aking LVM snapshots as a mean of backing up MySQL is rather simple, as can be described here. However, if you are into security, you would strive to grant minimal permissions for the action to the MySQL user. Per MySQL Documentation, the required privileges is “RELOAD”. That should be enough, granted on *.*, of course.
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I have uploaded a replacement wvdial.conf for the cellular entry below. Notice that for Cellcom in Israel, you need an init string AT+CGDCONT=1,”IP”,”internetg” . which is embedded into the file. For other cellular providers, you might need a different string. For Cellcom users out there – this is the right init string. If you are on…
With the migration of Enterprise Linux to ‘chronyd’ ntp clock toolset, some of the more common commands were deprecated, and do not exist anymore. In this article I will go over the most common uses I have in the context of NTP, and how to address them using ‘chronyc’ command line. Perform ‘ntpdate’ command A…
This post will describe the process of placing SSH keys using the internal ‘systemshell’ command of NetApp. As always – when doing something which the vendor did not intend you to do, do it very carefully. This data was obtained from NetApp forums, and while I do not have the original post to link (I…
I had one of my computers die a short while ago. I wanted to get the data inside its disk into another computer. Using the magical and rather cheap USB2SATA I was able to connect the disk, however, the disk was part of a software mirror (md device) and had LVM on it. Gets a…
Due to a major disk crash, I have had to use my ‘other’ computer for VPN connections. It meant that I have had to prepare it for the operation. I attempted to login to aJuniper-based SSL-VPN connection, however, I did get a message saying that my 64bit Java was inadequate. I had a link, as…
I have had an interesting experience with HPE servers, where the BIOS was defined to allow max performance (in contrast to ‘balanced’ mode), but still – the CPU was not at max all the time. While we generally, strive to a greener computing, when having low-latency workload, we expect a deterministic performance. We want our…
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Great!. I’m going to bookmark this for later!