Awk & sed Snippets for SysAdmins

How to Really Kill Computer Viruses

How do you know if your computer has a virus? Is it connected to the Internet? Then it has a virus. Many computer viruses and other malicious applications are very resilient and will actively resist any attempts to deactivate and remove them. Some viruses can even delete your antivirus application or prevent it from working properly. Many viruses cannot be effectively removed once they are loaded in memory and active.

Copying Data: Are We There Yet?

I am sure this will sound familiar: you are copying a large amount of data – either locally or over the network – and you are wondering how long it will take and if there is a way to make things go faster.You may be surprised, but it does matter what type of files you are copying: 1Gb-worth of many small files will take considerably longer to copy than two 500Mb files. The hardware you are using is an important consideration, but it’s not the only factor limiting data transfer speed.

Protected: Notes on Electronic Security

There is no excerpt because this is a protected post.

Command-line backup methods

The following is a brief overview of standard Unix comman-line utilities used for data backup on Solaris systems. Most of the information below is also applicable to other unixoid systems.

Copying directories using tar and rsync

In this example we use the tar command to copy the contents of the /export/home directory to /temphome. This particular syntax forgoes the creation of an actual tarball file. This can be useful if you …

Find largest files

How to find the largest files in the directory tree on Solaris.

Create tarball

The Unix tar command creates an archive of files and directories while preserving directory structure, file permissions and ownership information. This command is ideally suited for creating backups of most types of data. Many open-source …

Move USER to new primary group

A sample process for moving a user to a new primary home group on Solaris.

Using FTP with pipes

All The Reasons Pot Is Good For You

AP/Damian Dovarganes
Colorado and Washington both passed legislation that legalizes the recreational use of marijuana on Tuesday.

While recreational marijuana is controversial, many people believe that the drug should be legal, especially …

Create TAR and pipe through gzip

A simple example of creating a gzip-compressed tar archive of the current directory.