启动账户: DirectoryEntry usr = new DirectoryEntry("LDAP://CN=New User,CN=users,DC=fabrikam,DC=com"); int val = (int) usr.Properties["userAccountControl"].Value; usr.Properties["userAccountControl"].Value = val & ~(int)ActiveD
最近使用 useradd -r 选项进行创建账户,用于测试,对-r 选项不是很明白,下面记录一些调研的过程: -r, --system Create a system account. System users will be created with no aging information in /etc/shadow, and their numeric identifiers are chosen in the SYS_UID_MIN-SYS_UID_MAX range, defined
A group of friends went on holiday and sometimes lent each other money. For example, Alice paid for Bill's lunch for $10. Then later Chris gave Alice $5 for a taxi ride. We can model each transaction as a tuple (x, y, z) which means person x gave per