Progressbar in bash to visualize the time to wait
In a bash script sometimes you need the user to wait some seconds for a background process to finish.
Unix & Linux
Populate an entire pre-configured workspace in i3wm
Is it possible with I3Wm to populate an entire workspace with determined size, position and commands for each window?
udev rule for assigning known symlinks for identical usb serial devices
I have two (and possibly in the future, more) USB serial devices which are identical (down to the serial number, unfortunately) – they’re actually BTC miners. Currently they end up as ttyUSBX where X is 0, 1 or 2, as there’s another unrelated USB serial device as well (which need not be worried about here).
Stop systemd service before suspend, start again after resume
What I want I have a systemd service that I would like to have stopped before suspend/shutdown, and start up again after resume. System details System details below. $ lsb_release -dc Description: Ubuntu 20.04.1 LTS Codename: focal $ systemd –version systemd 245 (245.4-4ubuntu3.3) +PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL … Read more
Route SSH to host through interface
Is it possible to route all outgoing requests for SSH (port 22) to mydynamicdns.afraid.org via wlan0 instead of eth0 when both are connected?
How to mount ufs file system under Debian testing?
In order to mount my /dev/sda4 under /mnt/ufs_mount on Debian Testing , i have tried the following commands (it works fine under Debian Jessie):
iptables/pf rule to only allow XY application/user?
I think there is no iptables/pf solution to only allow an XY application on e.g.: outbound tcp port 80, eth0. So if I have a userid: “500” then how could I block any other communications then the mentioned on port 80/outbound/tcp/eth0? (e.g.: just privoxy is using port 80 on eth0)
How can I convert timestamps in a column to a date?
I have a file containing this:
Keep running a script via ssh
ssh can use to run remote commands.
How does fork system call really works
I’ve a very specific question about fork system call. I’ve this piece of code: