How to fix MySql Replication Error 1236 We have some websites that use two database servers in master-master replication. Recently one of the servers died and had to be resurrected. (They are cloud based and SoftLayer doesn’t seem to have their cloud-based offering thing nailed down, yet. Every week one of them will go down and be unresponsive until tech support does some magic.) After one of the servers was brought back up the other server would not connect. It “Slave_IO_Running: No” and “Seconds_Behind_Master: null” which means it was not playing nicely. First, I went to the MySql log files, which for this server isRead More →

When you connect your IPAD/IPHONE to the computer, you used to be able to see photos under DCIM folder , now it’s blank. It’s because your iphone is locked , this is to prevent someone copying your data when they don’t know your ipad/iphone password. How to fix? – If your ipad/iphone is connected to the PC already , disconnect it. – Unlock the phone – connect to the PC again – make sure that your iphone/ipad is in unlock status.Read More →

just run “runlevel” , it will tell you what level the system is running. It’s good for chkconfig utilities.Read More →