在安裝完Ubuntu並重新開機後，可能會在開機畫面中看到「A start job is running for wait for Network to be configured」這樣的訊息，然後會有一個計時器開始計時，一直到兩分鐘後才可繼續進行之後的開機流程。這個問題的原因是出在哪呢？要如何解決？
繼續閱讀
分類：Linux - 第 17 頁
「sudo」是Linux作業系統常用的指令，它可以暫時讓非root的使用者能夠以root權限去執行某個指令。在使用「sudo」執行指令之後，程式通常會要求使用者再次輸入其登入時所用的密碼，以確保目前臨時使用root權限操作電腦的人真的是該使用者本人。在預設情況下，使用者輸入給「sudo」的密碼通常完全不會顯示在終端機上，但是我們其實可以做一些設定，讓使用者輸入的密碼能以星號字元表示出來，如此一來也...
繼續閱讀
Which http_access directive for Squid allows users in the ACL named sales_net to only access the Internet at times specified in the time_acl named sales_time?
A. http_access deny sales_time sales_n...
繼續閱讀
Which of the following DNS record types is used for reverse DNS queries?
A. CNAME
B. IN
C. PTR
D. REV
E. RIN
繼續閱讀
Which of the following information has to be submitted to a certification authority in order to request a web server certificate?
A. The web server's private key.
B. The IP address of the web serv...
繼續閱讀
In order to protect a directory on an Apache HTTPD web server with a password, this configuration was added to an .htaccess file in the respective directory:
AuthType Basic
AuthName "Protected Dir...
繼續閱讀
A.
TSIG server.example.com. {
algorithm hmac-md5;
secret "skrKc4DoTzi/takIlPi7JZA==";
}
B.
key server.example.com. {
algorithm hmac-md5;
secret skrKc4DoTzi/takIlPi7JZA==;...
繼續閱讀
Which of the following Samba configuration parameters is functionally identical to the parameter read only=yes?
A. browseable=no
B. read write=no
C. writeable=no
D. write only=no
E. write acces...
繼續閱讀
A user requests a "hidden" Samba share, named confidential, similar to the Windows Administration Share. How can this be configured?
A.
[confidential]
comment = hidden share
path = /srv/smb/hi...
繼續閱讀
In order to join a file server to the Active Directory domain intra.example.com, the following smb.conf has been created:
[global]
workgroup = intra.example.com
netbios name = Fileserver...
繼續閱讀