In which I discover how Avahi slowed down ssh
submitted by anderbubble [link] [12 comments]
View ArticleThanks to everyone here.
I just wanted to say thanks to everyone here at /r/linuxadmin. A month ago I posted What would you like a new employee to already know?. I must say you guys really helped me out. I landed my first...
View ArticleQuestion regarding vulnerabilities in Linux
I was reading http://www.nixtutor.com/freebsd/9-ways-to-make-linux-more-secure/ and it had a link to security focus. I decided to check some of the services I have running (all personal). I checked...
View ArticleNetwork home best practices (acls,permissions)
Greetings, I'm in the process of migrating several network user home directories to a Linux file server. They're coming from various Mac OS X servers, where ACLs were used for rights. In the past, for...
View ArticleHow to design a Beowulf cluster?
I am a computer science undergrad from a liberal arts college. My task is to design a cluster, calculate costs, and write a mock proposal. I have very little knowledge about clusters and the project...
View ArticleUsing awk and/or sed to delete all ranges that include a phrase, or delete...
sorry if this seems a bit noobish, as it's basically just an awk/sed query... but i can't figure it out and linux4noobs seems unlikely to be of much help. basically, a friends wordpress sites have had...
View ArticleCentos/EXIM Cpanel server is sending spam... Any suggestions?
Are there any settings that I can change? Is there anyway to track where the mail is coming from in the processes it says exim is being ran by mailnull? Any help is appreciated! submitted by 0xgrid...
View ArticleLinux - How to Add more RAM ?
I added 1 GB of RAM in the machine....my debian booted with no issues. But when I checked using tools - free -m , top It still shows the old memory. How to enable or configure my linux os to accept...
View ArticleHow to find out why/when a server is mysteriously powering down?
I have a box running Fedora 14, which is being used as quite an important NFS server. Every few days it mysteriously shuts down. What's the best way of finding out why this happens? In particular, is...
View ArticleVSFTPD - problem with chroot environment
I have FTP and SFTP (Openssh 5.3) server running in my centos 5.5 Jail environment for FTP and SFTP users are at different locations as /FTP and /jailed I successfull created a chroot environment for...
View ArticleNon-Newbie: Monitoring Question
Hi Folks, Been running a large install of Nagios in our environment and while I'm fairly comfortable with it and have scripted out a lot of the manual work involved in adding machines to it I've been...
View ArticleSome great guides on many topics for server administration on VPS hosts :...
submitted by minebob [link] [comment]
View ArticleCentOS 6 LAMP config help
[edit] Resolved. TL;DR I'm a goddamn idiot. Thank you to everyone who responded and gave me ideas on what to look for. It was short tags being turned off which was a suggestion posted 6 hours ago that...
View ArticleIf I am just starting out where is a good place to get a VPS, or am I better...
I've used linux for a while now and I want to get a server to run a few personal websites and act as a game server for minecraft and the like. I also want to become a better linux user and pick up the...
View ArticleShared group folder
I am curious if there is something like "chmod g+s dirname" except for setting the user ownership when files are copied into a certain directory. I know how to change the group, but not the user. This...
View ArticleGood Linux/Unix training
I have some money left in my training budget and was looking for suggestions for some Linux/Unix training. I have a number of years of experience as a Windows Administrator (Server, Exchange, etc) and...
View Articlelockrun - Run cron job with overrun protection [A very good program, IMO]
submitted by minebob [link] [6 comments]
View ArticleGet An Alert When Disk Is Full [Good in tandem with the fake time-machine...
submitted by minebob [link] [1 comment]
View ArticleSamba, memory, page caching, swapping and performance
I am running Debian Wheezy with kernel 3.0.0 on a thin client turned into a NAS. The device has only 128MB of RAM so I also use a 256MB of swap just in case. Upon boot the memory looks like that: total...
View ArticleHow do I collect mail from a POP3 mailbox and automatically forward the Mail...
A client of mine has an old ISP account that has been grandfathered about 4 times, starting at a small ISP and then migrated up through larger ones as the smaller companies have been bought out. He...
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