What are the differences between su, sudo -s, sudo -i, sudo su? sudo su Asks your password, becomes root momentarily to run su as root sudo su - Asks your password, becomes root momentarily to run su - as root So in this case you are running su using sudo and you don't have to know root's actual password The results are same as su and su -
What is the difference between su - and su root? [duplicate] 8 su - switches to the superuser and sets up the environment so that it looks like they logged in directly su root switches to the user named root and doesn't simulate directly logging in If the superuser is named root, then su and su root are equivalent (and don't simulate directly logging in), as are su - and su - root (which do)
Why do we use su - and not just su? - Unix Linux Stack Exchange The main difference is : su - username sets up the shell environment as if it were a clean login as the specified user, it access and use specified users environment variables, su username just starts a shell with current environment settings for the specified user If username is not specified with su and su -, the root account is implied as default
Why does su fail with authentication error? - Ask Ubuntu Instead of su use sudo -i or better yet, append to any command sudo in the way of: I wouldn't recommend enabling root, since it could raise a security concern, for example, if you use any service exposed to the web
su vs sudo -s vs sudo -i vs sudo bash - Unix Linux Stack Exchange What is the difference between the following commands: su sudo -s sudo -i sudo bash I know for su I need to know the root password, and for sudo I have to be in the sudoers file, but once executed
哪里有免费的优质SU模型? - 知乎 多说无益，来点实在的，尽量详细。 原文在这里，部分已更新。 1 3D Warehouse Sketchup官方模型素材库，来自全球SU用户的上传，模型素材全，入驻有品牌家具商的优质模型。建议用英文关键词搜索，缺点是打开较慢。
Is there a single line command to do `su`? - Ask Ubuntu Here's why: If you write a password in a command like su <username> -p <password>, it would be stored in plain text in your bash history This is certainly a huge security issue If you need to run commands with su (or sudo) in an automated way, write a shellscript containig the commands without su or sudo and run su <username> script sh