Repeated Scroll on Ubuntu
Problem
scrolling in one application is repeated in another when switching between them using&nbs……
Repeated Scroll on Ubuntu Read More »
Ubuntu
ROS2 Intermediate Cheetsheet
Managing Dependencies with rosdep
https://github.com/ros/rosdistro
Creating an action
……
ROS2 Intermediate Cheetsheet Read More »
Useful Stuffs for Cloud Computing
Tmux
install
start new
attach
detach
list sessions
kill session
kil……
Useful Stuffs for Cloud Computing Read More »
Set different scale for different monitors on Ubuntu
In the display setting, toggle on the “Fractional Scaling” will allow you to have different scales o……
Set different scale for different monitors on Ubuntu Read More »
error while loading shared libraries: libstdc++-libc6.2-2.so.3: cannot open shared object file: No such file or directory
Problem
Executing binary file throws the error given in the title
Solution
In case the fi……
bash: ./binary: No such file or directory
Problem
The binary file exists in the directory, it has exec permission, but it doesn’t run and t……
bash: ./binary: No such file or directory Read More »
Run .ksh file in Ubuntu
Problem
The PISA package have a demo “run.ksh”, I would like to run it on my Ubuntu
Running it……
Run .ksh file in Ubuntu Read More »
Ubuntu分区拓展
缘由
刚开始给Ubuntu只分了20g的/和40g的/home，写了大半个学期代码，发现竟已用了百分之九十多，恰好前日两天三due结束，欲稍作歇息，于是着手拓展分区，并作此文
操作
……
Ubuntu: Set Scaling Factor to 200% Permanently
步骤
新建文件
文件内容如下
应用修改
原文
……
Ubuntu: Set Scaling Factor to 200% Permanently Read More »
卸载Ubuntu双系统
起因
之前安装了Ubuntu之后用了一会就很少用了。平时都是用虚拟机调试比较方便。再加上看见团队学长把Ubuntu装进了移动硬盘里面，想着这样大概可以随身携带一个Ubuntu很是方便。就决定把电……
gpg: no valid OpenPGP data found.
问题
如题
出现在执行下述命令设置密钥时：
解决方法
不知道为啥proxychains4貌似对curl无效，于是只能手动导入一下。
浏览器打开命令里面的地址，然后把显……
gpg: no valid OpenPGP data found. Read More »
使用BestTrace查看VPS的去程和回程
安装
使用
此处ipv4为目标服务器公网ip。测试去程的时候要在本地运行程序测试VPS，测试回程的话则是在VPS上运行程序测试本地。
……
使用BestTrace查看VPS的去程和回程 Read More »