Check version [root@mail ~]# uname -r 3.10.0-862.3.3.el7.x86_64 to update kernel yum update kernel -y reboot server to complete the upda..
Category : Operating System
First, you need ClamAV installed on your system Ubuntu sudo apt-get install clamav Centos 7 yum -y install epel-release yum -y update yum -y install clamav-server clamav-data clamav-update clamav-filesystem clamav clamav-scanner-systemd clamav-devel clamav-lib clamav-server-systemd Install malware.expert scanner wget http://cdn.malware.expert/malware.expert.scanner.sh chmod 750 malware.expert.scanner.sh To scan with malware.expert bash malware.expert.scanner.sh scan /folder To run scan in background ..
TIcket: UEO-349-18906 Sometimes we receive server UP and DOWN alerts. In order to find out what is the root cause we need to perform the steps below: 1. Check switch, if there’s any limit for pps 2. Check server with nload -m command to see the current bandwidth usage (we may also refer to MRTG ..
# cd /ips1 # wget -O ips1-kernel-checker –user=support –password=Jz8jx001 https://ns82.small-dns.com/setup/ips1-kernel-checker …… –2018-03-14 12:08:05– https://ns82.small-dns.com/setup/ips1-kernel-checker Resolving ns82.small-dns.com (ns82.small-dns.com)… 183.81.162.20 Connecting to ns82.small-dns.com (ns82.small-dns.com)|183.81.162.20|:443… connected. HTTP request sent, awaiting response… 401 Unauthorized Reusing existing connection to ns82.small-dns.com:443. HTTP request sent, awaiting response… 200 OK Length: 803 Saving to: ‘ips1-kernel-checker’ 100%[==================================================>] 803 –.-K/s in 0s 2018-03-14 12:08:05 (120 ..
Basically, fdisk cannot create partition more than 2 TB. The other way to create the partition is using parted command. Step one, locate the disk using fdisk [cc lang=”bash”]fdisk -l[/cc] Let say we got /dev/sdc [cc lang=”bash”]parted /dev/sdc[/cc] On parted [cc lang=”bash”](parted) mklabel gpt (parted) mkpart primary 0GB 3TB (parted) exit[/cc] To verify [cc lang=”bash”]fdisk ..
To keep our infra networks standardize, we might need to change the Interface name for our INFRA servers. 1. Edit file /etc/default/grub and add ‘net.ifnames=0’ in ‘GRUB_CMDLINE_LINUX’ line. Example : GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=”$(sed ‘s, release .*$,,g’ /etc/system-release)” GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT=”console” GRUB_CMDLINE_LINUX=”crashkernel=auto rhgb quiet net.ifnames=0″ GRUB_DISABLE_RECOVERY=”true” 2. Rebuild the GRUB grub2-mkconfig -o /boot/grub2/grub.cfg 3.Proceed to rename the ..
CPU frequency scaling enables the operating system to scale the CPU frequency up or down in order to save power. Frequency value must be between scaling_min_freq and scaling_max_freq. When CPU frequency governor is set to “powersave” mode, CPU is set to the lowest static frequency (within the borders of scaling_min_freq and scaling_max_freq). To achieve maximum ..
On first provisioning of some Cloud/Dedicated servers, our customers would have to use their PPK key to be able to SSH into their servers. PPK keys are generated by PuTTYgen and are needed to successfully SSH into a server using the Putty program. To enable root password authentication instead of using the PPK every single ..
VMware Tools is a suite of utilities that enhances the performance of the virtual machine’s guest operating system and improves management of the virtual machine. 1. On the host, from the VMware Fusion menu bar, select Virtual Machine > Install VMware Tools. If an earlier version of VMware Tools is installed, the menu item is ..
If you come accross this notification on Kayako it means that the particular server are exposing bind version. You can disable it by following this guide, warning[]=NAME-4210|Found BIND version in banner|-|-| warning[]=NETW-2705|Couldn’t find 2 responsive nameservers|-|-| [cc]vim /etc/named.conf version “none”; systemctl restart named[/cc] Don’t forget to run lynis audit manually to make sure it has ..