TeamViewer-based cyberespionage operation targets activists, researchers say

Security researchers have uncovered yet another ongoing cyberespionage operation targeting political and human rights activists, government agencies, research organizations and industrial manufacturers primarily from Eastern European countries and form…

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Mac and Back Again

There’s no denying that those of us here in the Linux community see our fair share of ups and downs in any given week or month, as events unfold that either advance or set back our favorite operating system. Sometimes, though, it’s difficult not to be amazed by the way things often balance out “Even Steven” — much the way they did for Jerry Seinfeld way back when.

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Symantec finds Linux wiper malware used in S. Korean attacks

Security vendors analyzing the code used in the cyberattacks against South Korea are finding nasty components designed to wreck infected computers.

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South Korea cyberattacks hold lessons for U.S.

U.S. companies and government agencies can learn from the large-scale disruptions that have hit several banks and media outlets in South Korea in the last 24 hours, security analysts said.

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Extended ACLs

To remove permanently ACL from a file: # setfacl -bn file.txt To remove permanently ACL from an entire directory: # setfacl -b –remove-all directory.name To overwrite permissions, setting them to rw for files and rwx for dirs $ find . ( -type f -exec setfacl -m g:mygroup:rw ‘{}’ ‘;’ ) -o ( -type d -exec […]

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Fixing Authentication refused: bad ownership or modes for directory

When this error: Authentication refused: bad ownership or modes for directory Shows up in /var/log/messages When trying to setup public key authenticated automatic logins, the problem is a permissions one. You’ll need to perform the following commands on the user account you are trying to setup: chmod go-w ~/ chmod 700 ~/.ssh chmod 600 ~/.ssh/authorized_keys

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Fedora Project’s Robyn Bergeron: The Linux Desktop Is Almost Ready for Its Close-Up

The Fedora Project is perhaps one of the hallmark Linux distributions. Fedora is sponsored by Red Hat, the commercial developer of Red Hat Enterprise Linux (RHEL). Red Hat’s investment in the Fedora community is collaborative. As such, Fedora Linux releases often provide RHEL developers with a field test environment that incubates innovative open source software technologies.

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Troubleshooting with Telnet

Poor telnet, it used to be the cool kid on the block. It was the program all
sysadmins turned to when they needed to connect to a remote server. Telnet
just wasn’t that good at keeping a secret—all communication went over plain
text—so administrators started switching to SSH for encrypted remote shell
sessions. more>>

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