Centos 7 – bridge for KVM
I got a machine on which I wanted to try Centos 7 and KVM virtualization. As usual, I had to search for how to do a network bridge as it’s been quite long since I did it last time (on …
Category: Operating systems
Systemd problem
At home, I’ve been using rolling release of Debian for my desktop for quite some time. The good thing about it is that years go by and you need not worry about the end of life of this or that …
Skype in Docker
Although jabber is my preferred IM protocol, sometimes I have to communicate with people who, for some reason, only use Skype. On Debian, that can be quite a problem, supposing you are not particularly keen on weed infestation of your …
AWK – print no newline
Using awk to display information, the print function, by default, adds newline after each iteration. I wanted to copy the results and use them as an actual array in a program and preferred to have them all on one line, …
CentOS 6 and MiniDLNA
I’ve got a small home server made from a half-broken laptop nobody wanted any more. The screen was’t working, but otherwise the machine was fine, so I took it, shipped Centos 6 on it and it’s been serving as a …
Mount a disk image containing LVM
If you have an image with standard partitions, you can mount any partition as a loopback device using the offset given by fdisk: user@machine:/home/user# fdisk -l disk.img Disk disk.img: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total …
Observium and SNMPv3
Some tasks you find yourself doing only once in a while, so they never stick in your memory for too long. Adding a new device to Observium (a great monitoring tool), and that device being off the premises, so it’s …
Broken MATE panel
Following an upgrade in Debian Jessie/testing, I was left with no panels at all after logging into the MATE desktop. Running dpkg -s mate-desktop, I saw that MATE had been changed to 1.8 from the previous 1.6 version. My first …
GPG encrypted files for Amazon Glacier storage
I am no big fan of cloud solutions, mainly because I don’t like to entrust my data to people I don’t know. But like with any other tool, the cloud is still just a tool and it really depends on …
Delete huge amount of files in a directory
I had this peculiar problem – one of my virtual hosts had a custom tmp directory where sessions were stored and not deleted for a long time. When I found out, the number of files in there already posed a …