Removing data from between 2 points using SED
Let’s take an plain text file, input.txt, that looks like this PATTERN-1 First line of unimportant text Second line of unimportant text […]
MySQL – myisamchk: error: myisam_sort_buffer_size is too small
If you’re trying to repair large MyISAM tables in MySQL, you can run into the following restriction, because of the limited size […]
Switching from Server to Desktop versions of Ubuntu
The server and desktop are basically the same thing but server does not have GUI stuff (xorg, desktop manager and …) installed. […]
How to Create a Bootable Ubuntu USB Drive on a Mac WITHOUT unetbootin
1. DOWNLOAD UBUNTU 2. CONVERT THE DOWNLOADED FILE FORMAT It is first necessary to convert the downloaded .iso file to a .img. […]
If Your Netboot Clients Can‘T Start Up From The Server
Try these steps if NetBoot services appear to be available on your server, but some client computers can’t start up from it. […]
DIAGNOSING NETWORK SPEED WITH IPERF
Linux systems administrators and network administrators often find diagnosing network speed degradation complicated, as there are very few tools available to diagnose […]
RESIGN .IPA WITH NEW DISTRIBUTION CERTIFICATE
Assumptions: .ipa filename is app.ipa app is called MyApp new provisioning profile resides at: ~/Downloads/AdHoc.mobileprovision distribution certificate name is Company Certificate may […]
OS X Server Adjusting Message Size Limits For The Mail Service
The message size limit may be increased or disabled via use of the serveradmin command in Terminal. In OS X Server (Mountain […]
CLEAR LINUX MEMORY BUFFER CACHE
There are three options available to flush cache of Linux memory. Use one of below as per your requirements. Free pagecache, dentries […]
Raspberry Pi – Running Script on Network change
Opennetworking configuration file /etc/network/interfaces: sudo nano /etc/network/interfaces Setup post-up option, append following line to eth0 configuration section: post-up /etc/network/if-up.d/fw.dsl.start To run command […]
Raspberry Pi / init.d Run app on boot
Tutorial: How to run a program from boot Having a program start by itself when you boot your Raspberry Pi can be […]
Raspberry Pi Boost USB Current
So you’ve got a Raspberry Pi, but the USB output current isn’t driving what you need it too? One of the newer […]
Raspberry Pi Bluetooth Speaker
Raspbian Wheezy Installation Guide From a fresh installation of Wheezyrun the following as the default user pi: pi@raspberrypi ~ $ sudo apt-get […]
Stream AAC audio via Icecast
Getting the audio into an AAC stream is tricky, but Darkice does it and sends to Icecast http://www.darkice.org or look in brew
How to reset OS X Servers VPN settings
Turn off and then remove /Library/Preferences/SystemConfiguration/com.apple.RemoteAccessServers.plist
Increase the size of an ext2, ext3 or ext4 filesystem
umount /dev/vg0/foo fsck -f /dev/vg0/foo resize2fs /dev/vg0/foo
How To Create LVM Using vgcreate, lvcreate, and lvextend lvm2 Commands
LVM stands for Logical Volume Manager. With LVM, we can create logical partitions that can span across one or more physical hard […]
Apache Virtualhosts in a simple fashion on RHEL
Step 1: Configure Apache to Listen on each of the ports you want to service. Step 2: Set up a Virtual Host configuration for each port […]
JSS and MDM Problems
Recert /usr/sbin/jamf removeMdmProfile -verbose /usr/sbin/jamf manage -verbose /usr/sbin/jamf recon Or jamf mdm -verbose Jams recon Check EA’s Make sure you don’t have […]