mac 10.5 freeze when waking form hibernation with VM running parallels

by shing fai it consult on September 11, 2011 · No Comments

OS: Mac 10.5.8 Parallels version: Parallels desktop 7 for MAC Mac hibernate mode: 5 Symptom: mac freeze when waking from hibernate mode with VM running Possible solution: Change hibernate mode to 1 1.Check the current setup pmset -g | grep hibernatemode 2. Change the sleep mode setting sudo pmset -a hibernatemode 1 —-hibernate mode info—— [...]

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dd-wrt /CoovaAP recovery howto

by shing fai it consult on June 30, 2011 · No Comments

Following methods tried in linksys wrt54g and tp link w741nd: 1. Hard Reset (“30/30/30 reset”) if configuration messed up i. hold the reset button while power on or 30 seconds ii. disconnect the power while continuing hold the reset button for 30 seconds iii. while still holding it in, plug in the power again and [...]

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real time traffic analysis in Linux

by shing fai it consult on May 27, 2011 · No Comments

tools: ibmonitor for real-time traffic consumed: http://ibmonitor.sourceforge.net/ jnettop for real-time traffic visual analysis : http://download.fedora.redhat.com/pub/epel/4/i386/repoview/jnettop.html tcpdump for real-time packet capture iptables for block unwanted traffic tcpdump howto: 1. dump traffic without port 22 and write it to file log.cap tcpdump -i eth0 not port 22 -n -w log.cap 2. tcpdump for dummies: http://www.alexonlinux.com/tcpdump-for-dummies iptables in [...]

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Bash script to find an delete specific user process

by shing fai it consult on April 13, 2011 · No Comments

for x in `ps aux|grep imap|grep emily|awk ‘{print $2}’`; do kill -9 $x;done

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install virtualbox in centos 5.5

by shing fai it consult on March 11, 2011 · No Comments

1. get the virtual box software 2. make necessary system changes yum install dkms

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useful commands

by shing fai it consult on March 11, 2011 · No Comments

To perform groupinstall: # yum groupinstall ‘KDE’ To get the available and installed groups: # yum grouplist Multi -boot for Windows and Linux 1.In Linux, dd if=/dev/hda2 of=/linux.bin bs=512 count=1 2. copy the linux.bin file to Windows c:\ 3. In Windows, add following in the boot.ini c:\linux.bin=”Linux”

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rsync remote backup tips

by shing fai it consult on March 6, 2011 · No Comments

Task : Copy file with space from a local computer to a remote server Copy file from ‘/home/itconsult/Maildir/.e-mail 2009-2010′ to a remote server (192.168.1.198) under the directory /home/itconsult/Maildir /usr/bin/rsync -avHS –delete ‘/home/itconsult/Maildir/.e-mail 2009-2010′ root@192.168.1.198:’/home/itconsult/Maildir/’ > /var/log/rsynclog/itconsult 2>&1 & Problem: If seeing the errors below in rsunc corn job, it may be caused by too many [...]

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$168自攜電腦維修，不成功不收費。

電腦維修送4GB USB手指

by shing fai it consult on March 3, 2011 · No Comments

為慶祝盛輝科技新的電腦維修中心成立，恵顧盛輝科技電腦維修服務， 可獲贈4GB USB手指乙條!! 維修中心地址: 香港筲箕灣道283號海景廣場9樓05室 熱線:   3495 3389 電郵:   info@itconsult.hk

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$168自攜電腦維修，不成功不收費。

盛輝電腦維修中心 – HK$168自攜電腦維修，不成功不收費

by shing fai it consult on February 23, 2011 · No Comments

為慶祝盛輝科技新的電腦維修中心成立，現在提供特別優惠 — HK$168自攜電腦維修，不成功不收費。 維修中心地址: 香港筲箕灣道283號海景廣場9樓05室 熱線:   3495 3389 電郵:   info@itconsult.hk

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flush netbios cache

by shing fai it consult on February 11, 2011 · No Comments

nbtstat -R nbtstat -c nbtstat -RR

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