环境1：腾讯云上ubuntu 24.04  虚拟主机

• # cheat ps   　　//系统反馈：bash: cheat: command not found
• #apt-get install  cheat   //系统反馈：E: Unable to locate package cheat
• #apt update  //系统反馈：274 packages can be upgraded. Run 'apt list --upgradable' to see them.
• #apt  apt install python3-pip   //系统反馈：python3-pip is already the newest version (24.0+dfsg-1ubuntu1.3).
• #pip3 install cheat     //系统反馈：error: externally-managed-environment
• #pip3 install cheat --break-system-packages    //系统反馈：Successfully installed cheat-2.5.1 docopt-0.6.2 termcolor-3.3.0
• #cheat ps   //系统反馈：No cheatsheet found for ps
• #git clone https://github.com/cheat/cheatsheets.git ~/.config/cheat/cheatsheets/community  //系统反馈：Receiving objects: 100% (2058/2058), 476.47 KiB | 16.43 MiB/s, done.
• #cheat ps   //系统反馈：No cheatsheet found for ps
• #mkdir /usr/share/cheat 
• #cd /usr/share/cheat
• #cp  ~/.config/cheat/cheatsheets/community/*   .
• #cheat ps  //successful

# To list every process on the system:
ps aux

# To list a process tree:
ps axjf

# To list every process owned by foouser:
ps -aufoouser

# To list every process with a user-defined format:
ps -eo pid,user,command

# Exclude grep from your grepped output of ps.
# Add [] to the first letter. Ex: sshd -> [s]shd
ps aux | grep '[h]ttpd'

环境2：火山云上CentOS Stream 9 虚拟主机

• #dnf install  cheat     //系统反馈：Error: Unable to find a match: cheat
• #dnf install epel-release  //系统反馈：Nothing to do.
• #dnf install python3-pip  //系统反馈：Nothing to do.
• #pip3 install cheat   //系统反馈：Requirement already satisfied:
• #cheat ps  //命令成功执行，反馈如下：

  [root@iv-ye4b22hxxcxjd1tj3rwb cjl]# cheat ps
  # To list every process on the system:
  ps aux
  
  # To list a process tree
  ps axjf
  
  # To list every process owned by foouser:
  ps -aufoouser
  
  # To list every process with a user-defined format:
  ps -eo pid,user,command
  
  # Exclude grep from your grepped output of ps.
  # Add [] to the first letter. Ex: sshd -> [s]shd
  ps aux | grep '[h]ttpd'