
(陳年舊文終於可以拿出來曬太陽了!寫了好久,沒有時間埋尾,拖到現在… 人家都出 DVD 了… :p)
《命運自選台》在各大的電影討論區,都獲得不錯的評價。因為劇情易明,有搞笑有溫情有反思,笑中有淚自然得到大家的歡心
We made a small mistake around here a while back: we used VLAN ID 1 fora real VLAN. In fact, we used it for our 'management network' VLAN.
This is a mistake because many switches insist that all ports beuntagged members of some VLAN, and they pick VLAN 1 to be the defaultVLAN for this. The net effect is that unconfigured ports on many of ourVLAN-aware switches are by default on our management network.
(Not all of our switches are VLAN aware; edge

(陳年舊文終於可以拿出來曬太陽了!寫了好久,沒有時間埋尾,拖到現在… 人家都出 DVD 了… :p)
《命運自選台》在各大的電影討論區,都獲得不錯的評價。因為劇情易明,有搞笑有溫情有反思,笑中有淚自然得到大家的歡心
Here's a small irritation with Unix wildcards: there's no generallyrecognized wildcard (or small set of wildcards) that matches all of thefiles in a directory, including dotfiles but excluding . and .. ,so that you could easily match all of a directory's real contents.
A plain * doesn't match dotfiles; * .* matches dotfiles, butincludes . and .. too. About the best you can do is
* .??* .[^.]
However this
A while back a co-worker asked me why SSH (sometimes) uses a secondtemporary host key in addition to the main host key. I had to thinkabout it for a bit: it's to keep the session private even if theserver's host key is later compromised.
(The clever person will notice I could have found this out just byreading the description of the KeyRegenerationInterval sshd parameter.I observe that one rarely pauses to grovel through manpages whendiscussing half-remembered things with co-