Apr
3
2015
Messages like the ones in the article list, originated from a cron job, could be generated on debian systems:
/etc/cron.daily/amavisd-new:
Please run this cronjob as user amavis
run-parts: /etc/cron.daily/amavisd-new exited with return code 1 |
/etc/cron.daily/amavisd-new:
Please run this cronjob as user amavis
run-parts: /etc/cron.daily/amavisd-new exited with return code 1
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Comments Off on Anacron run-parts: /etc/cron.daily/amavisd-new exited with return code 1. | tags: AMaViS, amavis error, amavis-new, cron, cron error, crontab | posted in Linux Administration
Dec
11
2014
Imagine to have a full MySQL DB Dump (containing a lot of Single Database Dumps) and imagine also to need the extraction or restoration of a single one. This is a quite common task that can be accomplished using some shell commands.
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Comments Off on Extracting a Single Database From a mysqldump File containing –all-databases Dump. | tags: --all-databases, DataBase, DB, DB Dump, Dump, MySQL, mysqldump, Restore | posted in DataBase Management, Linux Administration
Oct
3
2014
On September 24, 2014, a GNU Bash vulnerability (Shellshock or “Bash Bug”), was discovered and published.
The vulnerability allows remote attackers to execute arbitrary code given specific conditions, by injecting strings of code following environment variable assignments.
Because of Bash’s large utilization (Ex: Linux, BSD, OsX), many computers are vulnerable to Shellshock Bash Bug.
All unpatched Bash versions between 1.14 through 4.3 seems to be compromised.
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Comments Off on Protect Servers Against Shellshock Bash Vulnerability. | tags: Bash, Bash Vulnerability, CVE-2014-6271, CVE-2014-6278, CVE-2014-7169, CVE-2014-7186, CVE-2014-7187, Shellshock, Shellshock Bash Vulnerability | posted in Linux Administration, Security
Sep
26
2014
Upgrading from Apache 2.2 to 2.4 is simply but some configuration updates are necessary, because a working Apache 2.2 VirtualHost setup will break silently when you upgrade to Apache 2.4.
A full and comprehensive guide to updating from Apache 2.2 to 2.4 is available in the apache.org website.
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Comments Off on VirtualHost settings upgrading from Apache 2.2 to Apache 2.4. | tags: Allow from, Apache, Apache 2.2, Apache 2.4, Require all granted, Virtual Host, VirtualHost | posted in Linux Administration
Sep
11
2014
PGP keys and SSH keys can share the same RSA algorithm and for this reason, with some little tuning it is possible to use a PGP SubKey to authenticate users into SSH Servers.
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Comments Off on SSH Authentication with PGP Keys. | tags: Authentication, Capabilities, Capability, GPG, gpg2, MonkeySphere, openpgp2ssh, PGP, RSA, SSH, ssh-agent, SubKey, SubKeys | posted in Cryptography, Linux Administration, Security