How can I make changes to the network routing metric permanently
I’m able change my network routing metrics with ifmetric, for example ifmetric enp0s3 1.
ubuntu
Why is this python error message generated whenever I type a nonsense command?
Whenever I type any “nonsense” command, this python error message is generated. Normal commands work fine. Any idea how to debug this?
How can I automate gpg decryption which uses a passphrase while keeping it secret?
I am tasked with automating a gpg decryption using cron (or any Ubuntu Server compatible job scheduling tool). Since it has to be automated I used --passphrase but it ends up in the shell history so it is visible in the process list.
Why doesn’t systemd-resolved use my local DNS server?
I’m using a local BIND9 server to host some local dns records. When trying to dig for a local domain name I can’t find it if I don’t explicitly tell dig to use my local BIND9 server.
Ignore DNS from DHCP server in Ubuntu
I set static DNS in /etc/resolvconf/resolv.conf.d/base file:
How can I completely reinstall mysql?
I had to reboot in the middle of a large data import. I only have one mysql database, which has now been corrupted.
grep: input file ‘X’ is also the output
I use ubuntu 14.4, and been attempting to redirect the output of grep command to a file, but I keep getting this error:
Add TCP congestion control variant to Linux Ubuntu
I want to test different variants of TCP in Linux Ubuntu. I have Ubuntu 14.04 LTS with Kernel version 3.14. When I check the available congestion control algorithm using the following command sysctl net.ipv4.tcp_available_congestion_control I get only: cubic and reno. However, I want to test other variants like Hybla, HighSpeed. If I run the menuconfig I can select the variants which I want and compile the Kernel. But in my case, I already have the kernel compiled so is it possible to have some Linux package which contains TCP variants as loadable kernel modules?
Split a physical X display into two virtual displays?
I just purchased a TripleHead2Go and configured it using OSX. What this box does is simply take 1-3 multiple external monitors and combine their signal into one single resolution. I’m using two external 1920×1080 displays with it, bringing my display size to 3940×1080, alongside my laptop’s regular display of 1920×1200. My laptop is running FGLRX 8.95 with Catalyst 12.3, the video card is an AMD Radeon HD 6700M. Here’s what I’m looking at, presently:
How do I use colors in the MOTD?
I edited the default /etc/update-motd.d/00-header, adding some color to make it easier to read: