Questions tagged [terminal]

Terminal: 1) A device or program used to talk to a terminal server, usually over Serial or RDP, 2) A synonym for command-shell or command line, 3) A specific OS X program.

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1 answer
299 views

Error SSH connection. Connection timed ou t

I am not able to connect via SSH to my server and I dont know the reasons. SSHD its running and ports are open in UFW. I tried to change ports but the issue persist. Also tried differents machines and ...
1 vote
3 answers
20k views

-bash: apt-get: command not found

Over the course of uninstalling the HP/palm enyo SDK and installing node JS I somehow goofed up something (I think my path). Now when I try use apt-get I get the following: -bash: apt-get: command ...
0 votes
0 answers
637 views

System has not been booted with systemd as init system (PID 1). Can't operate. ( Openvpn )

I'm pretty new to Linux and i'm still learning the ropes of it. I tried starting the openvpn service using both "systemd start openvpn@server" and "sudo systemctl start openvpn@server&...
3 votes
2 answers
2k views

make systemd pager not do horizontal scroll, and wrap to next line instead

By default systemd (v245) on Ubuntu 20.04 focal, if I do systemctl status $THING, and the output lines are longer than my screen, then the default pager (less?) will do horizontal scrolling. I would ...
1 vote
3 answers
3k views

Add swap partition on zram device using udev rule

System: CentOS 7 cat /etc/udev/rules.d/10-zram.rules ACTION=="add", SUBSYSTEM=="block", KERNEL=="zram0", DRIVER=="", ATTR{disksize}=="0", ATTR{disksize}="512M", RUN+="/usr/bin/systemd-run /sbin/...
39 votes
5 answers
31k views

Is it possible to change value of $TERM when calling ssh?

On my local terminal, I have TERM=konsole-256color, but not all remote machine I connect to have this definition. Is it possible to make ssh change the TERM on remote machine? Without changing .bash* ...
16 votes
4 answers
12k views

virsh console and tty size

I have a virtualization server to which I connect over ssh. If I now change the size of the window it will automatically propagate to the server. It's most easily seen using stty -a, checking the ...
14 votes
5 answers
18k views

List supported terminal types?

Is there a portable way to list supported terminal types on all NX systems? If not, what's the best way to get this list on Solaris?
0 votes
1 answer
287 views

TC Corruption of Packets Ingress

I’m new to tc & this may be naive question but correct me if I’m wrong tc qdisc change dev eth0 root netem corrupt 5% Does above command corrupt ingress packets only ? If Yes, does outgress ...
0 votes
1 answer
178 views

When process writes to pseudoterminal slave, why it doesn't read what it wrote?

Here is my bash session: lrwx------ 1 stas stas 64 Mar 5 18:18 0 -> /dev/pts/0 lrwx------ 1 stas stas 64 Mar 5 18:18 1 -> /dev/pts/0 lrwx------ 1 stas stas 64 Mar 5 18:18 2 -> /dev/pts/0 ...
15 votes
6 answers
23k views

How can I automatically change terminal colors when I ssh a server?

I'm frequently logging into different servers from my os x terminal window. I'd like to assign a color scheme for different hosts so that my terminal windows are easier to tell apart. Can this be ...
6 votes
3 answers
3k views

configuring command prompt in Asterisk CLI

I am trying to set up color prompt in asterisk CLI. In the documentation I have found this: %Cn[;n] Change terminal foreground (and optional background) color to specified. A full list of colors may ...
0 votes
1 answer
2k views

MySQL connection via SSH tunnel on MacOS doesn't work [closed]

I've been trying to set up a SSH tunnel with VPN on my macbook with Big Sur 11.2, but it doesn't seem to work. On my linux machine, I can simply turn on the VPN and make a SSH-tunnel. Then I can just ...
1 vote
2 answers
513 views

root user terminal slower than non-root in Debian GNU/Linux 10 (buster)

I have to quantify slow here. It is noticeably slow, but not extreme. Here is a test I did. I pasted the below (time in nanoseconds command) on terminal as a non-root user and then as root user (I ...
0 votes
3 answers
200 views

How does the A record change over time by running a DNS query? [closed]

I am running a DNS query on www.wikipedia.org using Google's public resolver @8.8.8.8 using the mac terminal. I have to get the A records for the host and run the query a couple of times to notice any ...
2 votes
2 answers
9k views

TTY "Serial" Terminal over USB?

I have a few servers in a rack that like to drop their network connection, requiring a restart and/or handheld intervention. I purchased a Linksys NSLU2 and installed Debian on it in order to create a ...
0 votes
1 answer
244 views

ubuntu run multiple commands with one process

On my dev machine, I'm very often starting a lot of services at once (10+), and then at once I kill them using CTRL+C (very important). The problem is that the output will be presented is only for the ...
1 vote
0 answers
92 views

Ubuntu Serial Console Installer Encoding Issue

I'm trying to install Ubuntu 18.04 LTS via serial console. My PXE boot menu works fine, the initial load of the kernel into the ramdisk is legible, but as soon as the Ubuntu installer menu appears, ...
0 votes
1 answer
3k views

How to start a gnome-terminal with command from the systemd service on Ubuntu 20.04?

I wrote e service file called /etc/systemd/system/mytest.service . Then I would like to start a new terminal window with some commands that print on the new terminal console. The file mytest.service ...
1 vote
1 answer
807 views

Running clamscan with the file list function

I am trying to schedule some tasks using ClamAV but it cannot find the find the file that contains the directories I want it to scan.   *Using sudo doesn't work.   *The files are set with permissions ...
0 votes
1 answer
590 views

Bash Script terminates when shell terminal is closed [closed]

I'm able to successfully run the script below from a terminal in ubuntu 14.04. However, when I close the terminal the vlc process also terminates which I don't want. I've tried using "&&...
0 votes
0 answers
83 views

Read files from an encrypted disk?

Is it possible to read from an LUKS-encrypted disk via the terminal, e.g. by booting from a live Linux system on a USB flash drive and accessing the encrypted host computer's hard drive?
5 votes
1 answer
3k views

Turn off colours temporarily for ansible ad-hoc commands

When I run an ansible (v2.9.9) ad-hoc command, the output is colourized. Green for successful resuilts etc. I am building up a bash pipeline, so how can I tell ansible to not colourize the output?
0 votes
1 answer
98 views

Getting two different results when 'cat'ing a file, and 'cat'ing a file into a variable in zsh? [closed]

The file in question is /sys/class/power_supply/BAT0/status. When I cat it, I receive Full. But when I do status="$(cat /sys/class/power_supply/BAT0/status)" and then echo status, I receive ...
0 votes
1 answer
5k views

Change background color in dialogs bash [closed]

I have a server (without GUI), I would like to create a box message in the tty. Is this possible? Getting the example of htop command UPDATE -----------------------------------------------------------...
0 votes
2 answers
288 views

Change linux shell

On my Centos7 Server I have different shells for my users. For example the terminal as root looks like: [root@hostname www]#. The terminal as a different user looks like bash-4.2$. If I type echo $0 ...
2 votes
2 answers
529 views

Is there a linux tool that will print Load Average and CPU percent idle every x seconds?

I cannot seem to find a tool that prints LOAD AVERAGE and CPU PERCENT IDLE every X seconds in a terminal window. I am looking for something along the lines of vmstat but with those two values that top ...
7 votes
4 answers
4k views

Prevent accidental execution of commands in Linux if pasting text containing one or more return characters

Sometimes if text that is on the clipboard is pasted into shell and it contains a return character it will execute even though that wasn't the intention. Sometimes even multiple lines may be pasted ...
-1 votes
1 answer
2k views

terminal shows percent sign at the end of the path [closed]

Since today, my terminal shows a percent sign (%) at the end of the path. what is this and why this happens? Is it means a special thing?
0 votes
0 answers
549 views

Why is there an error on running host program using git bash terminal?

I am using git bash as a terminal to run code. I doing a course where it has asked us to use the host program to look up host names using DNS. However when I run nslookup it works fine. screenshot of ...
1 vote
1 answer
2k views

I can't connect to AWS RDS from Terminal with MAC OS X Catalina [closed]

I've been taking a course from Udemy on AWS and I am trying to connect to RDS using an instance. I've installed MySQL and am running MySQL Workbench. I'm trying to access my instance using terminal ...
1 vote
0 answers
113 views

accessing github in powershell/terminal resolves to localhost

So I live in China and am using shadowsocksR on my router to bypass the Great firewall. Today when i try to update flutter using the powershell in VScode the powershell gives the error "fatal: ...
0 votes
2 answers
1k views

Moving files from one folder to another based on specific condition

I have hundreds of thousands of folders of photos. For whatever reason on the export they created several scenarios like this: 2019/01/01 2019/01/01 #2 How do I write a linux command (ideally which ...
3 votes
1 answer
4k views

How do I convert a plaintext file to a PDF on the command line on Windows 10 without paying money? [closed]

All I want is to turn a .txt with a proportional font (monospace/Courier New/Fixedsys/whatever) and fixed column width (80 chars) to be turned into a correct PDF document, so that it can be printed or ...
0 votes
1 answer
152 views

Alternative terminal emulation for Google Cloud browser SSH login?

Can the Google Cloud SSH browser support any other character sets besides ASCII? I go into my Dashboard, then click on SSH. After that, the CLI "gui" uses extended ASCII. Instead of extended ASCII ...
0 votes
1 answer
631 views

LINUX: is it posible to show on tty1 the same thing I see when logged in via ssh?

I am logged in via ssh int a foreign Linux box, and the owner want to assist me from tty1. I tried to convince him to log also in and share a screen with me. He insists he want to assist me from tty1....
1 vote
1 answer
557 views

Accomplishing Ctrl-z + bg in one step?

We can use Ctrl-z to stop the current job followed by bg to send it to the background, but can we do this in one action that doesn't briefly pause the execution of the program? Is there a combined ...
0 votes
1 answer
915 views

I broke my terminal trying to set up PATH environment to bin the JAVA directory and now nothing works, no bash commands, etc. Can I reset?

Basically I was just trying to set up a PATH environment variable that pointed to the /bin directory inside the main Java directory. I did this by doing: sudo nano /etc/paths. But then couldn't get ...
1 vote
0 answers
64 views

Terminal command to show a specific line extract from the output, along with the full output

I have a build command that outputs a lot of content, and within it, there's a link that I need to copy & paste. So I'd like to be able to do some terminal acrobatics so that this command does ...
1 vote
0 answers
153 views

Redirect Console Output ,Terminal (macOS, CentOS) / Cmd (Windows) to Remote Syslog or Server Logs

I have One workstation running multiple instances of Java applications by Console/Terminal for Testing, and I develop an application for Listening Logs, TCP like (http://esus.com/using-java-util-...
-1 votes
1 answer
3k views

is there a way to pretty print the output of "ps" to include the "rss" memory value?

I have a python script which takes in processes in csv format and decides things based on what's running, it's name, and how much cpu time it's using. I would like to add processes that also use lots ...
0 votes
1 answer
844 views

"ssh root@ip_address" from powershell to Google cloud instance gives error “Permission denied (publickey)”

I've 2 compute engine instances of Ubuntu 18.04 running on Google Cloud Platform. Although i'm able to connect to them thru Putty's terminal from my Win10 PC, but I'm not able to connect to any of the ...
15 votes
6 answers
21k views

How to find out the virtualization type of an linux VPS?

Having access to an VPS, i need to know which type of virtualization it is running from the terminal. How can determine the virtualization platform that my VM is running on? (OpenVZ, Xen, KVM, etc?)
2 votes
3 answers
2k views

`less` not able to display special characters

I stumbled upon bad special characters in some manpages: If your terminal is a "true" auto-margin terminal (it doesn▒<80><99>t allow the last position on the screen to be updated ...
8 votes
3 answers
15k views

create zip based on contents of a file list

I created a file with diff files diff-files.txt it has 6000+ file paths in it. Now I want want to create a zip based on those files. I know I can zip multiple files with: zip diffedfiles.zip file1 ...
0 votes
1 answer
81 views

Error running commands using shell although successfully run line by line manually

I'm using centos7 RHEL on vagrant virtualbox, I'm making a shell file that when I activate vagrant it runs the commands in the shell file on the virtual OS. When I use SSH and run each line on ...
3 votes
2 answers
33k views

How to access FTP server in terminal using proxy?

I have Ubuntu 16.04 installed on my pc. My network require http proxy to access the internet. Say Proxy is "xxx.xx.xx.xx" and port is "8080". I set up system proxy for http, https and ftp. I am able ...
-2 votes
1 answer
203 views

Centos - terminal creates directories/files with no owner/group? [closed]

I'm very new to server admin. I'm having an issue whereby any file or folder I create via the terminal on WHM (Centos 7.6) results in a file/folder with 0/0 user and group stat. Example command: ...
7 votes
3 answers
44k views

Changing terminal colors in Ubuntu Server [closed]

I'd like to change the colors. The lime green hilighting on pale blue colored file names is killing my eyes. I'm not sure if I'm using xterm or gnome or whatever, but I would like to change the ...
1 vote
0 answers
52 views

Why is sudo password entering lost

When I use sudo command and pipe it to another command, e.g. sudo dnf search foo | grep bar there is a prompt requiring to enter the password. Following this answer, sudo directly accesses the ...

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