GeoIP Blocking Ubuntu
This is an update to an earlier tutorial I wrote, GeoIP Blocking which worked for Ubuntu 16.04LTS and 18.04LTS, but apparently not with Ubuntu 20.04LTS. The included version of the …
GeoIP Blocking Ubuntu Read MoreHow to Block Access Based on GeoIP on CentOS 7 [iptables]
In this guidance, I am using CentOS 7 with kernel 3.10 and xtables-addons 2.14. The latest release of xtables-addons when this article was written is version 3.9. However, the kernel …
How to Block Access Based on GeoIP on CentOS 7 [iptables] Read MoreJewel Ceph (PG)
Placement Groups A preselection of pg_num When creating a new pool with: ceph osd pool create {pool-name} pg_num it is mandatory to choose the value of pg_num because it cannot …
Jewel Ceph (PG) Read MoreInstall MegaCli in Linux
download wget https://docs.broadcom.com/docs-and-downloads/raid-controllers/raid-controllers-common-files/8-07-14_MegaCLI.zip or curl -LO https://docs.broadcom.com/docs-and-downloads/raid-controllers/raid-controllers-common-files/8-07-14_MegaCLI.zip unzip unzip 8-07-14_MegaCLI.zip install package For Debian cd Linux sudo alien MegaCli-8.07.14-1.noarch.rpm # convert from rpm to deb first sudo dpkg …
Install MegaCli in Linux Read MoreMegacli Cheat Sheet
Show Logical disk MegaCli -LDinfo -Lx -aN Show all Physical disk MegaCli -PDList -aN Delete Raid MegaCli -CfgLdDel -Lx -aN Make JBOD MegaCli -PDMakeJBOD -PhysDrv[Encrosure:diskID] -aN Check Disks Status # …
Megacli Cheat Sheet Read MoreZCS to ZCS rsync Migration
This article is a Work in Progress, and may be unfinished or missing sections. Using rsync to migrate from an old ZCS mailstore to a new ZCS mailstore can be …
ZCS to ZCS rsync Migration Read MoreZFS – ZPOOL Cache and Log Devices Administration
In this ZFS training/tutorial series,this article will talk about ZFS performance issues.If you didn’t tune the system according to the application requirement or vise-verse,definitely you will see the performance issues.For …
ZFS – ZPOOL Cache and Log Devices Administration Read Morezimbra custom spamassassin rules
How to prevent spam on zimbra. To use zimbra spamassassin filter. To backlist and whitelist all email from address or domain. To spam-check mail incoming email to system your email …
zimbra custom spamassassin rules Read MoreZextras Carbonio Installation
Ubuntu 20.04 LTS Follow these simple steps in your terminal: Download the following script using wget https://repo.zextras.io/inst_repo_ubuntu.sh Give it the permission chmod +x inst_repo_ubuntu.sh And finally execute the script ./inst_repo_ubuntu.sh Set Hostname …
Zextras Carbonio Installation Read MoreThis copy of the Install OS X El Capitan application can’t be verified. It may have been corrupted or tampered with during downloading
From the top menu bar, open Applications → Terminal Enter: date 0101010116 Enter: installer -pkg /Volumes/Mac\ OS\ X\ Install\ DVD/Packages/OSInstall.mpkg -target /Volumes/”XXX” where XXX is the name of the disk you’re installing to. Press return and wait …
This copy of the Install OS X El Capitan application can’t be verified. It may have been corrupted or tampered with during downloading Read More