Study: Software(SW)

[Error fix] Solved 'symbol lookup error: /opt/ros/foxy/lib/robot_state_publisher/robot_state_publisher: undefined symbol: _ZNK12class_loader11ClassLoader14getLibraryPathB5cxx11Ev'(Ubuntu 20.04, ros noetic, ros2 foxy)

# Problem I use ros2 foxy with ubuntu 20.04 and tried to below command: $ ros2 launch turtlebot3_gazebo turtlebot3_house.launch.py [INFO] [launch]: All log files can be found below /home/sjchoi/.ros/log/2023-08-30-15-07-57-052486-sjchoi-Prestige-15-A10SC-18974 [INFO] [launch]: Default logging verbosity is set to INFO urdf_file_name : turtlebot3_waffle.urdf [INFO] [gzserver-1]: process started wi..

[Error fix] Solved 'The repository 'https://packagecloud.io/shiftkey/desktop/any any InRelease' is not signed.': The following signatures couldn't be verified because the public key is not available

# Problem when I was entered the command, I got a that Error(E): $ sudo apt update Hit:1 http://packages.microsoft.com/repos/code stable InRelease ... Get:10 https://packagecloud.io/shiftkey/desktop/any any InRelease [24.4 kB] Hit:12 http://packages.ros.org/ros/ubuntu focal InRelease Err:10 https://packagecloud.io/shiftkey/desktop/any any InRelease The following signatures couldn't be verified b..

[Error fix] Solved 'error: RPC failed; curl 55 Failed sending data to the peer' & 'error: RPC failed; HTTP 500 curl 22 The requested URL returned error: 500'

# Problem When I typinig 'git push', following this error: $ git push ... error: RPC failed; curl 55 Failed sending data to the peer # Solution 1. git config --global http.postBuffer 524288000 오류의 원인은 git config에서 설정한 http.postBuffer 값보다 크기가 큰 파일이 포함되어 있었기 때문이었습니다. 단일 파일 최대 허용 크기를 500MB로 넉넉하게 설정해주어 해결될 수 있습니다. 하지만, 저는 다음과 같은 문제가 발생하였습니다. $ git push ... error: RPC failed; HTTP 500 curl 22 The req..

[Error fix] Solved 'systemctl status docker Active: failed (Result: start-limit-hit)'

# Problem When I trying to "docker-compose up -d", I got a that Issue. $ docker-compose up -d Creating network "minio_default" with the default driver ERROR: Failed to Setup IP tables: Unable to enable SKIP DNAT rule: (iptables failed: iptables --wait -t nat -I DOCKER -i br-fead109e5a90 -j RETURN: iptables: No chain/target/match by that name. (exit status 1)) # Solution And.. I just tried again,..

[Error fix] Solved 'error: update_ref failed for ref': Troubleshooting most remote branch to local branch relationships(feat. local branch clean-up, git branch)

# Problem When I pushed the commit, I got a that message: error: update_ref failed for ref 'refs/remotes/origin/feature/CLS-48-robot': Cannot update the ref 'refs/remotes/origin/feature/CLS-48-robot': unable to append to .git/logs/refs/remotes/origin/feature/CLS-48-robot: Permission denied # Solution i) updata ref header $ git update-ref refs/remotes/origin/feature/CLS-48-robot b54cdd0e2f475ca81..