疑难杂症

maven 包问题

❓

Unchecked runtime.lastError: The message port closed before a response was received.

原因：谷歌拓展程序问题

maven 下包中断，导致无法继续下载，需要删包重新下

👌

# powershell
for /r %i in (*.lastUpdated) do del %i
# bash
find . -name "*.lastUpdated" | xargs rm

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git status 中文显示乱码

👌

git config --global core.quotepath false

• https://askubuntu.com/questions/779251/what-to-do-after-failed-to-start-load-kernel-modules

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虚拟终端256色

❓

root@Tower:/mnt/user# nano
Error opening terminal: tmux-256color.

root@Tower:/mnt/user# tmux
missing or unsuitable terminal: tmux-256color

👌

export TERM=xterm

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挂载磁盘无法卸载

❓

root@Tower:/# umount /mnt/user
umount: /mnt/user: target is busy.

👌

root@Tower:/# fuser -kv /mnt/user
                     USER        PID ACCESS COMMAND
/mnt/user:           root     kernel mount /mnt/user
root@Tower:/# fuser -mv /mnt/user
                     USER        PID ACCESS COMMAND
/mnt/user:           root     kernel mount /mnt/user
                     root      17359 ..c.. tmux: server
root@Tower:/# tmux kill-server

参数说明：

-k, –kill kill 　　processes accessing the named file
-m, –mount 　　 show all processes using the named filesystems or block device
-v, –verbose 　　 verbose output

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硬盘删除文件后空间没释放

移动硬盘和硬盘是一样的，删除后是先到回收站的，这个时候空间是没有释放的，需要清空回收站才能继续往里面存储

而U盘之类的是不需要通过回收站直接删除

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深度学习 cuda包问题

python -c 'import torch;print(torch.__version__);print(torch.version.cuda)'

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nginx 无法重启

❓

nginx: [error] invalid PID number "" in "/opt/homebrew/var/run/nginx.pid"

👌

brew services restart nginx
nginx -s reload

mac m1 brew升级后icu4c跟着升级，导致启动不了mysql、postgresql

出现的报错

Can 't connect to local MySQL server through socket '/tmp/mysql.sock '(2)

navicat 报错

Can‘t connect to server on ‘127.0.0.1‘ (36)

日志报错

'/usr/lib/libicuuc.73.dylib' (no such file)

https://blog.csdn.net/qq_41037744/article/details/140265213

mysql进程杀不掉：

1. 注意顺序 mysqld_safe mysqld
2. brew services mysql stop

centOS

https://support.cpanel.net/hc/en-us/articles/24571139547415-Could-not-retrieve-mirrorlist-http-mirrorlist-centos-org-on-CentOS-7

‘kex_exchange_identification’

kex_exchange_identification: Connection closed by remote host