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Error, can not get domain token entry *.ttt208.com for http-01

when I am using this acme v3.0.5 command to renew the certificate: /root/.acme.sh/acme.sh --issue --dns dns_ali \ -d ttt208.com -d *.ttt208.com -k ec-256 \ -w /data/docker/nginx/volume/conf/conf/conf....
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  • 351
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1 answer
12 views

Filtering the ICMP packets on Solaris using IP-addresses from the table

I'm currently working with Packet Filter on Solaris machine, trying to create a rule that would filter out all ICMP packets of particular type and code. Here is my rule line: block out quick proto ...
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  • 105
2 votes
2 answers
159 views

How to merge data from multiple background jobs back to a single data stream in bash

I've run into a couple of similar situations where I can break a single-core bound task up into multiple parts and run each part as separate job in bash to parallelize it, but I struggle with ...
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0 answers
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What is the Best Practice to switch between Old and New Email Server to minimize outage? [closed]

I have asked this same question first on ask ubuntu, but it has only been viewed 16 times in 6 days. This question seems an overlap between a few different communities of Stack Exchange. I have been ...
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  • 105
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5 views

Firefox on Sway starts floating when opening library catalogs websites

I have the problem since I installed sway at least two years ago that firefox windows start floating when opening some specific websites. Strangely they seem to be library catalogs websites ...
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  • 31
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1 answer
18 views

is it possible to make nginx using cer format with the certificate

I am using acme to auto renew the certificate of domain, the acme.sh generated certificate format is cer format like this: /root/.acme.sh/ttt208.com_ecc/ca.cer. The nginx using pem format, is it ...
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  • 351
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1 answer
40 views

How to recover an iSCSI disk

I run an iSCSI disk on a Linux server (RHEL7). The disk has a normal ext4 partition containing a loop device called disk01.img, which is mapped to a virtual disk with a Windows NTFS file system. All ...
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-2 votes
1 answer
22 views

Cannot perform Symbolic Link with Splunk and Linux

I am using Splunk with Linux currently. For the last few days, I cannot execute the following: Can you please help as I need to execute this Symbolic link? Many thanks, Patrick
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2 answers
52 views

Public IP address of local network machines?

I have a home local network with two machines connected to router: Linux Ubuntu x86_64 Linux Ubuntu Arm aarch64 (headless, no GUI) I tried ip r to find out the public IP of both machines. This works ...
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  • 148
3 votes
1 answer
170 views

What does this yum package version mean?

On Rocky Linux: $ sudo yum list squid Available Packages squid.x86_64 7:4.15-3.module+el8.6.0+842+aea5c28d What does the 7: and the .module ... part of the version string mean? I can see the ...
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  • 173
-1 votes
1 answer
26 views

Redirect the output to two different files, One should have new output whenever the commands execute and the other should have both new & old content

Redirect the output to two different files, One should have new output whenever the commands execute and the other should have both new & old content. For example: openstack port create --network ...
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  • 1,794
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3 answers
48 views

Manually telling EXT4 about bad sectors?

The drive is currently in NTFS. After running chkdsk for hours, I have found the locations of bad sectors (below). I want to reformat the disk in EXT4. I have heard that EXT4 has some sort of metadata ...
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0 answers
25 views

FFMpeg Join mp4 Files Without Re-encoding but Keep Original Frame Rate

I tried adding the -vsync vfr as a post suggested on https://superuser.com/a/1514949/1348487 but the original frame rate is not kept. find *.mp4 | sed 's:\ :\\ :g'| sed 's/^/file /' > list.txt; ...
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1 answer
52 views

How to simplify output redirection command line?

I have frequently used output redirection commands in my Linux environment, for example, echo mymodule set number 10 >/proc/aaaa/bbbb_cmd And I want to omit the echo .... >.... and use this ...
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0 votes
1 answer
34 views

OpenJDK 17 for CentOS 7

Currently there is no possibility to install java-17-openjdk through sudo yum install java-17-openjdk on a CentOS 7 system (CentOS Linux release 7.9.2009 (Core)) as it was possible some time ago. When ...
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27 views

How to compare two servers for performance tuning?

I have two web servers (AWS instances) with exact same configuration of apache and php-fpm. Both of them are behind a load-balancer. One server is able to serve more request as compared to the other ...
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  • 193
2 votes
1 answer
48 views

Optionally compile translation unit makefile

I'm writing a program in c and I want to optionally compile a translationunit based on whether the user wants to or not. Basically I have two files, one main.c which should always be compiled. ...
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0 votes
1 answer
9 views

X11: can't set custom keyboard layout when pressing Super key

I want to change the default QWERTY layout to colemak layout. I use bspwm with its default sxhkd. I tried setting it in the X11 config file: /etc/X11/xorg.conf.d/30-keyboard.conf: Section "...
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0 votes
1 answer
17 views

"Failed to get global data: No buffer space available" on running "systemd-resolve --status"

I'm on Mint 20.3 (based on Ubuntu 20.04) and I keep having this weird problem where my network is all working fine and then suddenly, apparently out of the blue, it stops working and I can't access ...
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  • 635
0 votes
1 answer
31 views

Create virtual forwarding email addresses using a server side programming language

Some background information first before my question, I am curious as to what happens behind the scenes after you have purchased a domain name and then setup a forwarding email address from the newly ...
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0 votes
1 answer
20 views

Defining console port in ARM kernel image

I have an ARM Dev board using an RK3566 CPU that I'm building a kernel for. I would like to control the board using the UART connector. This works during U-Boot process, but my issue is that when I ...
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0 answers
16 views

mail command doesn't work on web server with Ubuntu 20.04

I'm not able to send mail with mail command. Do I need some mx records or something? mail just bounces
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  • 1,842
0 votes
1 answer
23 views

Run cargo command in subdirectories with user-specified arguments

I've a directory structure like: rust/ ├── dir1/ │ └── Cargo.toml └── dir2/ └── Cargo.toml I want to create a zsh script that'll run from the rust directory, and for each subdirectory with a ...
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0 votes
1 answer
25 views

How to tell which application UFW is blocking

I have a Debian system running ufw. I have "default deny" on all outgoing connections and I open specific communications (ports and/or IP addresses) as needed. I use the dmesg log to see if ...
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  • 175
0 votes
1 answer
30 views

How can I connect from Linux computer to a network created by "USB tethering" of an Android phone?

I turned on "USB tethering" on an Android phone with mobile service, and connected the phone to a Linux computer using a USB cable. On the computer, which network interface is used for ...
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  • 89.9k
0 votes
1 answer
11 views

Stuck at console and can't export files to USB drive

I have a lot of important documents on my computer, and I guess I messed up my OS somehow because when I rebooted the computer, it took me to a console window with no GUI. I typed "startx", ...
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0 votes
1 answer
43 views

Bash alias with a loop, a sudo, pipes, flags, single quotes and double quotes

I want to make a bash alias of the following command, which works typed out on the command line but all my attempts at making an alias have failed. My only diagnosis is that all those nested quotes ...
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-2 votes
0 answers
16 views

if you are getting "device resource busy" while deleting workspace [closed]

Then do ps -ef | grep eclipse and kill all the running instance kill -9 instanceId
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0 answers
16 views

Can ZFS cascade?

Currently, I have a raidz1 pool made up of four 4TB drives and I would like to better understand my upgrade options (I have my data mirrored so I can rebuild). Is it possible to create two raid0 pools ...
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0 answers
14 views

auditd + auditsp doesn't write log to remote server

I set up auditd + audisp on Ubuntu for centralized collection of logs on the server Config files on the client host: auditd.conf: #This file controls the configuration of the audit daemon # #...
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0 answers
28 views

Why can't I connect to a wifi hotspot using wpa_supplicant?

I turned on "Wi-Fi hotspot" on an Android phone with mobile service, and why can't I connect to the wifi on my computer? Thanks. $ wpa_passphrase "moto g pure" "mypassword&...
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  • 89.9k
0 votes
1 answer
23 views

arp -a returns only one device on Kali Linux?

I'm running a Kali Linux live USB. I recently was unable to connect to my Wi-Fi network, but I found a Wi-Fi adapter that let me connect to my network and use the internet without experiencing any ...
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2 votes
2 answers
260 views

Backup entire linux system with tar to the partition that mounted in system itself

All of my operating systems are mounted on one partition, it's /dev/vda1. Is there problem if I backup the entire Linux directory with this command root@myOS:/# tar -cJpf /mnt/bax/myOS.tar.xz . ...
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0 answers
9 views

What is a partial read and will not having it cause problems for Duplicity?

I am evaluating using SSHFS to mount remote servers to be backed up using Duplicity, which uses "the rsync algorithm" but only on local files (thus SSHFS). The man page for fuse(4) states: ...
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  • 423
0 votes
0 answers
35 views

Mounting Network Share on Debian for Plex

I'm working through setting up a media server running Debian 1.2.0 on a VM with ESXi. I've installed Debian and also installed Plex. The media is on a Netgear ReadyNAS102 and needs to be accessed ...
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  • 1
0 votes
0 answers
13 views

Linux No Sound on Login, Only After Replugging in Headphones

The Problem Every time I log into my Computer I have no Sound so I have to unplug, and plugin my Headphones back again. Specs Ubuntu 20.04 x86_64 Some normal In-Ear-Headphones My Idea So I am ...
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0 votes
0 answers
10 views

Virt-Manager internal error: process exited while connecting to monitor

Arch Linux I created a qcow2 on the other drive using Virtual Manager. I'm trying to use another drive for my VM's, But When i try to create a new VM From an ISO i get: 'internal error: process ...
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1 vote
1 answer
13 views

rsync: mkstemp failed: Protocol error (71)

I ran into this issue with an rsync script after I changed the destination from a local directory to a CIFS mount. All of the files in the source directory will throw this mkstemp protocol error and ...
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0 votes
0 answers
10 views

btusb.ko file missing...Getting "Module not found error" [duplicate]

I have the issue of not being able to use my USB Bluetooth adapter(It is a CSR 4.0) on my Ubuntu OS 20.04.4 LTS with GNOME version 3.36.8... Normally this USB stick works perfectly on my Windows but ...
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-1 votes
0 answers
41 views

How to copy text from vim to the terminal?

I want to copy from vim into my clipboard. I tried to follow the answers of this question: How to copy text from vim to an external program? Inside Visual mode after having selected what I wanted to ...
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  • 295
0 votes
1 answer
32 views

Cannot append user to group

I'm having trouble adding a user to a group: # useradd -aG group user # useradd -a -G group user # useradd -G group user --append It tells me that the -a option is an invalid or unrecognized. Can ...
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  • 780
-2 votes
0 answers
15 views

How would you create an HTML code for an (RSS Feed Like) text box that [closed]

How would you create an HTML code for an (RSS Feed Like) text box that automatically creates next box in ascending order? It is Something Similar to TT-RSS Example: BOX3 (newest): HELLO TEXT 3 (DATE ...
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0 votes
2 answers
191 views

I'm trying to run a Debian 11 VM on my CentOS 7 Home Server, but get hit by this issue with virt-install

See below, the issue im having when trying to run virt-install on its own. Same issue when I try with all the config I plan to use: /usr/lib/python2.7/site-packages/requests/__init__.py:104: ...
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0 votes
2 answers
31 views

How to wget all Betacoronavirus .tar.gz files from BLAST database directory?

I'm trying to use wget to download all Betacoronavirus files ending in .tar.gz from https://ftp.ncbi.nlm.nih.gov/blast/db/. I can use wget and paste in the link to a single one of those files, and it ...
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  • 103
0 votes
0 answers
13 views

split column in R data.frame [migrated]

the data.frame is like: |col_1| |------| |A | |B | |B | |A | |A | The expected output should be: |col_A |col_B | |---------|-------| |A |NA | |NA |B | |A |NA | |NA |B | |...
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0 votes
2 answers
87 views

Finding values of one file within range of another file and selecting the top value

I have two files A and B. File-A has 4 columns and 600,000 rows. File-B has 4 columns and 5000 rows. Example: File-A: ENSB1 1 12245 0.53 0.002 ENSB2 1 13400 0.27 0.0003 ENSB3 1 14780 0.13 0.00001 ...
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-1 votes
3 answers
94 views

Appending a character to field records based on a repeated value from the second field

I have this input array='2 0.00000 -1.45191 6 0.81778 -0.63413 10 0.85020 -0.60170 8 1.40260 -0.04931 22 3.25781 1.80590 20 4....
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0 votes
3 answers
33 views

debian 8: My machine started to only use IPv6 for *outgoing* connections. How to go back to IPv4?

I'm running debian 8 on my server. Recently, the server starting only using IPv6 for all outgoing TCP connections. It still accepts IPv4 for incoming connections, however. Because of this, I can't ...
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  • 271
1 vote
1 answer
61 views

Error while upgrading from Fedora 35 to Fedora 36: VirtualBox requires libvpx.so.6()(64bit), but none of the providers can be installed

While upgrading my system from Fedora 35 to Fedora 36, I first ran sudo dnf upgrade --refresh And then, sudo dnf system-upgrade download --releasever=36 But it is giving rise to this error: Before ...
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1 vote
0 answers
12 views

How to run a child process inside firejail sandbox?

Hello Linux folks i need help running with firejail with a java program that is in sandbox firejail --private --trace java -jar program.jar But this program can't spawn child process (chromium) due to ...
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