SYSadmin.lk

Networking: We have two nodes that are reachable by below Networks: 10.1.1.0/24 : Cluster heartbeat vlan. 172.16.1.0/24 : LAN with access to the Internal LAN network and Internet. We have set the following hostnames: [master ~]# hostnamectl set-hostname master.sysadmin.lk [client ~]# hostnamectl set-hostname client.sysadmin.lk We defined the Hostname and IP Address in “/etc/hosts” file(On both […]

I’m using two CentOS systems here: NFS Server: server.example.com, IP address: 192.168.1.100 NFS Client: client.example.com, IP address: 192.168.1.101 Configure the Firewall firewall-cmd –permanent –zone=public –add-service=nfs firewall-cmd –reload Installing NFS and enable and start the nfs server service.(Client / Server) yum -y install nfs-utils systemctl enable nfs-server.service systemctl start nfs-server.service Exporting Directories on the Server mkdir […]

### Check Inode usage for i in /*; do echo $i; find $i |wc -l; done ### How do you empty a linux directory with a large size/number of files? -bash: /bin/rm: Argument list too long find . -name “*” | xargs -n 10 rm

Step 1 – Enabling the kernel module This is a simple step – all you need to do is run the following command as the root user: modprobe fuse Step 2 – Installing Fuse/SSHFS yum install fuse-sshfs sshfs Step 3 – Using SSHFS The commands to use SSHFS are fairly simple. To mount a remote […]

To install, first you must add the Webtatic EL yum repository information corresponding to your CentOS/RHEL version to yum: CentOS/RHEL 7.x: rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm CentOS/RHEL 6.x: rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm Remove old php version yum remove php* Now you can install PHP 5.6’s mod_php SAPI (along with an opcode cache) […]