All Questions
1,611
questions
0
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answers
187
views
unable to access spring boot application deployed in centos 9 server : request time out
My application was developed in Spring Boot, MySql. My server is running on CentOS 9 Stream. port 8080 is ocupied by Jenkins. So I have deployed it in a different port 8081. But my problem is when I ...
- 1,171
0
votes
0
answers
1k
views
GRUB error after upgrade from Centos 7.9 to AlmaLinux 8.5
During the test-upgrade of one of the VM's we are shipping our software on I ran into an issue where just before the last reboot in the process of upgrading OS from CentOS 7.9 to AlmaLinux 8.5 (after ...
Piotr
1
vote
1
answer
999
views
CentOS cannot load library liblapacke.so.3, yum can't find suitable candidate
I am attempting to run a command:
perl bin/smartpca.perl -i merged.eigenstrat.34string.length.geno -a merged.eigenstrat.34string.length.snp -b merged.eigenstrat.34string.length.ind -o merged....
- 115
0
votes
1
answer
651
views
How to avoid a user to list a directory other than his home directory in Linux
I hope this could be possible.
I created a linux user, called newuser, whose root directory is a directory containing a web site application (this is a developer I hired to develop the site). That ...
- 337
0
votes
1
answer
130
views
Getting a Particular Binary Package from A Source Package?
(Sorry if the title is worded incorrectly - I am a newbie in this domain, so please correct me wherever I am wrong)
From https://packages.ubuntu.com/source/bionic/amd64/hdf5, I am trying to get the ...
- 101
1
vote
0
answers
676
views
Limit maximum ssh connections per user does not work when shell is /sbin/nologin
I'm having a Centos 7 server and when I limit the maximum connections per user using the config file /etc/security/limits.conf it works just fine. See below an example of my configuration in that file:...
- 111
0
votes
1
answer
95
views
ssh_config auto restored after some time
I need to connect to git using an ed25519 SSH key, but the /etc/ssh/ssh_config only has the entries below for IdentityFile, so I receive error Permission denied (publickey) when accessing the git repo:...
0
votes
0
answers
223
views
Issue with add Multiple user account and SSH key using Bash script
As per our requirement we provided our devloper group: devs:r-x to /var/log/httpd directory.
What is the best way to create a user account (in my case Dev User) in a Group using bash scrip, with the ...
0
votes
0
answers
762
views
Updating CentOS 8.3 to Stream got Killed in the middle of process
I am in the process of upgrading my DB server from CentOS 8.3 to CentOS 8 Stream.
I'm using the regular commands:
dnf --disablerepo '*' --enablerepo extras swap centos-linux-repos centos-stream-repos
...
- 105
0
votes
1
answer
445
views
Is it possible to grand SSH access (using username and password) to a Centos 7 machine configured with an user using private key to connect?
first of all I am not a system engineer (I am mainly a software developer).
I am working on a Centos 7 machine and I have the following doubt.
Using MobaxTerm client I can access to this machine via ...
- 7,201
0
votes
1
answer
494
views
Cant fine NMON on CentOS9 (EPEL installed)
I have EPEL installed on CentOS9
$> sudo dnf repolist
repo id repo name
appstream CentOS Stream 9 - AppStream
...
- 2,444
0
votes
1
answer
42
views
SSH clients (putty, GCP web) often displays remnants of previous command [duplicate]
I saw it in different SSH clients but can at least guarantee Putty and GCP web-console (SSH in a web browser) have this.
When you scroll your history and then run a previous command - sometime (more ...
- 2,444
1
vote
0
answers
682
views
Couldn't add PHP 7.4 to Webmin/Virtualmin
I followed this tutorial which actually referred to this but after I did the installation for my CentOS 7 and went to System Settings -> Re-Check Config at VirtualMin, I see the same PHP versions I ...
- 11
0
votes
1
answer
127
views
CentOs downloading from direc link return 404 Not Found
After uploading some files into public_html with nested directory when i try to test download links from browser, that return 404 Not Found
pwd output command:
/home/pishguy/public_html/audio/quran/01....
- 171
0
votes
1
answer
6k
views
How can I check if firewall is blocking ping from machine belonging to a specific subnet on Linux CentOS7?
I am not a system engineer (I am a software developer) and I have the following problem.
I have this Linux CentOS 7 server. A collegue told me that he can't ping this server from some specific machine ...
- 7,201
1
vote
1
answer
4k
views
Steam CMD on ARM based Linux(CentOS)
Is there way to install Steam CMD on my ARM based Linux?
I have CentOS(aarch64) and I want to install Steam CMD, but I don't know how can I do it.
0
votes
1
answer
1k
views
How can I correctly run a java batch application (a .jar application) in background on a Linux machine?
I am not a system engineer (I am a software edeveloper).
I have to run a Java application (a runnable .jar file) on a Linux machine (Centos 7). I am connecting to a shell via SSH.
This application is ...
- 7,201
0
votes
0
answers
183
views
Centos 8 running as a LXD container fails to install packages: yum ailed to connect to mirrorlist.centos.org port 80: Connection timed out
Under Ubuntu, I created a Centos 8 LXD container:
lxc launch images:centos/8 centoscontainer
Then, I log into the container with lxc exec centoscontainer /bin/bash.
I'm root, and I can access network ...
- 137
0
votes
1
answer
2k
views
CentOS 7 Yum not seeing available package updates
This weekend it occurred to me that I likely have several out-of-date packages on my server, so I set about updating them. Two packages require an update: Redis and Git. When I check versions on the ...
- 13
1
vote
1
answer
533
views
Restore RAID1 configuration with 2 different HardDrives in CentOS-7
We have a server (HP ProLiant ML10 Gen 9) that came with Two Identical Hard disks. It was assumed that the server supports hardware RAID 1 (Mirror), and the CentOS-7 was installed in it. But later we ...
- 21
1
vote
1
answer
909
views
Launch GUI application on remote host (Linux CentOS 8) via SSH
I'm having some questions trying to run an GUI app remotely from SSH. My Linux skills are limited and I'm having some issues trying to achieve it through the following scenario:
I have a host with ...
- 11
0
votes
0
answers
589
views
Cannot install CentOS nor Ubuntu on HP ProLiant DL360p Gen8
I've attempted to install CentOS Steam 8 and Ubuntu 20.04 as of right now, and each time I try to install them, it gives me the same error and doesn't work.
The error that it gives me is: /dev/loop2 ...
- 1
0
votes
2
answers
22k
views
Why can't I use the sudo command with this user?
I am not a system engineer (I am more a software developer). I have the following problem trying to deploy an application on a Linux Centos system.
As the first operation, I need to install Java and ...
- 7,201
1
vote
0
answers
164
views
ifAlias set but not showing from snmp query
I'm in a dead end with this problem.
I set an ifAlias for some interfaces for some testing, the alias seems set properly:
$ ip link show
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc ...
0
votes
0
answers
550
views
Chromium keeps crashing with SIGSEGV and reinstallation with ~/.config/chromium deletion does not resolve the issue
Chromium (Version 94.0.4606.81 (Official Build) Fedora Project (64-bit)) on CentOS Linux release 8.4.2105 worked perfectly well but since last week started to keep crashing randomly with SIGSEGV (...
2
votes
2
answers
8k
views
initramfs-4.18.0-305.19.1.el8_4.x86_64.img not found
I get the following error message when i reboot my CentOS 8 system and let grub choose the first boot entry: "initramfs-4.18.0-305.19.1.el8_4.x86_64.img" not found:
When i choose the second ...
- 403
0
votes
0
answers
280
views
Create an SSH user who has permission to access root directory but limited commands
I want to constrain the user to only have permissions for specific commands in Centos but he need to access root directory.
I want to prevent user from removing, restart, shut down
But he should be ...
- 101
0
votes
1
answer
1k
views
Samba Winbind on Centos 7 not reading full name for any AD user
I have Samba configured to use winbind to authenticate users through our Active Directory domain controller. Everything seems to be working, it is reading uidNumber, gidNumber, unixHomeDirectory, and ...
1
vote
2
answers
760
views
Accidentally removed python3-dateutil from RHEL 8
I was trying to fix a setup issue related to airflow and accidentally I removed python3-dateutil from the machine (RHEL 8) using sudo yum remove python3-dateutil this also lead to the removal of ...
0
votes
0
answers
3k
views
Why I can't ping internal network IP addresses
I am not a system engineer (I am more a software developer). I am working on some CentOS 7 machines on the same network.
I have the following problem. Basically trying to ping from one machine to ...
- 7,201