When or if you run into trouble with apt-get and IPv6 connections timing out or not resolving properly at all, it may be a good idea to simply prevent apt-get from using IPv6. Use -o Acquire::ForceIPv4=true when running apt-get, or create /etc/apt/apt.conf.d/99force-ipv4 and put Acquire::ForceIPv4 …
This does not seem to be a problem for everyone nor for every XFCE theme, but sometimes it can be a real drag (no pun intended) to resize the windows in XFCE / XFWM4. For no apparent reason whatsoever, this seems to be known by …
As he re-entered the sfdisk dump manually in the remote recovery console, using the devil’s editor (vi), he was silently thanking the Linux developers for not screwing around with the file system when it cannot be mounted. Messing around with partition tables, disk volumes, and …
nmap -p 443 site.com nmap -p 21,22,2222,80,443 site.com nmap -p 50-100 site.com nmap is a very versatile tool for analyzing remote hosts. Given the above examples, nmap will return the scanned ports’ status as open, closed, filtered, and so on.
lsof -Pnl +M -i4 lsof -Pnl +M -i6 or netstat -tulpn netstat -npl There are obviously a number of ways to accomplish this, but these variations will cover a lot of ground. You can also combine this with grep to filter out things you don’t …
mtr –report –report-cycles 20 www.instagram.com > ignetrpt.txt The above should be entered on one line. Using MTR this way makes it easy to simply send a trace report via e-mail. It can also be used in an automated way to generate a report e-mail when …
Ubuntu 18.04.1.LTS, XFCE Line 1: %H:%M, Ubuntu Mono Bold 14 Line 2: %a %d %b, Ubuntu Condensed 11 Tooltip: %A %d %B %Y/%V Set width: 80 [X] Show lines vertically
Because I have a lot of virtual machines, laptops, work environments, and so on, I never seem to find the time to setup SMTP authentication everywhere. I typically use Linux for everything except hardcore gaming, so it’s only natural that I have some sort of …
On one of our VPS instances, I noticed some seriously erratic behavior with the DHCP client taking a long time to renew its leases when the machine was booting up, or failing to renew at all. It took some time before I noticed this output …
Old habits die hard, or something like that 🙂 Cloning one of my Ubuntu Desktop set-ups to a VirtualBox environment, I switched to using XFCE4 for my desktop (“xubuntu”). This works very well and the transition is minor. Most of the applications I use work …