python3

https://www.cnblogs.com/paperpen/p/11312671.html 以下全部是对于文章里面的报错的解决办法

----------------------------------------------------------centos7---------------------------------------------------------------------

linux rhel7下安装python: https://www.cnblogs.com/xiaobingqianrui/p/9646158.html

centOS安装python3: https://blog.csdn.net/u010510962/article/details/80690084

python各版本下载（长期更新）: https://www.cnblogs.com/cuteyuchen/p/11838516.html

Linux报错：bash: pip: command not found：https://www.cnblogs.com/wujf-myblog/p/9644278.html

python pip 不能用报错: ImportError: No module named _internal: https://www.bbsmax.com/A/B0zqMrLnzv/

解决： Linux – git: command not found: https://blog.csdn.net/jiangyu1013/article/details/80853450

centos 7 安装maven 详细过程: https://blog.csdn.net/xiaolinlangzi/article/details/83056698

CentOS安装Maven: https://blog.csdn.net/cynhafa/article/details/89854936

linux报错：export `=' not a valid identifier的一般原因:https://blog.csdn.net/csm201314/article/details/79469640

报错解决：which: no javac in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin): https://blog.csdn.net/qq_44895681/article/details/105515025

CentOS7安装Java还是无法使用javac: https://www.cnblogs.com/flyfish2012/p/9527792.html + https://blog.csdn.net/qq_43679627/article/details/84033065

有意思的文章（linux用yum安装jdk或yum组安装jdk只有java命令没有javac命令）：https://blog.csdn.net/csdn_java_wxy/article/details/52251259

常规问题解决： File "/usr/libexec/urlgrabber-ext-down", line 28：https://www.cnblogs.com/Trees/p/7497268.html

centos 7 的yum install出现Exiting on user cancel：https://www.cnblogs.com/rwxwsblog/p/5753802.html?utm_source=itdadao&utm_medium=referral

----------------------------------------------------------------kali----------------------------------------------------------

Kali linux中安装pip3: https://blog.csdn.net/Fly_hps/article/details/81214688

linux(kali)开启ssh端口服务：https://blog.csdn.net/qq_37458055/article/details/75205282 注意只能xshell打开，不能用secucrt。

ubuntu16.04安装maven:https://blog.csdn.net/qq_24091555/article/details/76039475 我把ysoserial安装在桌面，把maven安装在/opt/下。很奇怪，我的mvn只能在/opt/maven/下执行，在/root/桌面/ysoserial/下识别不了。

报错

maven报错 the goal you specified requires a project to execute but there is no POM in this direct: https://blog.csdn.net/ypp91zr/article/details/79268998

------------------解决：cp /root/桌面/ysoserial/pom.xml /opt/maven/

插件org.apache.maven.plugins：maven-compiler-plugin：3.5.1或其依赖项之一无法解析：无法在org.apache.maven.plugins：maven-compiler-plugin：jar：3.5.1上收集依赖项：https://www.cnblogs.com/liaojie970/p/5509760.html