ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for

终端命令行报错,在常用的命令执行前添加 n /usr/local/bin

比如我们之前的命令用的是  sudo gem uninstal cocoapods  那么将该条命令替换为 sudo gem uninstal n /usr/local/bin cocoapods

注意n后面有一个空格

 

 

 

──(kali㉿kali)-[~] └─$ gem update bundler Updating installed gems Updating bundler Fetching bundler-2.6.5.gem ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /var/lib/gems/3.3.0 directory. /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:713:in `verify_gem_home' /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:903:in `pre_install_checks' /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:303:in `install' /usr/lib/ruby/vendor_ruby/rubygems/resolver/specification.rb:105:in `install' /usr/lib/ruby/vendor_ruby/rubygems/request_set.rb:195:in `block in install' /usr/lib/ruby/vendor_ruby/rubygems/request_set.rb:183:in `each' /usr/lib/ruby/vendor_ruby/rubygems/request_set.rb:183:in `install' /usr/lib/ruby/vendor_ruby/rubygems/dependency_installer.rb:251:in `install' /usr/lib/ruby/vendor_ruby/rubygems/commands/update_command.rb:247:in `update_gem' /usr/lib/ruby/vendor_ruby/rubygems/commands/update_command.rb:259:in `block in update_gems' /usr/lib/ruby/vendor_ruby/rubygems/commands/update_command.rb:258:in `each' /usr/lib/ruby/vendor_ruby/rubygems/commands/update_command.rb:258:in `update_gems' /usr/lib/ruby/vendor_ruby/rubygems/commands/update_command.rb:120:in `execute' /usr/lib/ruby/vendor_ruby/rubygems/command.rb:328:in `invoke_with_build_args' /usr/lib/ruby/vendor_ruby/rubygems/command_manager.rb:253:in `invoke_command' /usr/lib/ruby/vendor_ruby/rubygems/command_manager.rb:193:in `process_args' /usr/lib/ruby/vendor_ruby/rubygems/command_manager.rb:151:in `run' /usr/lib/ruby/vendor_ruby/rubygems/gem_runner.rb:52:in `run' /usr/bin/gem:12:in `<main>'
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