yum can help us here. This should do the trick: #yum list installed If you’re interested in a particular package, you can pipe a search string into grep and only list filtered results: #yum list installed | grep “yum” keyutils-libs.i686 1.4-4.el6 @anaconda-CentOS-201303020136.i386/6.4 yum.noarch 3.2.29-40.el6.centos yum-metadata-parser.i686 yum-plugin-fastestmirror.noarch The search string doesn’t even need to be in … Read more
Two commands come to the rescue: ip and ifconfig. Either does the trick: #ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:19:99:0D:D2:58 inet addr:87.106.181.234 Bcast:87.106.181.234 Mask:255.255.255.255 inet6 addr: fe80::219:99ff:fe0d:d258/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:14022830 errors:1 dropped:0 overruns:0 frame:1 TX packets:17605482 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:6842851425 (6.3 GiB) TX bytes:22015650673 (20.5 … Read more
Once you’ve created an EBS Volume in the AWS web interface and attached it to an EC2 instance, how do you actually use it on your virtual server? Here’s how! The following commands assume you’re logged into your system as root. I’ve created a 13GB volume and attached it to my running instance. Before we … Read more
Need to find a file on your system? Look no further than the excellent find command line tool. Here’s how to use it: find / -name ‘yourfilename.extension’ This brings up a list of every file whose name matches “yourfilename.extention”. Wildcards are allowed, so you could list every .log file on the system like this: find … Read more
Creating a ZIP file on your Mac is really easy: select a few files in Finder, right-click on those and select “Compress…”. It’s the equivalent of selecting “Send to ZIP Folder” under Windows. But Mac OSX does something rather bizarre when creating ZIP files: it adds several unnecessary, unwanted and un-called-for files starting with __MACOSX. … Read more
Every once in a while it can happen happen that use use “yum update” to update your Linux system.
Usually this works without a hitch, but you may have come across a message such as this:
Setting up Install Process
Resolving Dependencies
There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them.
The program yum-complete-transaction is found in the yum-utils package.
But what does this mean, and how do we alleviate this?
I’ve just ordered a new Dynamic Cloud Server with 1&1 with a total of 800GB disk space. They rock, but they come with a minor inconvenience: due to the way these server instances are allocated, 1&1 do not automatically extend the partition for you – so you can’t actually start using the full amount you’ve ordered.
Here’s how to make use of the full disk space on a current file system:
This is a step-by-step guide on how to replicate an existing MySQL server. The server is live and contains data and needs a constant backup companion.
Many tutorials focus on how to setup replication when no data is present on the system. That’s an ideal solution if you’re building a new setup, but in case you’ve got a server that already has data present then here’s how to accomplish the this:
I’ve done this several times and always forgot to take some notes – until today. Without further ado, let’s replicate MySQL.
