Rhcsa - day 13

Content ：

1. Use rpm install zsh( Ignore dependency installation )

  Check if... Is installed

  Query all installed software

   uninstall zsh

[[email protected] ~]# rpm -i --nodeps zsh-5.5.1-6.el8_1.2.x86_64.rpm
[[email protected] ~]# rpm -aq | grep zsh
zsh-5.5.1-6.el8_1.2.x86_64
[[email protected] ~]# rpm -e zsh
[[email protected] ~]# rpm -aq

  Inquire about date Command package

Query not installed zsh File information for

2.yum Local source configuration

[[email protected] /]# cd /etc/yum.repos.d/
[[email protected] yum.repos.d]# vim redhat.repo
[[email protected] yum.repos.d]# yum repolist

  yum Network source configuration

  install httpd Software

  see vim Which package does the command belong to
  yum uninstall httpd
  Clean cache  

  Recreate cache  

3. Source code installation : memcached

[[email protected] ~]# tar -xzf memcached-1.6.12.tar.gz /usr/local/memcached
./configure  --prefix=/usr/local/memcached
make
make install

 
4. see root User processes with terminals

  Show processes without terminals

  Show all processes

  ps -aux and ps aux The difference between

 

ps -x
ps -a 
ps -aux  differ  ps aux  The two are for different systems 
bsd The use of -aux
unix It uses aux