Category: Linux

System booting all right despite wrong root entry in /etc/fstab

Post author By Linux Questions
Post date November 29, 2020
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I have following disk structure: sda1 : Windows sda2 : an old Linux distribution sda3 : a new Linux distribution sda4 : data partition I have grub installed and I choose the system at boot time. I have now been using new Linux distribution only on sda3 and it is working all right. I had […]

Tags I am left on a terminal prompt asking me to login. I can still login but graphics do not start. I have corrected the fstab file so that root, I have following disk structure: sda1 : Windows sda2 : an old Linux distribution sda3 : a new Linux distribution sda4 : data partition I ha, noauto, not on sda2. I tried removing the root entry line from /etc/fstab. Then, on booting, the home folder is on sda3 only, the system is working all right and when I boot, unhide 0 0 It seems that the root entry is wrong: it should have been /dev/sda3 (I must have changed it by mistake). However, User>();

Linux Mastering Development

How do I write a shell script to delete the lines containing a word if it appears between specific position (character)?

I want to delete lines, with specific condition using bash script.. tried : sed ‘/(string)/d’ (Filename) but it is not enough, I need to search if a string is in specific range (first n character) then it will be deleted. if statement is needed to apply sed command. Let’s pretend that we have a file […]

Tags I need to search if a string is in specific range (first n character) then it will be deleted. if statement is needed to apply sed command., I want to delete lines, looking for it in the first 10 characters then deleting the line if we find the "le" in these range (from 3 to 10) the removed line is like:, with specific condition using bash script.. tried : sed '/(string)/d' (Filename) but it is not enough

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How can I search into first n characters of every single line of a file Centos7? [closed]

Post author By Linux Questions
Post date November 29, 2020
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Thanks to you all for your helpful information I really need help.. Q1: Write a shell script to delete the lines – in a given file – containing a word “le” if it appears between the 3th and 10th position (character). To enhance your script, you should read the word and the positions as an […]

Tags - If a file exists, and does the following tasks: - Checks the number of arguments and halts with suitable error message when they are not 4. - Checks whether th, and in the directory “Drafts”, be sure to separate each content in the resulted file with couple of empty lines and the files names you are processing. Q3 Using only one co, create set of 10 files with the following names pattern: script-X-file where X is a number between 0 and 9. - Then write a shell script that, it is my semester project.. and I am overweighed by studying and teaching or helping my colleague, move the converted files to the “Scripts” directory. ............ I really need the answers to these questions, otherwise the script should halt and respond with suitable error message. Q2: Write a script that receives four parameters (file names), Thank you very much.. I am looking forward to your review.. Thanks a lot.. Kind regards, Thanks to you all for your helpful information I really need help.. Q1: Write a shell script to delete the lines - in a given file - containi, then append its content to the end of the file “content.txt”, where the positions should be numbers, you should read the word and the positions as an input from the user

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Syntax error in grub.cfg on update-grub

Post author By Linux Questions
Post date November 29, 2020
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I run Ubuntu 20.04 and have this error when I do an update-grub command: root@ubuntu:/# update-grub Sourcing file `/etc/default/grub’ Sourcing file `/etc/default/grub.d/init-select.cfg’ Création du fichier de configuration GRUB… Image Linux trouvée : /boot/vmlinuz-5.8.0-25-generic Image mémoire initiale trouvée : /boot/initrd.img-5.8.0-25-generic Image Linux trouvée : /boot/vmlinuz-5.4.0-53-generic CentOS Linux 8 (Core) trouvé sur /dev/sdb9 Image Linux trouvée : /boot/vmlinuz-5.8.0-25-generic Image mémoire initiale […]

Tags and here is the snippet corresponding to the line and its surroundings: 152 ### END /etc/grub.d/31_linux_xen ### 153 154 ### BEGIN /etc/gru, I run Ubuntu 20.04 and have this error when I do an update-grub command: root@ubuntu:/# update-grub Sourcing file `/etc/default/grub' Sourci

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Fish: The file is not executable by this user

Post author By Linux Questions
Post date November 29, 2020
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I made fish function in ~/.config/fish/functions/confgit.fish: function confgit /home/john/Projects/confgit $argv end But when I run this function it just says: fish: The file “/home/john/Projects/./confgit” is not executable by this user /home/john/Projects/./confgit $argv ^ in function ‘confgit’ The config file is normal python script. If I run it by ./confgit it runs fine. How can I […]

Tags I made fish function in ~/.config/fish/functions/confgit.fish: function confgit /home/john/Projects/confgit $argv end But when I run th

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Append a string to every line in a text file using sed

Post author By Linux Questions
Post date November 29, 2020
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I have a txt file that contains a couple thousand dates. I would like to add a string to every line using osx bash. It works just fine in subline using regex but I can’t get it to do what I want in bash – even using the same regex. I figured SED is the […]

Tags added -E to get proper regex, I get a list of emails and between every line it adds another line with 'whatever'. sed 's/^$.*$$/\1whatever/g' testbase1.txt Here's the, I get the correct results (date, I have a txt file that contains a couple thousand dates. I would like to add a string to every line using osx bash. It works just fine in sub, then set 'select' every line and add 'whatever' to the end of it. However - sed is replacing the first letter of the line instead of appendin, then whatever) in the date/time file. However - in the email list

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how can I send destroy rather than shutdown to a specific QEMU VM/guest

Post author By Linux Questions
Post date November 29, 2020
No Comments on how can I send destroy rather than shutdown to a specific QEMU VM/guest

I have a number of guest machines (VMs) running on the same host. I have a set of them that respond normally to the shutdown command issued by the host when it resets, but I have some specific guest VMs that do not. This causes them to delay a reboot/shutdown of the host machine (which […]

Tags but at the very least my system (Ubuntu 20.04.1) will not recognize/parse on_shutdown even though it appears to know about reboot and powerof, but I have some specific guest VMs that do not. This causes them to delay a reboot/shutdown of the host machine (which I also have to do freq, but this appears to change the behavior for ALL the guest VMs. Is there some way to make this behavior specific to a given VM (or ideally a, I have a number of guest machines (VMs) running on the same host. I have a set of them that respond normally to the shutdown command issued b, while sending the others the standard shutdown signal. In the same config file there's the ON_SHUTDOWN= config

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xrandr scaling 2x1920x1200 + 3860×2400

Post author By Linux Questions
Post date November 29, 2020
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I’m pretty new to linux and I’m trying to setup my 2xFHD (DP1-1 and DP1-2) + 1xUHD (eDP1) (all 16:10) rig. (Two FHD in the top row and 4k screen in the bottom row) I’ve tried following command: xrandr –output DP1-1 –pos 0x0 –mode 1920×1200 –scale 2×2 –output eDP1 –primary –mode 3840×2400 –pos 0x600 –scale […]

Tags I'm pretty new to linux and I'm trying to setup my 2xFHD (DP1-1 and DP1-2) + 1xUHD (eDP1) (all 16:10) rig. (Two FHD in the top row and 4k scr

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Unable to Boot After Low Memory Warning and Upgrade

Post author By Linux Questions
Post date November 29, 2020
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I recently upgraded to Linux Mint 20 and I started getting warnings about low memory on a partition or something. After a reboot my computer didn’t start and it gave me this error: https://i.imgur.com/BrgU5TV.jpg. What is the issue I’m having and how can I fix this? Looking at my disk partitions with GParted I have: […]

Tags 0% unused I don't remember precisely what the low memory warning was, 0% unused sda3: what I think is my partition for user files 475 Gb used, but I believe it was about a particular partition., I recently upgraded to Linux Mint 20 and I started getting warnings about low memory on a partition or something. After a reboot my computer

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System has not been booted with systemd as init system (PID 1). Can’t operate. Failed to connect to bus: Host is down

I’m using Kali Linux the command I typed was sudo systemctl restart systemd-resolved.gz and all i get is System has not been booted with systemd as init system (PID 1). Can’t operate. Failed to connect to bus: Host is down I’m a noob but I am familiar with Kali Linux tho little bit

Tags I'm using Kali Linux the command I typed was sudo systemctl restart systemd-resolved.gz and all i get is System has not been booted with s