Starting with build 1607 finally Windows 10 has a Linux in it. To enable the Linux user space (basically an Ubuntu) the following has to be done: STEP 1: Update Windows to 1607 Make sure you update Windows 10 to a build at least 1607. STEP 2: Activate developer mode Settings -> Updates & security… Read More »
This is a follow-up tutorial on the DRBD replication posts about resynchronization of sites after the failed DR site is recovered. More than a year ago I described in a long tutorial how to use DRBD in a real production environment and the challenges associated to it. See: DRBD based disk replication of a production… Read More »
This is a follow-up tutorial on the DRBD replication posts about resynchronization of sites after the failed PR site is recovered (DRBD split brain recovery). More than a year ago I described in a long tutorial how to use DRBD in a real production environment and the challenges associated to it. See: DRBD based disk… Read More »
This is a follow up tutorial on the DRBD replication posts about promoting the DR site as the main site when PR is failed. More than a year ago I described in a long tutorial how to use DRBD in a real production environment and the challenges associated to it. See: DRBD based disk replication… Read More »
This is a follow up tutorial on the DRBD replication posts about gracious role switching of live sites configured with DRBD replication. More than a year ago I described in a long tutorial how to use DRBD in a real production environment and the challenges associated to it. See: DRBD based disk replication of a… Read More »
Sometimes we need to find specific things in application vast logs, sometimes 10 or 20 rotated logs each hundred of MBs each. For a quick search without using some specialized log viewer we can use the very powerful bash text processing commands. Problem: We have 10 log files each 100MB and we need to find… Read More »
After connecting my two sites using IPSEC see ipsec site-to-site with virtual tunnel interface/ it is easy to ssh to the remote site and OpenVPN see OpenVPN site to site Let us go a step further and activate also remote desktop. I want to be able to connect from my Linux machines but also from… Read More »
I was relocating my servers in a new rack and configuration and decided to put all my ILO ports to a different router with no DHCP. Obviously I ended up with some fake IP6 address defaulted to the ILO device. To make the changes to ILO without a server reboot we have the nice hponcfg… Read More »
I have two sites hosting my home servers so I wanted a solution to have a permanent link between the sites. On site one I have an EdgeRouter POE and on the other site an EdgeRouter Lite and the obvious solution is to have a site to site VPN on a permanent basis. There is… Read More »
After an OwnCloud upgrade I was getting complains from my users that WebDav and OwnCloud windows client were no longer able to upload files. By looking into owncloud.log the following was the repeated error: {“app”:”remote”,”message”:”An exception occurred while executing ‘SELECT * FROM `oc_locks` WHERE `userid` = ? AND (`created` + `timeout`) > 1456517102 AND ((… Read More »