# ETC **URL:** https://community.unix.com/c/etc/94.md [Latest](https://community.unix.com/latest.md) · [Categories](https://community.unix.com/categories.md) --- ## [About the ETC category](https://community.unix.com/t/about-the-etc-category/138133)
**Author:** [@system](https://community.unix.com/u/system)\ **Replies:** 0\ **Last updated:** [March 15, 2020, 7:14pm UTC](https://community.unix.com/t/about-the-etc-category/138133 "2020-03-15T19:14:17Z")
et cetera --- ## [Welcome to the Lounge](https://community.unix.com/t/welcome-to-the-lounge/8)
**Author:** [@system](https://community.unix.com/u/system)\ **Replies:** 0\ **Last updated:** [March 15, 2020, 4:26am UTC](https://community.unix.com/t/welcome-to-the-lounge/8 "2020-03-15T04:26:38Z")
Congratulations! :confetti\_ball: If you can see this topic, you were recently promoted to regular (trust level 3). You can now … Edit the title of any topic Change the category of any topic Have all your links follow… --- ## [Guess the insertion order from the provided B-tree? Hard puzzle problem](https://community.unix.com/t/guess-the-insertion-order-from-the-provided-b-tree-hard-puzzle-problem/397528)
**Author:** [@Ihattaren](https://community.unix.com/u/Ihattaren)\ **Replies:** 3\ **Last updated:** [August 14, 2026, 1:46am UTC](https://community.unix.com/t/guess-the-insertion-order-from-the-provided-b-tree-hard-puzzle-problem/397528 "2026-08-14T01:46:10Z")
--- ## [Microsoft under fire for threatening security researcher with criminal investigation](https://community.unix.com/t/microsoft-under-fire-for-threatening-security-researcher-with-criminal-investigation/397503)
**Author:** [@Neo](https://community.unix.com/u/Neo)\ **Replies:** 3\ **Last updated:** [May 31, 2026, 8:19am UTC](https://community.unix.com/t/microsoft-under-fire-for-threatening-security-researcher-with-criminal-investigation/397503 "2026-05-31T08:19:11Z")
Microsoft seems to be in free fall: After a security researcher published a series of unpatched bugs in Microsoft products, along with code to exploit them, the company is now threatening to take legal action and call … --- ## [Trends in supercomputer rankings](https://community.unix.com/t/trends-in-supercomputer-rankings/397242)
**Author:** [@technossomy](https://community.unix.com/u/technossomy)\ **Replies:** 0\ **Last updated:** [August 22, 2025, 1:41pm UTC](https://community.unix.com/t/trends-in-supercomputer-rankings/397242 "2025-08-22T13:41:43Z")
Collected a few data points of some supercomputers, each of which outside the top 10, to see how their ranking changes over time. Low variability: crossovers are rare. Data quality issues have been left in, such as the m… --- ## [Cygwin script error during install](https://community.unix.com/t/cygwin-script-error-during-install/396795)
**Author:** [@Uruk-hai](https://community.unix.com/u/Uruk-hai)\ **Replies:** 6\ **Last updated:** [May 17, 2025, 9:39pm UTC](https://community.unix.com/t/cygwin-script-error-during-install/396795 "2025-05-17T21:39:11Z")
I'm installing Xfig and cygwin under Win 8.1, and I'm getting an error that I could not resolve since I'm not much of a bash programmer, The error: running: C:\\cygwin64\\bin\\bash.exe --norc --noprofile "/etc/postinstall… --- ## [DNS times out twice and then resolve](https://community.unix.com/t/dns-times-out-twice-and-then-resolve/396941)
**Author:** [@solaris\_1977](https://community.unix.com/u/solaris_1977)\ **Replies:** 5\ **Last updated:** [May 16, 2025, 9:00am UTC](https://community.unix.com/t/dns-times-out-twice-and-then-resolve/396941 "2025-05-16T09:00:31Z")
Hello. I am seeing one issue in resolving server's FQDN from our corporate laptop. Here is the setup, where I am seeing consistent behaviour from my laptop: PS C:\\Tools\\PsPing\> nslookup server42-prod.dupoint.com Server… --- ## [Awk command to calculate occurrences of second column matching numbers based on first column value](https://community.unix.com/t/awk-command-to-calculate-occurrences-of-second-column-matching-numbers-based-on-first-column-value/396860)
**Author:** [@pramod\_96](https://community.unix.com/u/pramod_96)\ **Replies:** 6\ **Last updated:** [April 28, 2025, 8:08am UTC](https://community.unix.com/t/awk-command-to-calculate-occurrences-of-second-column-matching-numbers-based-on-first-column-value/396860 "2025-04-28T08:08:10Z")
I have input file with name Data.txt and it has content as below - ACOP,1 ACOP,1 ACBC,1 DSRA,2 DSRA,4 ACOP,5 TRAN,3 ACOP,5 ACBC,1 DSRA,12 and I want output as below Name,1,2,3,4,5,12,Total ACOP,2,0,0,0,2,0,4 ACBC,2,0,… --- ## [Sshwifty not responding](https://community.unix.com/t/sshwifty-not-responding/396208)
**Author:** [@ignatius](https://community.unix.com/u/ignatius)\ **Replies:** 5\ **Last updated:** [January 1, 2025, 12:05pm UTC](https://community.unix.com/t/sshwifty-not-responding/396208 "2025-01-01T12:05:37Z")
Hello. I'm having a problem with Sshwifty. I can load it on my website, but it doesn't actually allow me to connect to anything. I get this message whenever I try to click on "SSH" or "Telnet". "Unable to connect to the… --- ## [Write the following function that tests whether a two-dimensional list has four consecutive numbers of the same value, either horizontally, vertically, or diagonally](https://community.unix.com/t/write-the-following-function-that-tests-whether-a-two-dimensional-list-has-four-consecutive-numbers-of-the-same-value-either-horizontally-vertically-or-diagonally/395773)
**Author:** [@Ihattaren](https://community.unix.com/u/Ihattaren)\ **Replies:** 1\ **Last updated:** [November 19, 2024, 7:48am UTC](https://community.unix.com/t/write-the-following-function-that-tests-whether-a-two-dimensional-list-has-four-consecutive-numbers-of-the-same-value-either-horizontally-vertically-or-diagonally/395773 "2024-11-19T07:48:02Z")
Problem Description: public static boolean isConsecutiveFour(int\[\]\[\] values) Write a test program that prompts the user to enter the number of rows and columns of a two-dimensional list and then the values in the list… --- ## [I don't understand mounting/Persistent Volume in Linux/docker?](https://community.unix.com/t/i-dont-understand-mounting-persistent-volume-in-linux-docker/395031)
**Author:** [@Ihattaren](https://community.unix.com/u/Ihattaren)\ **Replies:** 5\ **Last updated:** [August 20, 2024, 11:34am UTC](https://community.unix.com/t/i-dont-understand-mounting-persistent-volume-in-linux-docker/395031 "2024-08-20T11:34:14Z")
I've worked with them and imitated other configurations to write a new configurations. But I've never understood what mounting means. What persistent volume means? And where do its roots lie in? I really want to understa… --- ## [Linux (We cannot understand this post)](https://community.unix.com/t/linux-we-cannot-understand-this-post/394782)
**Author:** [@PoohNess](https://community.unix.com/u/PoohNess)\ **Replies:** 4\ **Last updated:** [July 25, 2024, 1:02pm UTC](https://community.unix.com/t/linux-we-cannot-understand-this-post/394782 "2024-07-25T13:02:30Z")
I have Unix file information that was sent to me through text files and it appears as tho it a code of some kind, but I have Linux on my computer witch I don't understand how to activate without disturbing my current sys… --- ## [What happens when I delete docker container and pull new docker container?](https://community.unix.com/t/what-happens-when-i-delete-docker-container-and-pull-new-docker-container/394683)
**Author:** [@Ihattaren](https://community.unix.com/u/Ihattaren)\ **Replies:** 5\ **Last updated:** [July 11, 2024, 3:13am UTC](https://community.unix.com/t/what-happens-when-i-delete-docker-container-and-pull-new-docker-container/394683 "2024-07-11T03:13:04Z")
These are the server's architecture: k3s Master k3s Worker1 k3s Worker2 Server for rancher installed via docker What I did was removed the docker container of docker. and docker run -d --privileged -p 8… --- ## [Need explanation for a bash script](https://community.unix.com/t/need-explanation-for-a-bash-script/394265)
**Author:** [@VJaiswal](https://community.unix.com/u/VJaiswal)\ **Replies:** 1\ **Last updated:** [May 31, 2024, 3:29pm UTC](https://community.unix.com/t/need-explanation-for-a-bash-script/394265 "2024-05-31T15:29:18Z")
Based on the below script, please answer the following questions: What is happening in this script here? How can you ensure the stability? How can you ensure the persistency of a script like this on a machine? Can you … --- ## [Find any files that match this name template](https://community.unix.com/t/find-any-files-that-match-this-name-template/393832)
**Author:** [@Sway22](https://community.unix.com/u/Sway22)\ **Replies:** 2\ **Last updated:** [April 15, 2024, 12:13pm UTC](https://community.unix.com/t/find-any-files-that-match-this-name-template/393832 "2024-04-15T12:13:30Z")
Linux / bash / vim Make a script zad3.sh that will search through the directory given as the first parameter and find any files that match this name template: GPS\_HH\_MM\_SS\_yyyy.log , where: yyyy - any number of any ch… --- ## [Bandwidth calculation](https://community.unix.com/t/bandwidth-calculation/393628)
**Author:** [@baris35](https://community.unix.com/u/baris35)\ **Replies:** 3\ **Last updated:** [March 23, 2024, 4:51am UTC](https://community.unix.com/t/bandwidth-calculation/393628 "2024-03-23T04:51:07Z")
Hello All, I would like to know the calculation of consumed bandwidth in proxy. Let's say, I am going to download a bin file with the size of 100GB. When I run wget with proxy function, how much GB will I consume at t… --- ## [Open Media Vault](https://community.unix.com/t/open-media-vault/392906)
**Author:** [@Vinceb](https://community.unix.com/u/Vinceb)\ **Replies:** 1\ **Last updated:** [January 9, 2024, 11:35am UTC](https://community.unix.com/t/open-media-vault/392906 "2024-01-09T11:35:55Z")
I have installed Open Media Vault on a mini computer and call access it using an IP address or omv.local. When I search through my ‘other locations’ the omv-smb folder shows up. On my MX linux box I can access the files … --- ## [How to set up wireguard to be connected to QEMU/KVM VM via WI-FI](https://community.unix.com/t/how-to-set-up-wireguard-to-be-connected-to-qemu-kvm-vm-via-wi-fi/392300)
**Author:** [@Yserydmin](https://community.unix.com/u/Yserydmin)\ **Replies:** 2\ **Last updated:** [October 21, 2023, 4:12am UTC](https://community.unix.com/t/how-to-set-up-wireguard-to-be-connected-to-qemu-kvm-vm-via-wi-fi/392300 "2023-10-21T04:12:29Z")
How can i setup the wireguard vpn (HOST) to be connected to the (Virtual Machine) im on device wlp2s0 (Wireless) i did hear that you cant use the brctl commands to bridge the wireguard interface to the bridge br0 i also … --- ## [Not permitted to create named pipe](https://community.unix.com/t/not-permitted-to-create-named-pipe/392237)
**Author:** [@gopnik13](https://community.unix.com/u/gopnik13)\ **Replies:** 16\ **Last updated:** [October 13, 2023, 5:03am UTC](https://community.unix.com/t/not-permitted-to-create-named-pipe/392237 "2023-10-13T05:03:22Z")
Hello everybody, i have a question. Recently i was writing the simplest program in C to create a named pipe, just to check its functionality. When i was running the open() funtion i constantly got -1 as a return code and… --- ## [Help for a beginner](https://community.unix.com/t/help-for-a-beginner/392195)
**Author:** [@kiwa](https://community.unix.com/u/kiwa)\ **Replies:** 8\ **Last updated:** [October 9, 2023, 9:40am UTC](https://community.unix.com/t/help-for-a-beginner/392195 "2023-10-09T09:40:19Z")
Hello Unix Linux Community, I am new to your community and very happy to be among you, and I am a student. I registered on the forum to learn. I'm stuck on an exercise and I can't find a solution, I don't want a turnke… --- ## [Text Manipulation and Filters Requirements](https://community.unix.com/t/text-manipulation-and-filters-requirements/392124)
**Author:** [@luanjjjh](https://community.unix.com/u/luanjjjh)\ **Replies:** 1\ **Last updated:** [September 27, 2023, 7:37pm UTC](https://community.unix.com/t/text-manipulation-and-filters-requirements/392124 "2023-09-27T19:37:41Z")
Purpose: Text Manipulation and Filters Requirements: Read the documentation carefully before proceeding. Objectives: Students should be able to use Pipes to execute Linux commands. Apply filters to solve the student ma… --- ## [Failed to acquire pid file : /var/local/run/libvirt/qemu/driver.pid](https://community.unix.com/t/failed-to-acquire-pid-file-var-local-run-libvirt-qemu-driver-pid/391846)
**Author:** [@marietto](https://community.unix.com/u/marietto)\ **Replies:** 10\ **Last updated:** [August 29, 2023, 5:01pm UTC](https://community.unix.com/t/failed-to-acquire-pid-file-var-local-run-libvirt-qemu-driver-pid/391846 "2023-08-29T17:01:05Z")
Hello. I'm running Debian bookworm on my ARM Chromebook,model "xe303c12" and I've recompiled the kernel to enable KVM,so now my system sounds like this : $ lsb\_release -a No LSB modules are available. Distributor ID: … --- ## [Unix SVR 3.2 file extraction ideas please :)](https://community.unix.com/t/unix-svr-3-2-file-extraction-ideas-please/390357)
**Author:** [@Bozidar](https://community.unix.com/u/Bozidar)\ **Replies:** 21\ **Last updated:** [August 12, 2023, 7:13pm UTC](https://community.unix.com/t/unix-svr-3-2-file-extraction-ideas-please/390357 "2023-08-12T19:13:44Z")
Hello Unix community :slight\_smile: I'm pretty stuck at the moment and it's an urgent matter, so any help would be very much appreciated! I need to copy two files (1.03MB and 450KB) from an old computer with "SCO Unix … --- ## [Using Grep Regex to find certain IP addresses in a txt](https://community.unix.com/t/using-grep-regex-to-find-certain-ip-addresses-in-a-txt/388696)
**Author:** [@Tiberious01](https://community.unix.com/u/Tiberious01)\ **Replies:** 5\ **Last updated:** [July 18, 2023, 9:31am UTC](https://community.unix.com/t/using-grep-regex-to-find-certain-ip-addresses-in-a-txt/388696 "2023-07-18T09:31:00Z")
I am trying to figure out how to use the grep regex command to filter out IPs. My first problem is to tell how many IPs only have one digit in the first octet. And the second is to find all IPs with the number 244 in t… --- ## [List files and directories of current directory separated by commas](https://community.unix.com/t/list-files-and-directories-of-current-directory-separated-by-commas/391467)
**Author:** [@Asbel](https://community.unix.com/u/Asbel)\ **Replies:** 1\ **Last updated:** [July 13, 2023, 3:00pm UTC](https://community.unix.com/t/list-files-and-directories-of-current-directory-separated-by-commas/391467 "2023-07-13T15:00:09Z")
Write a command that lists all the files and directories of the current directory, separated by commas (,). Directory names should end with a slash (/) Files and directories starting with a dot (.) should be listed Th… --- ## [Help with starting VM from automated Putty script](https://community.unix.com/t/help-with-starting-vm-from-automated-putty-script/391396)
**Author:** [@anon33609409](https://community.unix.com/u/anon33609409)\ **Replies:** 3\ **Last updated:** [July 10, 2023, 2:30pm UTC](https://community.unix.com/t/help-with-starting-vm-from-automated-putty-script/391396 "2023-07-10T14:30:38Z")
Hi there, I have a guest XP VM setup on ubuntu with KVM. I can start the VM from the CLI with the following command: /usr/bin/virsh create /var/lib/zentyal/machines/XP\_VM/domain.xml What I need to accomplish is to au… --- ## [Need to upgrade apache from 2.4 to latest version](https://community.unix.com/t/need-to-upgrade-apache-from-2-4-to-latest-version/391353)
**Author:** [@fazil](https://community.unix.com/u/fazil)\ **Replies:** 1\ **Last updated:** [July 1, 2023, 8:11am UTC](https://community.unix.com/t/need-to-upgrade-apache-from-2-4-to-latest-version/391353 "2023-07-01T08:11:16Z")
The below apache vulnerabilities were identified in SAP GRC Windows servers (CHDSxyz, CHDQSAPxyz) Apache Mod\_Rewrite Off-By-One Buffer Overflow Vulnerability Apache HTTP Server HttpOnly Cookie Information Disclosure Vu… --- ## [How create a new operating system?](https://community.unix.com/t/how-create-a-new-operating-system/391261)
**Author:** [@novanarekganteng1](https://community.unix.com/u/novanarekganteng1)\ **Replies:** 1\ **Last updated:** [June 17, 2023, 6:11pm UTC](https://community.unix.com/t/how-create-a-new-operating-system/391261 "2023-06-17T18:11:01Z")
Make a new operating system google chrome os. Thank you. --- ## [The number of proxies in proxy server](https://community.unix.com/t/the-number-of-proxies-in-proxy-server/390742)
**Author:** [@baris35](https://community.unix.com/u/baris35)\ **Replies:** 3\ **Last updated:** [April 16, 2023, 12:21pm UTC](https://community.unix.com/t/the-number-of-proxies-in-proxy-server/390742 "2023-04-16T12:21:12Z")
Hello All, I am searching for a paid proxy service provider but I am not technically good on it. Could you please describe the importance of "threads" (3rd column) and the number of "proxies" (1st column) parameters in … --- ## [Using gedit editor write a shell script that will ask you to input](https://community.unix.com/t/using-gedit-editor-write-a-shell-script-that-will-ask-you-to-input/390312)
**Author:** [@feutech](https://community.unix.com/u/feutech)\ **Replies:** 1\ **Last updated:** [March 8, 2023, 12:19pm UTC](https://community.unix.com/t/using-gedit-editor-write-a-shell-script-that-will-ask-you-to-input/390312 "2023-03-08T12:19:59Z")
Using gedit editor write a shell script that will ask you to input the ff (use your last name for the filename and save it inside.) a. Student name b. Student number c. Input an integer military time Display the foll… [Next page](https://community.unix.com/c/etc/94.md?page=1)