VOS3000 2.1.4.0 does not support latest Kernel Versions. you have to downgrade Kernel
mkdir download
cd download/
wget http://vault.centos.org/6.4/os/x86_64/Packages/kernel-2.6.32-358.el6.x86_64.rpm
yum list kernel-2.6.32-358*
yum install kernel-2.6.32-358.el6.x86_64.rpm
ls
vi /boot/grub/menu.lst
rebootLogin to your server
To STOP Apache Tomcat Server
# /home/kunshiweb/base/apache-tomcat/bin/shutdown.sh
To START Apache Tomcat server
#/home/kunshiweb/base/apache-tomcat/bin/startup.sh
Update of packages using default repositories (base, update etc.) is no longer applicable.You should switch boxes, run on CentOS 5.x., to so called Vault repositories.
1- Disable base, updates and other enabled repositories (where enabled=1 is set) in the CentOS-Base.repo:
sed -i 's/enabled=1/enabled=0/g' /etc/yum.repos.d/CentOS-Base.repocreate a new repo file and enter the following lines
vim /etc/yum.repos.d/CentOS-Vault.repo
[c5.11-base]
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
gpgcheck=1
name=CentOS-5.11 - Base
baseurl=http://vault.centos.org/5.11/os/$basearch/
exclude=ruby* libyaml* corosync* corosynclib* pacemaker*
enabled=1
[c5.11-updates]
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
gpgcheck=1
name=CentOS-5.11 - Updates
baseurl=http://vault.centos.org/5.11/updates/$basearch/
exclude=ruby* libyaml* corosync* corosynclib* pacemaker*
enabled=1
original link :- https://docs.onapp.com/misc/eol-centos-5-x
How to Install VMware Tools on CentOS 7
# yum install -y open-vm-tools
check file is exist
# ls /usr/bin/vmtoolsd
Now reboot the server
How to check directory size in Linux
DU command uses for disk uses you can use du command to check directory size. for example you want to check directory size of a folder "database" use -h for size in MB GB etc # du -h ./database/ 17G ./database/
How to update Centos 5 .X and cannot find a valid baseurl for repo
If you are using CentOS 5.x and want to install any software and update CentOS 5.x . you are getting following error .
root@server1 [~]# yum update -y
Loaded plugins: fastestmirror
Determining fastest mirrors
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
Eg. Invalid release/
removing mirrorlist with no valid mirrors: /var/cache/yum/base/mirrorlist.txt
Error: Cannot find a valid baseurl for repo: base
This is because update repositories were moved to the CentOS vault when the operating reached it's end-of-life.
Edit the following file
vos3000 illegal calls query to block IP address
All call records are saved in e_cdr_files
you can query to get ip addresses of illegal calls source.
mysql> select DISTINCT callerip from e_cdr_20180818 where endreason = ‘-9’;
+—————-+
| callerip |
+—————-+
| 195.154.93.229 |
| 50.2.187.130 |
| 5.62.63.181 |
| 216.244.84.202 |
| 37.49.231.161 |
| 88.198.57.146 |
| 37.49.231.63 |
| 50.22.52.22 |
| 93.190.143.70 |
| 216.244.73.98 |
+—————-+
10 rows in set (0.00 sec)
if someone can write a script to get IP address from current date CDR for every 5 min and update the iptables automatically.
How to install VMware tools in Linux Virtual Machine
VERIFY ERROR: depth=0, error=CRL has expired: CN=servername
In order to fix the issue, we just need to recreate the crl.pem file.
we need to backup the current crl.pem file before creating a new one.
The location of the crl.pem file at /etc/openvpn/
#mv crl.pem crl.pem.back
Now go to easy-rsa folder
# cd easy-rsa
now generate crl.pem
# ./easyrsa gen–crl
Now copy the new crl.pem to openvpn folder
# cp –pr /etc/openvpn/easy–rsa/pki/crl.pem
Now restart openvpn service
source link :- https://www.jobishmathew.me/openvpn-crl-has-expired/