Category Archives: Technical

For edit: crontab -e For view: crontab -l # minute hour(24) dayOfMonth Month dayOfWeek(0-6, 0=Sunday) command To schedule my server to chmod 644 the access log,  0 10 * * 0 chmod 644 /var/log/apache2/access.log Task will perform every Sunday at … Continue reading →

A good way to disable the popup, Start->Run/type->autoplay->scroll down to iphone-> Take no action.

Faced the rare case but not the only time of the blue screen of death on my laptop. I believe it's caused by Avira's antivir trying to update, because after restart, it was disabled. clicked on update option manually, enabled … Continue reading →

My main computer broke down last night. When I came home at around 9:15pm, shaked the mouse, monitor lit up, showing a frozen screen with time at 8:30pm. I have no clue what happened, judging from a popup from system … Continue reading →

Best local store I know for video cabling. Cheap, lots of surveillance camera related accessories. 387 Canal Street New York, NY 10013 Get Directions (212) 431-5066

One of NYGC's staff stations had no internet while the rest were fine. Network icon at lower right screen shows a yellow triangular sign with exclamation mark. Thus, it's not a disconnection. Solution: Router's DHCP server has reached its maximum … Continue reading →

Interesting, some hacker trying to attack my cam server at port 30,000 and omirr. IP 204.45.65.130, blocked via dd-wrt router iptables. Looks like they are collecting servers with webcams or something. Nice try. Try a proxy, Einstein. IP:     204.45.65.130 … Continue reading →

Presenting: Armour Etch. Bought for around $10 3 oz. from Ebay.   Noted for Plastic eye glasses only as claimed on many websites, although I'm not sure why (I applied the cream to a glass edge of a table surface … Continue reading →