#末尾输入以下内容(需要其它的arch源自行百度) [archlinuxcn] SigLevel = Optional TrustedOnly Server = http://mirrors.163.com/archlinux-cn/$arch Server = https://mirrors.ustc.edu.cn/archlinuxcn/$arch Server = https://mirrors.tuna.tsinghua.edu.cn/archlinuxcn/$arch
REGEDIT4 [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\FontSubstitutes] "Arial"="simsun" "Arial CE,238"="simsun" "Arial CYR,204"="simsun" "Arial Greek,161"="simsun" "Arial TUR,162"="simsun" "Courier New"="simsun" "Courier New CE,238"="simsun" "Courier New CYR,204"="simsun" "Courier New Greek,161"="simsun" "Courier New TUR,162"="simsun" "FixedSys"="simsun" "Helv"="simsun" "Helvetica"="simsun" "MS Sans Serif"="simsun" "MS Shell Dlg"="simsun" "MS Shell Dlg 2"="simsun" "System"="simsun" "Tahoma"="simsun" "Times"="simsun" "Times New Roman CE,238"="simsun" "Times New Roman CYR,204"="simsun" "Times New Roman Greek,161"="simsun" "Times New Roman TUR,162"="simsun" "Tms Rmn"="simsun"
Linux Deploy是一款可以在Android设备上部署Linux环境的应用,其原理大概是在Android的Linux层跑一个chroot或者proot容器,然后再在容器中运行我们准备好的另外一个Linux系统。值得注意的是,这与我们熟知的虚拟机技术不同,新的Linux系统将和Android系统平行运行(非专业解释不要深究)。
1、JDK : Java Development ToolKit(Java开发工具包)。JDK是整个JAVA的核心,包括了Java运行环境(Java Runtime Envirnment),一堆Java工具(javac/java/jdb等)和Java基础的类库(即Java API 包括rt.jar)。
1、JDK : Java Development ToolKit(Java开发工具包)。JDK是整个JAVA的核心,包括了Java运行环境(Java Runtime Envirnment),一堆Java工具(javac/java/jdb等)和Java基础的类库(即Java API 包括rt.jar)。
root@Debian:~# apt search openjdk #比如我安装11和17 root@Debian:~# apt install openjdk-11-jdk -y && apt install openjdk-17-jdk -y root@Debian:~# which java /usr/bin/java root@Debian:~# ls -l /usr/bin/java lrwxrwxrwx 1 root root 22 May 17 17:27 /usr/bin/java -> /etc/alternatives/java root@Debian:~# ls -l /etc/alternatives/java lrwxrwxrwx 1 root root 43 May 17 17:27 /etc/alternatives/java -> /usr/lib/jvm/java-11-openjdk-amd64/bin/java
#用apt安装的不需要用update-alternatives --install 来添加链接,因为它自己会自动添加的 root@Debian:~# update-alternatives --display java java - auto mode link best version is /usr/lib/jvm/java-17-openjdk-amd64/bin/java link currently points to /usr/lib/jvm/java-17-openjdk-amd64/bin/java link java is /usr/bin/java slave java.1.gz is /usr/share/man/man1/java.1.gz /usr/lib/jvm/java-11-openjdk-amd64/bin/java - priority 1111 slave java.1.gz: /usr/lib/jvm/java-11-openjdk-amd64/man/man1/java.1.gz /usr/lib/jvm/java-17-openjdk-amd64/bin/java - priority 1711 slave java.1.gz: /usr/lib/jvm/java-17-openjdk-amd64/man/man1/java.1.gz #切换java root@Debian:~# update-alternatives --config java
Press <enter> to keep the current choice[*], or type selection number: 1 update-alternatives: using /usr/local/JDK/jdk8 to provide /usr/local/JDK/ (java) in manual mode update-alternatives: warning: not replacing /usr/local/JDK/ with a link root@ubuntu:~# java -version java version "1.8.0_361" Java(TM) SE Runtime Environment (build 1.8.0_361-b09) Java HotSpot(TM) 64-Bit Server VM (build 25.361-b09, mixed mode)
npm-windows-upgrade npm-windows-upgrade v6.0.1 ? Which version do you want to install? 8.13.2 Checked system for npm installation: According to PowerShell: D:\nodejs According to npm: D:\nodejs Decided that npm is installed in D:\nodejs Upgrading npm... |
Upgrade finished. Your new npm version is 8.13.2. Have a nice day!