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"Filesystem"
We have just launched a new website which being deploy exactly from our development server. There are constant changes on the source code where our programmer always need to do some debugging stuff which being reported from our users. The problem I face frequently is every time they want to sync the new PHP code, [...]
I have a user which having problem after removing CentOS partition (using partition manager) in a dual boot PC with Windows Vista. The problem rise after that and Windows Vista simply unable to boot due to missing MBR. Since I have no Windows Vista installation disc anymore with me, I need to use some other [...]
We just received a new storage server from DELL which will be used to host web server cluster. We will use Openfiler, a free NAS/SAN operating system to manage our RAID-10 storage.
The problem we have now is our storage server has no optical drive and we do not have any external optical drive available [...]
One of our web developer required to have 2 directories to be always identical, which means whatever files contain in directory ‘a’ will be appeared in directory ‘b’. From the server and operating system point-of-view, this can be achieved using several methods:
Use symbolic link Use mount bind Use bindfs
Each and every method has [...]
LVM snapshot is an exact copy of an LVM partition that has all the data from the LVM volume from the time the snapshot was created. The advantages of this is that we can get reliable backup in a small matter of time without suspending the MySQL service. Normal backup using mysqldump or mysqlhotcopy will [...]
MySQL is preferred to be run on XFS file system due to its performance on direct IO. Even though many benchmarks have already come out with the latest Linux default file system Ext4 versus XFS, it still convenience to use this file system for our MySQL data directory.
XFS is not come by default in [...]
Cloud storage nowadays has create a trend on storing and accessing data from any where around the world. 2 most popular cloud storage providers are Dropbox and Box.net. In this post, I am going to show you on how to mount Box.net account inside the Linux box. You are required to have a Box.net account, [...]
I have a situation where there is one critical website under our company server is critically need to be sync to our backup server. Sync means whatever changes happen in master server, it will replicated to slave server. Yes, you can rsync. But, I do not want to schedule the task as cron to sync. [...]
Usually, when we want to replicate or synchronize files between network, we will use rsync, scp or sftp. This kind of replication is one-way replication method, it will sync from master (source) to slave (destination) only. What about if we want to have 2 folders which both are masters? So we need a two-way replication [...]
The best server maintenance practice is to have all software run up-to-date by following the latest stable release. Most of our servers are has been upgraded to CentOS 6 from CentOS 5 (major release), but also need to upgrade from CentOS 6.0 to CentOS 6.2 (minor release) which usually comes by every about 4 to [...]
My developer team requesting me to mount an external FTP account into our web server so they can do file manipulation process between them. To achieve this, I need to mount FTP as file system, so they transparently not realized that they are browsing to an FTP account which has been localized into the server.
[...]
In this tutorial, I will show you on how to mount a same partition in different servers. We will use RedHat Cluster Suite which available in CentOS repository, with GFS2 file system. The server architecture will be as below:
The file server is run on Openfiler, and we will use [...]
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