Ransomware is one of the prominent malware threats that many online businesses face with outdated updates and fewer security tools. Over the past few years, the number of ransomware attacks has increased by 148%. As per the Business Insiders report, the largest ransomware payout was made by an insurance company in 2021. These attackers give threat […]
How to Protect your Backups from Ransomware
Best PostgreSQL Backup Tools
PostgreSQL is a highly stable, open-source relational database that helps decipher complex queries using JSON and SQL command language. The companies trust the relational database management system over the others due to its excellent features and robust performance. It is also backed by 20+ years of development by an open-source community and helps solve complex […]
Best Virtual Machine Backup Software
Today, most business networks use virtual machines due to their flexibility and cost-effectiveness. Having a Virtual Machine in an organization can help save on cost, enhance productivity, and ease provisioning. There are many reasons why companies consider virtual machines as a great resource. Over time, the use of virtual machines has increased. It also offers […]
7 Best Tools for Hyper-V Backups
Losing data can lead to a lot of inefficiencies and monetary loss within a business. Backing up physical data has been a mainstay of the business world ever since the age of floppy disks; however, many companies neglect the VM side of things. If a single VM or set of VMs fails, that can lead […]
8 Best Tools for VMware Backups
Security is the name of the game in the business world these days. But, unfortunately, this trend isn’t occurring simply due to the increased frequency of cyberattacks (though that contributes) and the chances of hardware failure. If you’ve got a storage array of VMs (Virtual Machines) and it fails, that will lead to all of […]
9 Best Disk Imaging Software
This list gives you comprehensive information about each tool and will guide you to choose a tool that fits your needs.
How to implement RAID 5 and RAID 1 with NT Server
Note: There is a much more current article on how to do this here. We have five hard drives, two SCSI controllers, and an external drive cabinet: (1) 3 Gig IDE in the CPU cabinet hooked up to the primary IDE channel (1) 4 Gig SCSI hard drive in the CPU cabinet hooked up to […]
Ftape configuration
Believe it or not, we have been struggling for almost four years to get our tape drive to work. We originally had an FC-20 with a 768 meg native 3020 Colorado tape drive. By the time the kernel and ftape had caught up to our model, we had replaced it with an Iomega Ditto Max […]
Scheduling backup of directories with tar and cron:
Tar is quite useful for copying directory trees, and is much more powerful than cp. To copy directory /home/myhome/myimportantfiles to /share/myhome/myimportantfiles: cd /home/myhome/myimportantfiles tar -cvf – . | tar -C /share/myhome/myimportantfiles/ -xv To schedule this to happen every day at 1am: crontab -e vi will run. If you are unfamiliar with vi, push ‘i’ to […]
Simple multi-tape backup with tar / Standby File/Print Server
We have a share available via NFS called share. All of our software, documents, versions of websites are on this share. It doesn’t contain any live systems stuff, but it is quite large. We bought a 15/30 gig DLT drive for cheap on Ebay, and some used DLT tapes to go with it. Many of […]
SYSLINUX
[Updated 8/27/02] SYSLINUX is a bootloader for Linux using MS-DOS floppies. It is good to learn how to create your own SYSLINUX recovery diskettes for disaster recovery. [On a related topic, check out SuperRescue CD. SuperRescue is an iso image you can burn to a CD. The CD is bootable and has a suite of […]
Quickie backup over the net with GNU tar
If you want to back up a bunch of files over a network (or locally), one approach is to go into the directory you want to back up, and execute: tar cvpf – . | tar xpv -C /share/backupetc092901 This will save permissions, as well as grab hidden files, dates, symbolic links, /dev stuff, etc. […]
Using the Windows 2000 Recovery Console to Fix NT
In this article, we created a boot disk that could recover from a rename of ntldr. Well, what if you needed access to other files on the NTFS file system to recover. It would be nice if you could use something like the Windows 2000 Recovery Console to fix the filesystem. Well, guess what? You […]
Backing Up Windows XP With FreeNAS
We wrote about FreeNAS in this series of articles. A lot has happened with FreeNAS since then. The most important addition is user security for CIFS. We brought up an old PII 333 box to test performance, and it passed with flying colors doing a rather large backup over the network. Here is a screenshot […]
Using Last Known Good Configuration To Restore an NT System
In this article we used the Windows 2000 recovery console to fix the filesystem on an NT server. Let’s use the recovery console to make a BSOD. We’ll just disable a required boot service: Let’s reboot: Nice!! That is what we wanted. Now, we could boot again and fix with the recovery console: That works […]
Finding Files Over a Certain Size
Try this: find . -type f -size +90M -exec ls -l -h {} \;
Creating an NT Emergency Repair Disk
Rdisk is used to recover your system from boot problems, registry problems, or OS corruption. Run rdisk by start->run->rdisk. You can specify /s if you wish to restore your security permissions. Rdisk is a little misleading. You might assume that simply pushing the Create Repair Disk button would work, but it doesn’t. Make sure you […]
Recovering an NT System With an Emergency Repair Disk
To use the Emergency Repair Disk we created in this article, you need to boot with the three NT setup disks that can be created by running winnt32: If you don’t have an NT box, you can use the NT distribution cd from MS-DOS or a Windows 95/98 command prompt and run winnt /ox. Boot […]
Using Tar to Upgrade Your Hard Drive
This is a story about a whale. No!! This is a story about making my computer happy. A few days ago, I started having weird problems on my main workstation, srv-1. My system would lock up completely. Only by pushing the reset button could I wake her from her slumber. I reseated all of the […]
The Archive Bit And Incremental Backups on Windows Filesystems
The archive bit is used to determine what files have been backed up up previously on a Windows filesystem. The bit is set if a file is modified. A backup program can then clear the bit when it does a full backup. This allows the backup program to do an incremental or differential backup that […]
