Jan
25
2017
While checking the status of packages using dpkg, it is possible to see a ‘rc’ state for some unused packages, this corresponds to:
r: the package was marked for removal
c: the configuration files are currently present in the system
In other words: the package is not completely removed (config files are still present), but not installed anymore (and obviously not used).
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Comments Off on Remove / Uninstall packages marked ‘rc’ on Debian / Ubuntu. | tags: apt, Debian, dpkg, Free Space, packages, pkg, Ubuntu, Unistall Packages | posted in Linux Administration, Programming
Feb
14
2016
If ProFTPD Project is running in StandAlone mode on Ubuntu Linux, the server could result completely stopped weekly.
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Comments Off on ProFTPD killed with signal 15 on restart: QuickFix on Ubuntu. | tags: Log Rotate, Logrotate, Process Killed, ProFTPD, Signal 15 | posted in Linux Administration
Sep
8
2015
Manage partitions larger than 2 TeraBytes (for example in large storage arrays) was something rare some years ago, now with the Mass-Storage-Devices capacity growing tendency it’s quite frequent to need to set-up a so large FileSystem.
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Comments Off on Big partitions in Linux (> 2TB). | tags: FDisk, FileSystem, GPT, GUID partition table format, Large FileSystem, Parted, Partition, TeraBytes | posted in Linux Administration
May
19
2015
NetFilter IPTables Project Auto-Expiring Rules could be very interesting (for example) to ban IPs for a certain amount of time, and then have then automatically un-banned (by removing Filtering Rule).
IPTables do not provide an integrated solution for that, but a simple combination with the ‘at’ command can do the magic.
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Comments Off on IPTables Auto-Expiring Rules on Linux. | tags: Ban, IPTables, IPTables Timed Rules, Linux, NetFilter, Temporary Rules, Time-Based Rules, Timed Rules | posted in Linux Administration, Networking Resources, Security
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