user powering up to the command prompt at the screen. It also introduces the various files involved in startup.
• First lesson what is Linux
• Why the second lesson uses Linux
• The third Lesson Linux Overview
• Lesson four Linux Development
• Lesson Five Linux Features
• Sixth lesson the difference between Linux and other operating systems
• The
A. Start, shutdown, login, log out related commands
Login
Log Out
Log Out
Stop System
Stop System
reboot
Power off
write the contents of memory to disk
Install Lilo startup management Program
Install Lilo startup management
Ubuntukylin and Sogou cooperation let Ubuntu Input method to upgrade several grades, for Ubuntu brought unprecedented input experience, of course, this is just a beginning, Ubuntu Sogou Input method is still improving.
This updated version mainly
One: The principle: Soft routing refers to the use of desktop or server with software to form a routing solution, mainly by software settings, to achieve the function of the router. Soft routes are typically used by ordinary computers, using a
Win7 added a lot of useful features, but the default did not open it, today, briefly on the Next WIN7 NFS features, through this feature, you can let Win7 share Linux below the disk partition or directory data, this function can only be achieved
This problem is really handled for an afternoon, but also to download the latest kernel to compile, in fact, is completely unnecessary, because the Ubuntu system can directly download the new kernel.
You can find these kernel folders under
When unknown symbol is used in Export_symbol under Linux 3.8.0, the exported variable external module cannot be used when compiling!
Solve:
1. Put the mod_1 module.symvers into the mod_2 's current path, thus compiling mod_2, the symbolic
Sometimes you need to see how long the Linux system is running, when you need to know the last boot up time, and sometimes because of a power outage or a power failure, you need to see Linux boot time/restart time; Here's a summary of how to view
A data, two transmission ways to collect.
One data: Multiple data acquisition nodes or multiple sources
Two ways: one is to copy data from multiple collection nodes or multiple data sources, and merge into one file.
The other is that multiple
Because most of the online Chinese description bootchart tools are outdated, so there is also the production of this diary.
Bootchart is a handy tool for analyzing Linux startup processes, the results of this tool can be used as a reference for
This installation method supports most Linux distributions under the example of CentOS 6.3!
Recently because of learning needs, so I think in their own notebook with a centos to facilitate learning! After several attempts, it has been installed
Start of the Nginx
/usr/local/nginx/sbin/nginx-c/usr/local/nginx/conf/nginx.conf
Where the-c parameter specifies the configuration file path.
The stop of the Nginx
Nginx supports the following kinds of signal control:
-TERM, INT quick Close
-QUIT
The way SED handles text
When the SED processes the text, it reads the first input row, applies the edit command to the input line, reads the next input line, and applies the edit command. SED always handles the latest version of the row, so when
/bin/The binary file commands are available to ordinary users
Sbin binary commands are available to Superuser root
Ordinary users also want to use the Sbin files can be achieved by sudo:
The default normal user is not available:
Tip: not large
How to modify the directory, first open the terminal, in the terminal to enter the command:
Export Lang=en_us
Xdg-user-dirs-gtk-update
This time will pop up a configuration interface to indicate whether to switch Chinese directory to English
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