Ubuntu GPG Error

If you come across this error after running aptitude update or clicking reload button in Synaptic: W: GPG error: http://ppa.launchpad.net intrepid Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 58403026387EE263 W: You may want to run apt-get update to correct these problems due to a missing GPG key…

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How to Fix phpFox Error: “Unable to write to temporary folder: /tmp/”

phpFox is social network web-based application which can be used to build online community. I found this error message when installing phpFox: To fix this problem, edit install/include/installer.class.php Find this line: and modify to this: After that, create new folder: Change the folder permission to 777: After that redo phpFox installation http://domain.com/install/index.php And problem will…

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Setup Squid MRTG on Ubuntu 10.10

Update Feb 23: to install only MRTG and SNMP please read this article.   Install MRTG, Apache2, Squid and SNMP $ sudo apt-get install apache2 snmpd mrtg snmp-mibs-downloader squid Configure SNMP Backup /etc/snmp/snmpd.conf $ sudo mv /etc/snmp/snmpd.conf /etc/snmp/snmpd.conf.bak Create new /etc/snmp/snmpd.conf $ sudo nano /etc/snmp/snmpd.conf and key in these lines: rocommunity  public syslocation  “Bukit Batok”…

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Connect to Wireless Network (WEP) in Ubuntu 11.04 using Command Line

Check wireless adapter: $ iwconfig You will see wireless adapter as wlan0 or ath0 which depends on what driver is installed. Execute the following command to apply ESSID, network key, channel, and mode: $ sudo iwconfig wlan0 essid yantoknuk-singtel $ sudo iwconfig wlan0 channel 6 $ sudo iwconfig wlan0 key ngumbahkucing $ sudo iwconfig wlan0…

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