linux

How do I change the root user password in Ubuntu?

How do I change the root user password in Ubuntu?

How to find out the root password

How can I change my password? I can't log in to my computer. asks for the user's password? how can I find it.

How do I open a port in Ubuntu?

I'm new to ubuntu, so I can't figure out why the port doesn't open and how to do it anyway. Tell me, please! I tried to open ... EAM LISTENING 3215427067 /var/run/saslauthd/mux That is, like the 53rd port is open... How else can I open the ports?

Error installing Daedalus Wallet on Linux

I want to install Daedalus Wallet on Linux Mint Tricia. I wrote chmod +x daedalus-2.1.0-mainnet-14079.bin and ./daedalus-2.1 ... : ../run: 1: ../run: ./nix/store/pk5wvyzbzds9wfz33q9fr5bhlf1kqcjb-startup: not found. What should I do? Thank you in advance.

How can I view information about running processes on Ubuntu, without using ps, through the proc directory?

How to view information about running processes on Ubuntu without using ps, via the directory proc through the terminal? I don't quite understand

How do I get the folder size from the terminal in Ubuntu?

How do I get the folder size from the terminal in Ubuntu?

How do I compile an asm file and run it on Linux?

I created a file asm file and compiled it using the command nasm file -o outfile How do I run the program in the terminal now? (Run outfile)?

Nautilus does not open the file

I have xubuntu 18.04.2. It defaults to the thunar file manager. I don't like this manager, I prefer nautilus. I install nauti ... such a directory and file. I also found an option to edit /usr/bin/xdg-mime, but so far I haven't found the necessary lines.

ASM X86, linux, open file: can't!

Gentlemen, I am trying to understand the magic of syscalls. In C, everything is not very complicated. I tried to do this-fran ... Still after the call syscall the error code is located in the eax register. Tell me, please, what am I doing wrong? Thanks.

How do I install Cisco Packet Tracer in Fedora?

I was recently asked how to install Cisco Packet Tracer in Fedora Workstation. And in general, how to put it in a Linux syste ... u enter packettracer in the terminal and silence. There are also no icons with the program in the system after installation.

Close teamviewer

Good day gentlemen, There is a teamviewer software. Useful and necessary, but uncontrolled. I want to close it so that users do not let anyone into the network. Who has experience? P. s. There is also an ammyy admin-also a candidate for closure.

How do I remove the error output when running a command?

For example, the command: $ grep -lr "sample" . In addition to printing files that contain the string "sample", it outputs errors that clutter the output. grep:: No such file or directorygrep: : No such file or directory

centos how to open a port on iptables

I have CentOS 6 How to open the 10.10.10.100 port 123 in iptables for the address. So that a host with the address 10.10.10.100 can access my centos on this port 123.

Port forwarding and traffic redirection via iptables

There is a router 192.168.1.1, the Internet comes to it. On the router, port 6666 is forwarded to the server with Ubuntu (1 ... 192.168.1.2:6666. Redirect packets from 10.10.10.2 eth1 to the ip address available through this locale 192.168.100.1:6666.

Port 443 does not open on CentOS 7. Opened the port in iptables and disabledfirewalld

Port 443 does not open on CentOS 7. I opened the port in iptables and disabledfirewalld. Open ports in iptables: Chain INPUT ... 00046s latency). Not shown: 997 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind

Linux graphical shell and package manager removed

I downloaded the Synaptic program today, as I could not install the program due to problems with the package manager. The pro ... ugh a super user. If anyone knows what to do, please tell me. I would not like to reinstall the system. Thank you in advance.

Python versions on atom linux(ubuntu/mint)

I have several versions of python. I have linux mint. I use the atom code editor with the atom-python-run extension. I want t ... ion.7. When I run the code from pycharm it shows the path /usr/bin/python3. 7, how do I make the same python version in atom?

How do I assign an IP address to a specific network adapter in Linux/Unix?

How do I assign an IP address to a specific network adapter in Linux/Unix?

How do I upgrade Ubuntu to 19.10?

I am trying to update Ubuntu from 19.04 to 19.10. I use the command sudo update-manager -d. A window opens that says yes, the ... pdating, install all available updates for your version. sudo apt update and sudo apt upgrade do not install anything new.

How do I find the number of files in a subdirectory (folders count as a file) starting with a capital letter in shell Unix?

You need to count the number of files in the subdirectory that begin with a capital letter. How do I do this using the standard Unix shell filters?