All Questions
1,611
questions
-3
votes
1
answer
773
views
No GRUB option to boot CentOS
There is only "System Setup" boot option in CentOS 8 Stream GRUB.
I was using Dual Boot Windows 10 and CentOS Stream 8. I don't know what is problem. This happened since I booted into ...
- 896
-1
votes
1
answer
29
views
Is Fusion free-evaluation license valid only on one system?
I'd like to evaluate CentOS 7 and 8 with VMware Fusion on Macbooks.
Is the 30 days license good only for one machine, or could I use the same license on multiple machines?
- 1,163
0
votes
1
answer
662
views
centos7 crash when systemctl start docker successed
[phenomenon]
1、I enter the command systemctl start docker from centos7, the centos7 crashed after docker successfully started.(It's reproducible)
2、Docker used to be available until I ran 3 ZooKeeper. ...
3
votes
1
answer
670
views
Linux: only allow outgoing connections to specific domains
I have a CentOS server and only want to allow outgoing connections to specific domains. (allowlist) My thought was to have a DNS proxy which adds the allowed ips (only ipv4 needed) to nftable named ...
- 73
0
votes
1
answer
206
views
How can i set new user home root path without permission of getting path 'backwards' on Centos 7
I created a new user "newuser2" as below with /home as a root but this user can still browse "backwards" into the system.
adduser --home /home/newuser2 newuser2
How can i allow ...
- 1
0
votes
1
answer
173
views
How to Create a Custom Passwd script - LINUX
We have a Centos 7 machine whereby we need to add a lot of NoLogin passwd entries such as:
username:!!:1010:1001:1stName LastName:/home/username/:/sbin/nologin
We have a CSV list of the new users in ...
- 23
0
votes
1
answer
6k
views
How can I correctly install visual studio code on CentOS 7?
There are two approaches that I have tried to install visual studio code on my CentOS 7 system. Both have failed.
Approach 1 - Following official instructions (install via package manager)
The ...
- 243
0
votes
1
answer
2k
views
CentOS 7 custom routes with 2 NIC's
I have two interfaces o my CentOS 7:
ens192 - 10.70.87.200/24
ens224 - 192.168.11.200/24
tcp/22 has to be listening only on ens192
I want all internet traffic but a few networks do be going out via ...
- 1
0
votes
0
answers
25
views
Use internet from interconnected VM?
I have two centos VMs on the same network. One has an internet connection while the other does not.
Can I use the internet on not connected VM through the one which is connected?
I want to connect to ...
- 101
0
votes
1
answer
1k
views
is it possible to install old version of gcc compiler, even i already have other version's, on CentOS Linux
i installed CentOS6 for some reasons, and want to compile documents written by c++ and fortran. i found i gotta change gcc version due to some errors related by using current gcc-gfortran compiler.
...
- 1
0
votes
0
answers
902
views
RTMP protocol not working with ffmpeg on CentOS 8.4
I'm struggling with ffmpeg working with RTMP/RTMPS protocol on CentOS 8.4. It is working fine on CentOS 7 and Debian, just the latest release of CentOS is having issues. Am i doing something wrong?
...
- 1
1
vote
0
answers
1k
views
CentOS 8 on Hyper-v - cannot establish internet connection
I am having problems with configuring internet connection for CentOS VM hosted on Hyper-V
Initially I installed OS with 1 internal network card. Configured it and now I am able to communicate between ...
- 11
1
vote
1
answer
574
views
sssd only authenticates against first domain in domains list unless domain specified in login
I am currently moving from using pam_krb5 to pam_sss as pam_krb5 is no longer available at CentOS/RHEL 8
We currently use two AD domains each with unique user names. In the old pam configuration we ...
0
votes
1
answer
388
views
Remove content from /var/lib/yum/plugins/local in Centos
The /var/lib/yum/plugins/local folder seems to store installed rpm packages:
$ ls /var/lib/yum/plugins/local
389-ds-base-1.2.11.15-95.el6_9.x86_64.rpm
389-ds-base-devel-1.2.11.15-95.el6_9.i686.rpm
......
1
vote
1
answer
623
views
Way to monitor progress of RAID10 rebuilding disks, when RAID does not show in /proc/mdstat?
I have an inactive RAID 10, and the output of mdadm --assemble --scan -v |& tail -17 is:
mdadm: /dev/sdn1 is identified as a member of /dev/md/10, slot 5.
mdadm: /dev/sdk1 is identified as a ...
- 1,163