All Questions
33
questions
2
votes
1
answer
17k
views
How to install postgresql-contrib-11 on CentOS 7?
So, I was trying to install extension citext on PostrgeSQL 11.1, but of course I've encountered an error:
ERROR: could not open extension control file "/usr/pgsql-11/share/extension/citext.control": ...
0
votes
1
answer
3k
views
Setting static IP address disconnects Internet
I wish to host a personal website on CentOs-7 Operating system. For that I bought a static IP address from my internet service provider (Hathway). They provided me a static IP address, subnet (255.255....
Ajith c Narayanan
2
votes
0
answers
2k
views
CentOS - Can't change ifcfg file in /etc/sysconfig/network-scripts
For the life of me, I can't figure out how to change an interface config file in a VM: sudo vim /etc/sysconfig/network-scripts/enp0s3 won't write and sudo bash -c "echo 'dog' >> ./enp0s3" fails ...
- 685
0
votes
1
answer
659
views
Install pre-configured Linux distribution over USB
I have a few PCs that I need to install a pre-configured version of linux onto from a USB.
The purpose of these machines is to operate as a hypervisor for some VM's I need to run. The problem is I ...
- 11
1
vote
1
answer
242
views
Accidentally overwrote /usr/bin/python on Redhat
On Redhat, I had the bright idea of upgrading from Python 2.6.6 to 2.7.3 by running this command:
cp /usr/bin/python2.7 /usr/bin/python
This caused far-reaching problems throughout the whole system. ...
- 135
0
votes
0
answers
1k
views
Analyzing CPU load in multicore CPUs
I am trying to find out ideal load average for one of my linux servers. I understood load should be proportional to the no of cpu cores. But my doubt is that, how will we analyze this in case of multi ...
- 1,335
2
votes
1
answer
5k
views
Conflict when installing MongoDB
I have a server with CentOS 7, I would like to install mongoDB. I tried installing it typing:
sudo yum install mongodb
with no problems, then I do mongod I get:
-bash: mongod: command not found
If ...
0
votes
1
answer
2k
views
rpm NOKEY error on copied packages, can I remove this?
I used yum --downloadonly to fetch a few php71 packages on "VM A". I need to copy these to a different VM, "VM B" and install them using rpm -ivh. However on the secon "VM B" it's complaining about an ...
- 809
1
vote
1
answer
4k
views
INIT: id [ID] respawning too fast: disabled for 5 minutes
INIT: id "s21" respawning too fast: disabled for 5 minutes
One of my plants has been receiving this message at the main server terminal for a couple months now. I've Googled but can't seem to find ...
1
vote
0
answers
28
views
System Monitor Causes Periodic Current Peaks When Open in RHEL/Centos 6
While collecting data for a power consumption analysis, I noticed that simply having the System Monitor open while at idle caused periodic peaks in the current draw of the 12V bus. The current draw ...
- 31
0
votes
0
answers
353
views
How to prevent process from auto-restarting in Amazon Linux
I'm running tomcat 6 on Amazon Linux verson 2015.03 (I believe it's based on Cent OS / RHEL). Every time I run sudo service tomcat6 stop, a status request still shows tomcat6 (pid <num>) is ...
- 616
0
votes
2
answers
5k
views
ping 8.8.8.8 not working using static ip in CentOS 7.0
Can someone please help me in fixing the destination unreachable error when I execute ping 8.8.8.8 in CentOS 7?
It was working fine when the network type is DHCP. Could you please help me. I am new ...
10
votes
1
answer
10k
views
What happens when I truncate a file that is in use?
Around the web many people say you can truncate a file using > filename or truncate -s0 filename while file begin used
I know everytime a process write in a file, the process uses a offset for ...
- 311
1
vote
1
answer
5k
views
No ntp.conf file after compiling ntp on Linux
I'm using RHEL 6.5. I compiled ntp-4.2.8 using the steps on this link.
but I don't have a ntp.conf file. ntp.conf is required to start ntpd but after compiling, there is no ntp.conf on my system. I ...
- 395
5
votes
1
answer
41k
views
How to resolve rpm dependencies
I am trying to install libtirpc on RHEL 6.5 but it fails and asks for dependencies.
Why here it is showing three GLIBC versions 2.14, 2.15 and 2.16. ??
Does it mean that any of these three versions ...
- 395