With the latest OSX Mavericks 10.9 release, Wireshark refuse to open and complain about X11. First, make sure you have the latest XQuartz installed. It can be found at : http://xquartz.macosforge.org/ (Make sure to logoff/login again to your session once you installed it.) Then, if you attempt to open up Wireshark, you’ll end up with… Read More »
Upgraded to Mac OSX Mavericks lately? Well, you’ll need to update MacPorts once you’re done to keep it working. To update MacPorts, just do the following command in Terminal :
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sudo port -v selfupdate |
The terminal will keep working running a bunch of scripts by itself, then you end up with the following output error :
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Command failed: cd /opt/local/var/macports/sources/rsync.macports.org/release/tarballs/base && CC=/usr/bin/cc ./configure --prefix=/opt/local --with-tclpackage=/Library/Tcl --with-install-user=root --with-install-group=admin --with-directory-mode=0755 --enable-readline && make && make install SELFUPDATING=1 Exit code: 77 Error: /opt/local/bin/port: port selfupdate failed: Error installing new MacPorts base: command execution failed |
This… Read More »
Gathering information through the GUI option “About this Mac” can be annoying and not reveal all the information you wanted. Fortunately, there is an existing command line that can provide what you are looking for. Terminal can be launched through : Go > Utilities > Terminal Then several commands exist to either gather full system… Read More »
Using Xcode on Mac (with MacPort as example) may end up with the following error : Warning: The Command Line Tools for Xcode don’t appear to be installed; most ports will likely fail to build. Once Xcode has been installed, you need to manually install the Command Line Tool from the Xcode Download Component preference… Read More »
To search and replace across multiple text file on a Linux/Unix system, use the following command :
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find . -name "*.extension" -print | xargs sed -i 's/search_for_text/replace_with_text/g' |
So, as example, let’s assume you want to replace an IP address in multiple Bind zone file (using the extension .hosts) and replace IP address 10.10.1.1 for 192.168.1.1 :
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find . -name "*.hosts" -print | xargs sed -i 's/10.10.1.1/192.168.1.1/g' |
Windows text editors add a tailing character ( ^M ) for line break. To get a real Unix flat file without theses characters, simply run the following command in terminal :
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tr '\r' '\n' < Windows_Text_File.txt > Unix_Text_File.txt |
Using the full size desktop Apple keyboard, simply hold down SHIFT key + Page up or Page down. With a MacBook Pro, there is no such keys (Page up/Page down)… Just hold down function key ( fn ) + SHIFT + ARROW UP and/or DOWN.
Since RoundCube version 0.6, you may expect the following error when trying to delete a message : Server Error : UID COPY : Error in IMAP command received by server. You probably using Courier-IMAP daemon. As commented in “main.inc.php” configuration file for default storage folders, you need to modify the folder name according to the… Read More »
Do the following to find and replace text string in a whole file using the Vi text editor : 1. Enter in command mode by typing ” : ” 2. Your command should look like this :
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:%s/search_for_text/replace_with_this_text/g |
NOTE : To search & replace a string containing slashes ” / “, use a coma ”… Read More »
To add a static route in Mac OSX, do the following as root in the terminal :
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route -n add "network/prefix" "gateway" |
Example :
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route -n add 10.0.0.0/8 10.16.1.1 |
To print the routine table, use the following command :
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netstat -nr |