Search found 14 matches

by srijit92
2021/04/28 17:42:45
Forum: CentOS 7 - Networking Support
Topic: CentOS 7 generating Unknown DNS Requests
Replies: 3
Views: 319

Re: CentOS 7 generating Unknown DNS Requests

Yes, I know. But the request is getting generated from the server itself where there is no actual activity on the server. Only one external client is using the DNS server.

How come server is itself generating the requests and that to unknows IPs.
by srijit92
2021/04/28 16:58:58
Forum: CentOS 7 - Networking Support
Topic: CentOS 7 generating Unknown DNS Requests
Replies: 3
Views: 319

CentOS 7 generating Unknown DNS Requests

Hi, I have a freshly installed CentOS Server with bind installed as caching only DNS Server where only a specific IP Pool is whitelisted for query. But in DNS Query log I see unknown request generated from the server itself (127.0.0.1) as shown below. What could be the issue? Is the server hacked? 2...
by srijit92
2016/10/12 03:27:25
Forum: CentOS 7 - General Support
Topic: How to free up /dev/mapper/centos-root partition ?
Replies: 17
Views: 71882

Re: How to free up /dev/mapper/centos-root partition ?

Which files can I delete and from where to make up some free space in root?
by srijit92
2016/10/11 16:48:16
Forum: CentOS 7 - General Support
Topic: How to free up /dev/mapper/centos-root partition ?
Replies: 17
Views: 71882

Re: How to free up /dev/mapper/centos-root partition ?

[root@localhost ~]# lvresize --size -1000G /dev/mapper/centos-home WARNING: Reducing active logical volume to 2.61 TiB THIS MAY DESTROY YOUR DATA (filesystem etc.) Do you really want to reduce home? [y/n]: y /etc/lvm/archive/.lvm_localhost.localdomain_7949_1458641505: write error faile Volume group ...
by srijit92
2016/10/11 15:51:02
Forum: CentOS 7 - General Support
Topic: How to free up /dev/mapper/centos-root partition ?
Replies: 17
Views: 71882

Re: How to free up /dev/mapper/centos-root partition ?

Basically sdb was a low performing hdd so i added a new sdc hdd and moved all content from sdb to sdc. Now sdb is sitting idle and sdc is actually in use and contains valuable data. What I need to do further to make it mounted and so hat data is secured and not deleted by any means in sdc? /home - t...
by srijit92
2016/10/11 15:42:45
Forum: CentOS 7 - General Support
Topic: How to free up /dev/mapper/centos-root partition ?
Replies: 17
Views: 71882

Re: How to free up /dev/mapper/centos-root partition ?

Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/mapper/centos-root xfs 52403200 52403180 20 100% / devtmpfs devtmpfs 8018676 0 8018676 0% /dev tmpfs tmpfs 8028784 0 8028784 0% /dev/shm tmpfs tmpfs 8028784 8780 8020004 1% /run tmpfs tmpfs 8028784 0 8028784 0% /sys/fs/cgroup /dev/sdb1 ex...
by srijit92
2016/10/11 15:31:03
Forum: CentOS 7 - General Support
Topic: How to free up /dev/mapper/centos-root partition ?
Replies: 17
Views: 71882

Re: How to free up /dev/mapper/centos-root partition ?

Output

[root@localhost ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
home centos -wi-ao---- 3.58t
root centos -wi-ao---- 50.00g
swap centos -wi-ao---- 7.75g
by srijit92
2016/10/11 15:28:30
Forum: CentOS 7 - General Support
Topic: How to free up /dev/mapper/centos-root partition ?
Replies: 17
Views: 71882

Re: How to free up /dev/mapper/centos-root partition ?

[root@localhost ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 3.7T 0 disk ├─sda1 8:1 0 1M 0 part ├─sda2 8:2 0 500M 0 part /boot └─sda3 8:3 0 3.7T 0 part ├─centos-root 253:0 0 50G 0 lvm / ├─centos-swap 253:1 0 7.8G 0 lvm [SWAP] └─centos-home 253:2 0 3.6T 0 lvm /home sdb 8:16 0 3.7T 0 di...
by srijit92
2016/10/11 15:24:28
Forum: CentOS 7 - General Support
Topic: How to free up /dev/mapper/centos-root partition ?
Replies: 17
Views: 71882

Re: How to free up /dev/mapper/centos-root partition ?

Basically I'm a bit new to CentOS 7.
Can you guide me how to verify the same?

I tried deleting several logs of Apache and other from /var/logs. Did a reboot but still disk usage is 100%.

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