Shulou(Shulou.com)06/02 Report--

Due to the recent Microsoft for copyright protection, for the company to increase revenue and reduce expenditure, studied Ubuntu 18.0.4, I installed on the DELL latitude series and Inspiron series machines have tested, perfect compatibility (daily office without any problems). First of all, when it comes to installation, both models need to change the BIOS,latitude boot press F2, select the System Configuration option to find the SATA Operation option, and then select the AHCI option (default is RAID). Inspiron series machine I boot near BIOS,Setting Secure Boot next level Secure Boot Enable options to change the Enable to Disable (default is Enable), install netstat command sudo apt-get install net-tools installation vim sodo apt-get install vim installation needless to say, mainly talk about the things after installation, I install in English Need to install Chinese input method (losers use Pinyin, install Sogou Pinyin input method), 1, install fcitx input framework sudo apt install fcitx or search the app store for fcitx, install Fitx and Ficx Configuration 2, download Sogou Pinyin input method (Linux version) in the browser Download 3 according to your own system, double-click under the image interface to execute 4, install 5, and enter the "Settings" Settings after successful installation. In the upper right corner of the system 6, Region&Language region and language-- Manage Installed Languages manages the installed language-- Keyboard Input Method System keyboard input method system selects "fictx"-- Apply System-wide is applied to the entire system (will be logged out directly after application 7. Click the keyboard icon in the upper right corner of the desktop-- Configure Current Input Method to configure the current input method-- click the + icon-- remove the hook in front of Only Show Current Language (show only the current language)-- find Sogou Pinyin-- and click the "OK" button [keep the original Keyboard-English (US)] 8. Switch between Chinese and English is a Ctrl+ space. (shift is a Chinese-English switch) install printer 1, click "Settings" Settings 2 in the upper right corner, select Devices device 3, Printes printer-- Add add-- input printer IP--jetdirect-printer--Add--FUJI XEROX--Fuji Xerox install chrome browser sudo wget http://www.linuxidc.com/files/repo/google-chrome.list-P / etc/apt/sources.list.d/ wget-Q-O-https://dl.google.com/linux/linux_signing _ key.pub | sudo apt-key add-sudo apt update sudo apt install google-chrome-stable can open the browser in the repository. The number of configuration handles (if used as a server) The number of handles determines the number of connections. The default is ubuntu 20 Ulimit-n # View number of handles modify configuration sudo vim / etc/security/limits.conf # add the following four lines * hard nofile 204800 * soft nofile 204800 * hard noproc 204800 * soft noproc 204800 sudo vim / etc/systemd/system.conf # add the following sentence to DefaultLimitNOFILE=204800 restart to take effect Ulimit-n # View change results Uninstall and remove online users: if you want to ssh to connect to ubuntu, you need to install openssh-server sudo apt-get install openssh-server WMY-View the online user pkill-KILL-t pts/0 # pts/0 the user terminal number seen for the w instruction

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