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Creating a 4-Disk RAID Array: 8 Hits

he one below. Last thing is to hit the ''Write'' command to save settings to disk ... /sdd'', and ''/dev/sde''), I ran the ''fdisk -l'' command to see what my system's partitioning looked like:... on Ubuntu as part of the ''mdadm'' install. The command I need to run is: mdadm --create /dev/md0 --ver... dadm: array /dev/md0 started. </code> Nice! The command gave my terminal back, rather than locking it up

How Long has a Process Been Alive?: 7 Hits

rtunately, the standard date fields in the ''ps'' command use a "scrolling date" display. In other words, ... %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND nobody 22571 0.0 0.0 2128 244 ? ... ,wchan:14,comm The important thing is the ''-o'' command line option which allows me to customize the colu... process ID number of the process. args command with all its arguments as a string So now I can

Log File Tricks: 7 Hits

is nothing) into the logfile. So essentially the command replaces the contents of the file with nothing. ... Gecko/2009011913 Firefox/3.0.6" When running a command this way, ''tail'' (on Linux) will group statemen... og > logwatcher & $ cat < logwatcher The first command creates a named pipe. The 2nd and 3rd commands send the output of a ''tail'' command to the named pipe, and keeps those processes running in the bac

Setting up Asterisk: 7 Hits

shows Synaptic in use. For those who prefer a command-line approach, the same distributions include the... ons without a graphical interface. The following command can be executed at the command line. (I'm using sudo so I can run a root-only command with my current user ID). me@mymachine:~$ sudo apt-get ins... ng should be built. Start ''asterisk'' with this command: sudo /etc/init.d/asterisk start We can check t

SVN Backup and Restore: 6 Hits

ilename.svn </code> Explanation: - The ''dump'' command tells SVN to copy all the revisions in the reposi... n'' (called a ''dumpfile''). Note: Running this command can take considerable time and disk space. SVN c... ackups (more files, smaller each). - The ''rm'' command recursively deletes the existing repository locat... ure** your dumps are complete before running this command. - The ''svnadmin create'' command creates a ne

SSH Tunneling: 4 Hits

t and connect to Linux Server 1. - Execute this command: ''ssh -nNT -R 3333:localhost:22 myusername@linu... background) * ''-N'' = don't execute a remote command--just open a tunnel * ''-T'' = no TTY * '... n prompt from ''Linux Server 1''. In my case, my command line on Linux Server 2 looked like this: me@my... the client session disconnects, use the ''nohup'' command as shown here. It will continue to run until the

The Dog Page: 4 Hits

hat it should. Obedience topic #2 is the "sit" command. We had already worked on that too. Not too har... on that part. Obedience topic #4 is the "down" command. Surprisingly, this is easy too. We use treats ... bedience topic #5: "Leave it". This is a verbal command for making a dog leave something alone. Our trai... ck told her to sit. We're enhancing our 'heel' command by waiting for the dog to heel (last weeks lesson

WMA2MP3: 4 Hits

rch through the respective man pages revealed the command line I needed: for i in *.wma ; do mplayer -vo ... can't use a pipe symbol to send the output of one command to the other. Instead, we use the double ampersand (''&&''). It lets the first command complete before deciding if the second one should run. If '... file that ''mplayer'' created. I turned the command line into a very simple script and called it ''/u

Dealing with Open Files: 4 Hits

open? ==== * Use the ''lsof'' (list open files) command to print a list of all open files. Highly useful... lexible parameters. Similar in scope to ''find'' command, but for processes. List can be sorted/filtered ... many files can I open with my User ID? ==== At a command prompt, type: ulimit -n ==== How can I increas... er of files I can open with my User ID? ==== At a command prompt, type: ulimit -n 4096 ==== What about t

Common SVN Errors: 3 Hits

o occur frequently, either while using SVN at the command-line, or when attempting to use Eclipse or Netbea... SVN repository seems corrupt. To fix this at the command line, navigate to the affected directory and run this command: ~/myproject>svn cleanup Or in Eclipse/Netbeans, find the "Cleanup" menu item und

Logical Volume Manager (LVM): 3 Hits

ome root for the installation process. So at the command prompt, run the ''sudo -i'' command and enter you... o add 460gb to a logical volume (Note that 'vgs' command showed how much free space is available). - Mak

How to Convert a VMDK to a VDI: 2 Hits

emu'', which I didn't have installed. I ran this command to install it: sudo apt-get install qemu And then ran this command to convert the VMDK into a BIN file. # qemu-img convert stratos_new.vmdk

Moving Recordings to a New Backend: 2 Hits

results of my tests: ^Transfer Method ^Example Command ^Speed ^ |SFTP with hostname |''sftp me@my.mac... der/ . I'm forced to enter my password with this command because I specified my user ID, but at least this

Server-side Permission Problems: 2 Hits

e ssh's into the server and runs the ''svnadmin'' command as the root user. Since I can't fix root-relat... database files to root and run the ''db_recover'' command. When that completes, I chmod everything back to

How To Use rsync: 2 Hits

Selective Recursive Copy Script: 2 Hits

GNU Screen: 2 Hits

Why RPM Bugs Me: 2 Hits

Smart script: 1 Hits

Making the ABC Plugin work on a Hosted Account: 1 Hits

Online Banking: 1 Hits

Berkeley DB Errors: 1 Hits

Résumé: 1 Hits

Installing GlassFish V3 Final on Ubuntu: 1 Hits

Ant: 1 Hits

Java Class Loaders: 1 Hits

Testing UDP Availability: 1 Hits

Adding FCKW to Dokuwiki: 1 Hits

CPU Speed Script: 1 Hits

Using Strings in Switch Statements: 1 Hits

How To Backup an Oracle XE Database: 1 Hits

Linux Runlevel Tools: 1 Hits