# Ubuntu **URL:** https://community.unix.com/c/linux-unix-like/ubuntu/86.md [Latest](https://community.unix.com/latest.md) · [Categories](https://community.unix.com/categories.md) --- ## [About the Ubuntu category](https://community.unix.com/t/about-the-ubuntu-category/138125)
**Author:** [@system](https://community.unix.com/u/system)\ **Replies:** 0
Ubuntu is a complete desktop Linux operating system, freely available with both community and professional support. --- ## [Ubuntu website under attack](https://community.unix.com/t/ubuntu-website-under-attack/397493)
**Author:** [@MadeInGermany](https://community.unix.com/u/MadeInGermany)\ **Replies:** 4\ **Last updated:** [May 2, 2026, 1:25pm UTC](https://community.unix.com/t/ubuntu-website-under-attack/397493 "2026-05-02T13:25:23Z")
https://status.canonical.com/ --- ## [I need help stopping Firefox from updating](https://community.unix.com/t/i-need-help-stopping-firefox-from-updating/397281)
**Author:** [@cyclist3](https://community.unix.com/u/cyclist3)\ **Replies:** 6\ **Last updated:** [September 20, 2025, 9:30pm UTC](https://community.unix.com/t/i-need-help-stopping-firefox-from-updating/397281 "2025-09-20T21:30:14Z")
I am running Ubuntu-Mate 22.04. I am trying to prevent Firefox from ever updating. This did not work. andy@7:~/Temp$ sudo apt-mark hold firefox firefox was already set on hold. --- ## [I need help repairing my panel](https://community.unix.com/t/i-need-help-repairing-my-panel/397266)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 5\ **Last updated:** [September 18, 2025, 11:20am UTC](https://community.unix.com/t/i-need-help-repairing-my-panel/397266 "2025-09-18T11:20:27Z")
I managed to mess things up a bit here. I am using Ubuntu-Mate Release 22.04.5 LTS (Jammy Jellyfish) 64-bit I would like to restore it to where it shows all my open programs. Thanks. --- ## [Revert to Firefox 139 from 142](https://community.unix.com/t/revert-to-firefox-139-from-142/397267)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 5\ **Last updated:** [September 17, 2025, 6:12am UTC](https://community.unix.com/t/revert-to-firefox-139-from-142/397267 "2025-09-17T06:12:26Z")
I am getting no response to my post on MozillaZine. I want to revert back to Firefox 139 on Description: Ubuntu 22.04.5 LTS Release: 22.04 Codename: jammy Post by drew77 » Yesterday, 2:50 pm I am trying to revert … --- ## [SSH login still asking for password - help](https://community.unix.com/t/ssh-login-still-asking-for-password-help/396266)
**Author:** [@anon33609409](https://community.unix.com/u/anon33609409)\ **Replies:** 4\ **Last updated:** [January 15, 2025, 10:03am UTC](https://community.unix.com/t/ssh-login-still-asking-for-password-help/396266 "2025-01-15T10:03:50Z")
trying to set up ssh password-less login with private key, something I have done many times before but on this occasion I keep being asked for the password despite transferring the key. Troubleshooting I have done che… --- ## [Paste text to a new image using Gimp](https://community.unix.com/t/paste-text-to-a-new-image-using-gimp/395652)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 6\ **Last updated:** [December 7, 2024, 12:05pm UTC](https://community.unix.com/t/paste-text-to-a-new-image-using-gimp/395652 "2024-12-07T12:05:36Z")
I can not figure out how to paste text from a text program(Geany) into a blank Gimp image. Copying the text into the buffer and doing every Paste option does not work. I want to make an icon for the desktop that contai… --- ## [Replace string in file with another in multiple ads.txt files](https://community.unix.com/t/replace-string-in-file-with-another-in-multiple-ads-txt-files/395116)
**Author:** [@nosaj](https://community.unix.com/u/nosaj)\ **Replies:** 1\ **Last updated:** [August 25, 2024, 2:23am UTC](https://community.unix.com/t/replace-string-in-file-with-another-in-multiple-ads-txt-files/395116 "2024-08-25T02:23:14Z")
I have a website where i need to replace a string in ads .txt i have ssh access but it seems there are multiple ads .txt How might i best accomplish this? Thanks, Jason --- ## [I need precise instructions for installing java and porting a windows app to linux](https://community.unix.com/t/i-need-precise-instructions-for-installing-java-and-porting-a-windows-app-to-linux/394088)
**Author:** [@BruceJ](https://community.unix.com/u/BruceJ)\ **Replies:** 3\ **Last updated:** [May 12, 2024, 1:02pm UTC](https://community.unix.com/t/i-need-precise-instructions-for-installing-java-and-porting-a-windows-app-to-linux/394088 "2024-05-12T13:02:35Z")
I have java 8 installed and running on Ubuntu 22.04 LTS. How do I make (re-compile?) a Windows java app to run on Ubuntu? --- ## [Gcc 6.5 compilation issue on ubuntu 20.04](https://community.unix.com/t/gcc-6-5-compilation-issue-on-ubuntu-20-04/392619)
**Author:** [@pankajd](https://community.unix.com/u/pankajd)\ **Replies:** 0\ **Last updated:** [November 27, 2023, 10:43am UTC](https://community.unix.com/t/gcc-6-5-compilation-issue-on-ubuntu-20-04/392619 "2023-11-27T10:43:56Z")
In file included from ../../.././libsanitizer/sanitizer\_common/sanitizer\_platform\_limits\_posix.cc:186:0: ../../.././libsanitizer/sanitizer\_common/sanitizer\_internal\_defs.h:254:72: error: size of array ‘assertion\_failed\_… --- ## [Facing issue while uploading file on FTP client](https://community.unix.com/t/facing-issue-while-uploading-file-on-ftp-client/392073)
**Author:** [@vrohilla](https://community.unix.com/u/vrohilla)\ **Replies:** 12\ **Last updated:** [September 25, 2023, 11:27am UTC](https://community.unix.com/t/facing-issue-while-uploading-file-on-ftp-client/392073 "2023-09-25T11:27:10Z")
I'm attempting to upload an mp4 file (112MB) to a Linux server. After a successful transfer, its size is reduced to 103MB or 80MB. It is not uploading the full size. Its Owner/Group changed automatically into root/root a… --- ## [Auth.log file not recording](https://community.unix.com/t/auth-log-file-not-recording/391005)
**Author:** [@baris35](https://community.unix.com/u/baris35)\ **Replies:** 3\ **Last updated:** [May 18, 2023, 7:49am UTC](https://community.unix.com/t/auth-log-file-not-recording/391005 "2023-05-18T07:49:05Z")
Hello All, My question is regarding auth.log file under ubuntu20.04 After surfing on google, I read some threads but could not have found matching answer for my case. Some says "you can use journal-ctl command to see … --- ## [How to set the path from 1 ubuntu system to another system?](https://community.unix.com/t/how-to-set-the-path-from-1-ubuntu-system-to-another-system/388984)
**Author:** [@Santhosh](https://community.unix.com/u/Santhosh)\ **Replies:** 3\ **Last updated:** [January 22, 2023, 4:07pm UTC](https://community.unix.com/t/how-to-set-the-path-from-1-ubuntu-system-to-another-system/388984 "2023-01-22T16:07:24Z")
Hi, I need to set the path from one ubuntu server to another one. I have installed postgresql on one system. I need to install thingworx on another system. the thingworx system requires postgresql path in $PATH. How to… --- ## [Hash mismatch while updating/installing apt packages](https://community.unix.com/t/hash-mismatch-while-updating-installing-apt-packages/388420)
**Author:** [@PirateofAndaman](https://community.unix.com/u/PirateofAndaman)\ **Replies:** 2\ **Last updated:** [October 15, 2022, 12:11pm UTC](https://community.unix.com/t/hash-mismatch-while-updating-installing-apt-packages/388420 "2022-10-15T12:11:08Z")
While I try to install or update any package via apt it says hash mismatch and similarly while using snap it says (local error:"tls: bad record MAC"). --- ## [Xubuntu 22.04 freeze desktop, but can ssh](https://community.unix.com/t/xubuntu-22-04-freeze-desktop-but-can-ssh/387248)
**Author:** [@tomislav91](https://community.unix.com/u/tomislav91)\ **Replies:** 14\ **Last updated:** [July 11, 2022, 9:26am UTC](https://community.unix.com/t/xubuntu-22-04-freeze-desktop-but-can-ssh/387248 "2022-07-11T09:26:39Z")
i am considering to go to xubuntu 22.04 but it keeps freezing after couple of minutes (using or not using at all).I can use mouse, but can't click to anything, open terminal or something else, but i can reach to it via c… --- ## [PHP 5.6 mysqli and other modules](https://community.unix.com/t/php-5-6-mysqli-and-other-modules/383694)
**Author:** [@Cherimos](https://community.unix.com/u/Cherimos)\ **Replies:** 1\ **Last updated:** [August 26, 2021, 1:55pm UTC](https://community.unix.com/t/php-5-6-mysqli-and-other-modules/383694 "2021-08-26T13:55:32Z")
I installed an apache2 on a ubuntu 18.4 with php 5.6 for an old project I'm working on. Unfortunately I can't install the requested modules like mysqli and gd2 for php5.6 because they are not available anywhere. Is there… --- ## [Getting PHP 5.3 to work with NGINX](https://community.unix.com/t/getting-php-5-3-to-work-with-nginx/383692)
**Author:** [@Cherimos](https://community.unix.com/u/Cherimos)\ **Replies:** 1\ **Last updated:** [August 26, 2021, 10:32am UTC](https://community.unix.com/t/getting-php-5-3-to-work-with-nginx/383692 "2021-08-26T10:32:40Z")
For specific reasons I installed PHP 5.3.5 on an Ubuntu Server 18.04 LTS. At the moment I can't get the php to work when I call it. I used the following topic to install PHP 5.3 When calling index.php I get a 404 ba… --- ## [Cannot use iptables on Ubuntu](https://community.unix.com/t/cannot-use-iptables-on-ubuntu/382566)
**Author:** [@bucminhdo](https://community.unix.com/u/bucminhdo)\ **Replies:** 4\ **Last updated:** [April 24, 2021, 8:17am UTC](https://community.unix.com/t/cannot-use-iptables-on-ubuntu/382566 "2021-04-24T08:17:13Z")
Hello Guys, As the title does I am using Ubuntu 20.04 and I would like to use iptables instead of using ufw So I disable ufw firewall root@Ubunserver:~# systemctl stop ufw root@Ubunserver:~# systemctl disable ufw roo… --- ## [Screen Tearing with Intel Graphics](https://community.unix.com/t/screen-tearing-with-intel-graphics/380604)
**Author:** [@Minibus93](https://community.unix.com/u/Minibus93)\ **Replies:** 4\ **Last updated:** [November 3, 2020, 7:43pm UTC](https://community.unix.com/t/screen-tearing-with-intel-graphics/380604 "2020-11-03T19:43:10Z")
Hello, I'm experiencing screen tearing while scrolling and while watching movies and I want to fix this issue. My pc has a Intel Integrated graphics. I read the whole arch wiki and figured that a fix could be modifying… --- ## [Need help on getting why a users IP getting blocked by sshguard](https://community.unix.com/t/need-help-on-getting-why-a-users-ip-getting-blocked-by-sshguard/379582)
**Author:** [@kkraju90](https://community.unix.com/u/kkraju90)\ **Replies:** 3\ **Last updated:** [August 14, 2020, 9:14am UTC](https://community.unix.com/t/need-help-on-getting-why-a-users-ip-getting-blocked-by-sshguard/379582 "2020-08-14T09:14:45Z")
A user is getting blocked by sshguard frequently. Aug 10 19:13:36 betel.com sshguard\[23886\]: Blocking \:4 for \>630secs: 40 danger in 4 attacks over 4 seconds (all: 40d in 1 abuses over 4s). In auth.log : Aug 10 10… --- ## [Can you please help me understand the file content](https://community.unix.com/t/can-you-please-help-me-understand-the-file-content/378907)
**Author:** [@kkraju90](https://community.unix.com/u/kkraju90)\ **Replies:** 3\ **Last updated:** [June 18, 2020, 3:12pm UTC](https://community.unix.com/t/can-you-please-help-me-understand-the-file-content/378907 "2020-06-18T15:12:36Z")
Hi, The sssd service of my ubuntu machine is crashing often, sometime due to Out of memory, this time I got a dump in /var/crash. Can someone help me understanding the file content, because it doesn't make sense. Thanks … --- ## [Device: /dev/sdb \[SAT\], unable to open device](https://community.unix.com/t/device-dev-sdb-sat-unable-to-open-device/378617)
**Author:** [@kkraju90](https://community.unix.com/u/kkraju90)\ **Replies:** 10\ **Last updated:** [May 28, 2020, 4:46pm UTC](https://community.unix.com/t/device-dev-sdb-sat-unable-to-open-device/378617 "2020-05-28T16:46:22Z")
HI, Device: /dev/sdb \[SAT\], unable to open device SMART error (FailedOpenDevice) detected on host: host05 Device info: ST186000NSM0007-2AS1101, S/N:ZJV214CX2, 12.0 TB I am getting this error after removing the disk SD… --- ## [Backup and Recovery](https://community.unix.com/t/backup-and-recovery/376431)
**Author:** [@engineer2002](https://community.unix.com/u/engineer2002)\ **Replies:** 6\ **Last updated:** [October 15, 2019, 3:37am UTC](https://community.unix.com/t/backup-and-recovery/376431 "2019-10-15T03:37:48Z")
Is it possible to take incremental backup in Linux using tar command? Please guide me. Suppose I have a directory /data. And want incremental backup. What will be the incremental “tar” command syntax? --- ## [Trouble Connecting to Wi-Fi Via GUI](https://community.unix.com/t/trouble-connecting-to-wi-fi-via-gui/376381)
**Author:** [@AntumDeluge](https://community.unix.com/u/AntumDeluge)\ **Replies:** 7\ **Last updated:** [October 9, 2019, 8:30pm UTC](https://community.unix.com/t/trouble-connecting-to-wi-fi-via-gui/376381 "2019-10-09T20:30:32Z")
Note: I originally posted this question on unix.stackexchange.com. But as my question was down-voted within an hour of asking, I came to the conclusion that perhaps I need to quit attempting to get help on StackExchange … --- ## [Zip a file with no extension](https://community.unix.com/t/zip-a-file-with-no-extension/375320)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 14\ **Last updated:** [April 12, 2019, 2:32pm UTC](https://community.unix.com/t/zip-a-file-with-no-extension/375320 "2019-04-12T14:32:00Z")
I would like to include in my zip file a particular file name On\_Resume which has no file extension. This does not work. zip -u Ubuntu\_Documents.zip \*.txt \*.doc \*.rtf \*.html \*.png \*.pdf \*.odt \*.ods \*.odg \*.csv \*.png \*.… --- ## [Using color in scripts](https://community.unix.com/t/using-color-in-scripts/375374)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 18\ **Last updated:** [April 11, 2019, 10:20pm UTC](https://community.unix.com/t/using-color-in-scripts/375374 "2019-04-11T22:20:09Z")
This is supposed to colorize. But it outputs this 3\[0;32mFile exists.3\[0m GREEN='3\[0;32m' RED='3\[0;31m' WHITE='3\[0;37m' RESET='3\[0m' FILE="/usr/share/sounds/My\_Sounds/Short\_doorbell.wav" if \[ -f "$FILE" \]; then … --- ## [Countdown timer with seconds](https://community.unix.com/t/countdown-timer-with-seconds/375341)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 7\ **Last updated:** [April 7, 2019, 4:56pm UTC](https://community.unix.com/t/countdown-timer-with-seconds/375341 "2019-04-07T16:56:54Z")
I would like this to work with seconds as well. #!/bin/bash # if "$#" -lt "2" \] ; then echo "Incorrect usage ! Example:" echo './CountDown.sh -d "Jun 10 2011 16:06"' echo 'or' echo './CountDown.… --- ## [Permission denied](https://community.unix.com/t/permission-denied/375338)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 5\ **Last updated:** [April 6, 2019, 9:14am UTC](https://community.unix.com/t/permission-denied/375338 "2019-04-06T09:14:42Z")
Trying to get date into the txt file. It says Permission denied. echo $(date +%I:%M:%S\_%D) \>\> /tmp/systemd\_suspend\_test\_err.txt exec 2\>\> /tmp/systemd\_suspend\_test\_err.txt if "${1}" = "pre" \]; then # Do the thing y… --- ## [Debug script](https://community.unix.com/t/debug-script/375294)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 21\ **Last updated:** [April 5, 2019, 1:04pm UTC](https://community.unix.com/t/debug-script/375294 "2019-04-05T13:04:57Z")
How can I debug this script? I want to know what it is doing or not doing? #!/bin/bash # # if "${1}" = "pre" \]; then # Do the thing you want before suspend here echo "we are suspending." \> /tmp/systemd\_suspend\_te… --- ## [What does if \[ "${1}" == "pre" \]; do?](https://community.unix.com/t/what-does-if-1-pre-do/375280)
**Author:** [@drew77](https://community.unix.com/u/drew77)\ **Replies:** 4\ **Last updated:** [April 1, 2019, 10:55am UTC](https://community.unix.com/t/what-does-if-1-pre-do/375280 "2019-04-01T10:55:33Z")
I am trying to run a command after my computer returns from suspend. Script came from here. Running scripts before and after suspend with systemd \<\< Just another Linux geek (It is not currently not working.) What do… [Next page](https://community.unix.com/c/linux-unix-like/ubuntu/86.md?page=1)