t420 linux

Previously did not feel what the use of fingerprints on the notebook, and later inadvertently saw the fingerprint can boot. Try to use this function. It was a bit of trouble.1, the official website does not have the WIN10 fingerprint application software.Download the version of Win8, no problem after installation, you can log in to win10 use.2, boot or to press the power button, can not do cold start.Need a computer power off, unplug the battery and power, and then plug it in. This time, we foun

/15601409754830.jpg "style=" border:0px; "/>Enter, go inside will intle virtualization technology openDisable change to Enabled press F10 save reboot, then install 64-bit system will not error. 650) this.width=650; "Title=" Click to view Original "alt=" vmware03.jpg "border=" 0 "width=" 720 "height=" 405 "src=" http://beikeit.com/ Content/uploadfile/201409/thum-6ef91409754835.jpg "style=" border:0px;margin:5px auto; "/> T420 Test available: Resolve VM

　　Recently considered for silicone grease clear ash, in the online search for a long time t420 dismantling machine tutorials, always find, had to grope for their own dismantling, fortunately, before the demolition of a lot of machines, generally know the general pattern of dismantling machine. Below I will be my disassembly of the step one by one. First of all, let's take a look at this online shopping preparation tool: The more 7783 silicone grease

To T420 the newly installed CENTOS7 found the default configuration WiFi light is working flashing, a little dazzling, want to change to simple on when often light, off when the mode of the often darkTo add a configuration file:vi /etc/modprobe. d/wlanled.conf(name can be arbitrary)Add a line:Options Iwlwifi led_mode=1Note that the module name here is Iwlwifi, which is different for Centos7 's other distributions, such as Ubuntu IwlcoreHow to determin

Virtual machines cannot be too annoying. If you want to investigate something, you have to install a bunch of messy stuff on your computer. I thought it was a problem with the vmware version. I reinstalled the latest version, but I still couldn't.

1) check which wireless network card. 0 network controller: RealTek semiconduco., Ltd. rtl8188ce 802.11b/G/n WiFi adapter (Rev 01)Rtl8188ce and rtl8192ce shared the same driver2) download and install driverDownload compat wirless driver

CCCCcc:x:513:513::/home/ccc:/bin/ksh112.2 Modify information for existing users11.2.311.3 Group AccountIntroduction :11.4 managing group accounts11.6 Account Maintenance11.7 account Information Display permissions, owners, and ACLs 12.1 Setting file and directory permissions Example:-rw-r--r---rw-r--r--rwS r--r---rw-r-s R---rw-r--r-t420 s S T6 4 4 4 2 1 4600 2600 1600rw-: User owner's permission "R: Read w write"r--: Permissions for group ownersr--:

Tags: System ops LinuxBasic knowledge of computer playing:CPU (operator, Controller), memory, I/O (input device, output device)程序运行模式： 用户空间：user space,us （可执行普通指令） 内核空间：system space （可执行特权指令）POS：Postable Operating System 可移植操作系统 POSIX 可移植操作系统规范运行程序格式：Windows：EXE，库文件dll（dynamic link library 动态链接库）Linux：ELF，库文件so（shared object 共享对象）程序：指令+数据 指令：只读 数据：读写程序：算法+数据结构库调用，系统调用：允许被调用的程序；malloc() 申请内存空间；free() 释放内存空间；编程语言 汇编语言：微码编程（系统级程序员） 系统中某些于硬件相关的特有代码、驱动程序开发； 高级语言：C、C++

Linux services)It is important for Linux users. Disabling unnecessary services can make Linux run more efficiently, but not all Linux services can be disabled. After installing centos Linux today, we found that many services were started when

enabled, but some operating systems that require this technology must be enabled for virtualization to run.All the latest processors and motherboards support virtualization technology, check if your motherboard vendor is supported and know how to enable or disable VT in the BIOS. When virtualization technology is enabled on the motherboard, the operating system can detect it immediately.2. Where can I find virtualization Technology (VT) in the BIOS?First boot into the BIOS, the general machine

Linux-(2) Basic file operations in Linux, linux-linux In linux, everything is files, directories are files, and hardware is files. Therefore, basic file operations are especially important. 1. List the contents of the directory: Ls Parameters: -A: displays all files (includ

Logout Exit SystemGedit Text Editor ToolsUname–r View kernel version information, uname–a more detailsCat/proc/cpuinfo viewing CPUsCat/proc/meminfo Viewing memoryHostname Viewing host namesIfconfig eth0 view eth0 IP AddressAlias ls= ' ls–ll ' setting aliasesTo view the path of the current terminal: TTYView current Shell:echo $SHELLAll Shell:cat/etc/shells under the current systemView CentOS System hostname Format: Echo $PS 1Distinguish internal or external commands: Type CDWhich find the locatio

. As we all know,linux system everything is a file, so each process has its file descriptor, The Nginx process writes its own file descriptor to the Nginx.pid, and we need to tell Nginx to reopen a new log file (the configuration details of the log file can be seen here, simply by letting the log record what. So we need this directive:kill -USR1 `cat ${pid_path}`This instruction means: first cat to Nginx PID, is an integer, and then send the signal

Downloadwget http://.....tar.gzExtractTAR-ZXVF xxx.tar.gzcd XXX./configure--prefix=/usr/local/xxx--with-x=/usr/local/xCompileMakeInstallationMake installNginx Start/usr/local/nginx/sbin/nginx Stop/usr/local/nginx/sbin/nginx-s Stop Focus/usr/local/nginx/sbin/nginx-s Reload httpd start, shut down, restart/usr/local/http/bin/apachectl-k [Start | stop ...]Find processPs-ef|grep xxx The above describes the Linux installation software memorandum, i

Becoming a Senior Programmer proficient in Linux programming has always been the goal of many friends. According to statistics from chinacache, the monthly salary of Linux programmers in Beijing is 1.8 times that of Windows programmers, 2.6 times that of Java programmers, and 2.9 times that of Windows programmers. At the same time, the data shows that with the increase of work experience, the income gap bet

This series of articles summarizes Linux network stacks, including:(1) Linux Network protocol Stack Summary(2) Network multipart offload technology Gso/tso/ufo/lro/gro in non-virtualized Linux environment(3) QEMU/KVM Network multipart offload technology in virtualized Linux environment Gso/tso/ufo/lro/gro1.

1, what is Linux? To be exact, the Linux kernel (the core program of the system), whose kernel copyright belongs to Linus Torvalds, is issued under the GPL (GNU general public License) Copyright Agreement, and anyone can copy (copy) and modify ( Change), package distribution (distribute), sales, but can not add any restrictions at the time of distribution, and all the original code must be public, so anyone

After this period of time to learn, I also have a certain understanding of Linux, today this blog on the previous knowledge of a summary it.The previous Linux learning blog, from the top down is learning in-depth process, my blog link is as follows:First: Analysis of the Linux operating system how the computer starts and how it operatesChapter Two: Analysis of

as follows: 1) VI mytask.sh Enter the following command Date>>/home/mydate3 Cp/home/mydate3/root 2) Grant mytask.sh Execute permission chmod 744 MYTASK.S H 3) Crontab-e 4) Re-enter the command: * * * * * */root/mytask.sh. (3) How to terminate a task crontab-r means to terminate a task schedule. After the command is executed, the tasks in the crontab-e are removed. CRONTAB-L indicates which task schedules are currently in the list.2, the Linux proces

1.The number of files in/usr/include/Linux and/usr/src/Linux/include/Linux is notThe number of folders varies. For example, the/usr/include/Linux does not have the mosules folder, while the/usr/src/Linux/include/LinuxThis folder is available. /Usr/src/