update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8.0_73/bin/javac 300 切换版本 update-alternatives --config java 在命令行显示的内容中选择需要的jdk版本的序号,2回车 update-alternatives --config javac javac选择同上 e.最后用java -version 和javac -version来检查一下版本,是...
update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8.0_73/bin/javac 300 切换版本 update-alternatives --config java 在命令行显示的内容中选择需要的jdk版本的序号,2回车 update-alternatives --config javac javac选择同上 e.最后用java -version 和javac -version来检查一下版本,是...
sh ./change-source.sh 这个是完整的日志: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 root@ubuntu-ataola-2:/home/ataola# ./change-sources.sh #=== change sources.list start ===# Input Your Ubuntu Version: 21.04 Your Ubuntu Version is 21.04 Hit:1 http://mirrors.aliyun.com/ubunt...
linux-tools-4.15.0-76 - Linux kernel version specific tools for version 4.15.0-76 linux-tools-4.15.0-76-generic - Linux kernel version specific tools for version 4.15.0-76 linux-tools-4.15.0-76-lowlatency - Linux kernel version specific tools for version 4.15.0-76 linux-modules-nvidia-39...
Don’t forget to change it back once you are done! Option 2: Copy the downloaded file to /usr/lib/jvm and do sudo /bin/sh jdk-6u38-linux-x64.bin -noregister 1. In either case, then set it as default. sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk...
原本配置的5g wifi 信道是149,启动会遇到set channel failed的问题,之前尝试过先连接其他wifi,再启动热点即可。但没有其他方法,因此更换了信道,经测试信道36可以正常启动。 但发现在连接过wifi的,信道36无法启动,https://www.zhihu.com/question/41997859,刚好看到一篇讨论不同国家5G wifi信道的区别,推测是系统配置的...
0", ATTR{queue/scheduler}="deadline"# set scheduler for rotating disksACTION=="add|change", ...
7、如何修改字段名:alter table tab_name change old_col new_col varchar(40); //必须为当前字段指定数据类型等属性,否则不能修改 8、create table new_tab_name like old_tab_name //用一个已存在的表来建新表,但不包含旧表的数据 * 数据的备份与恢复 ...
Ubuntu 16.04 LTS transitions into the extended security maintenance (ESM) support phase at the end of April 2021, and will supported until April 2026. ESM is available through Ubuntu Advantage for Infrastructure, Ubuntu Pro for AWS or Azure.
Make sure that the network is connected and configured correctly. For example, you must configure the DNS server on the Linux VDA.If you are using a Ubuntu Live Server, make the following change in the /etc/cloud/cloud.