If you want to monitor the services running on your linux machine you have a lot of options. But if you don’t want to install any additional software or applications, you can do it with a very simple perl script. (you need MIME::Lite to be installed before you can use this). In order to install …
If you are unhappy with the standard linux prompt then there is a simple way to make your linux prompt to look awesome and also provide some useful infos. The prompt can be used on all linux distributions. I have tried with linux CentOS 6.6 If you want to make this prompt system wide then edit …
If you are tired of always typing and typing on your linux machine in order to do certain taks, then you might need to define some aliases. One of the first things that I’m doing after installing a linux, I define some aliases that I got used with them and used them since forever.
1 2 3 4 5 6 7 8 9 10 | alias grep="grep --color=always" alias v="ls -lsa" alias c="clear" alias q="logout" alias e="exit" alias fileperm="find . -type f -exec chmod 644 {} \;" alias dirperm="find . -type d -exec chmod 755 {} \;" alias k="killall -9" alias wget="wget --no-check-certificate -c" alias which="type -path" |
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For an extra protection for your apache web server you cand install the “mod evasive” apache module. How to do it? Simple, just follow the steps below: Download it from http://club3d.ro/mod_evasive_1.10.1.tar.gz Unpack and compile module tar zxvf mod_evasive_1.10.1.tar.gz; cd mod_evasive; /usr/sbin/apxs -i -a -c mod_evasive20.c Your module has been compiled and installed and your httpd.conf file …
If you need to dump all mysql users created on your linux machine you can do it quite easy, using a simple bash script. Create a new bash script as follows:
1 2 3 4 | root@zira # cat > dump_sqlusers.sh #!/bin/bash SQL_CONN="-u{user} -p{password}" mysql ${SQL_CONN} --skip-column-names -A -e"SELECT CONCAT('SHOW GRANTS FOR ''',user,'''@''',host,''';') FROM mysql.user WHERE user<>''" | mysql ${SQL_CONN} --skip-column-names -A | sed 's/$/;/g' |
Save the file, chmod +x dump_sqlusers.sh. Then just execute the script! It will dump all your users right on the screen. If you …
I am using BackupPC as a backup solution for my linux box and recently modifying some settings I got a huge backup instead of the regular one. So I have deleted only those files that were extra… But the space was still occupied on my hard disk even if the files have been deleted… I …
nat on Mac OSX Yosemite (the last OS version from Apple (that was the latest OS from Apple when this post was written) is not that simple to configure since natd binary (used for network address translation rules) or ipfw (used to create firewall rules on Mac OSX) are missing completely from the operating system. There were …
Today, I just came across this error: Apache: No space left on device: Couldn’t create accept lock. I can’t really remember if I did something or modified anything to my current apache configuration but for some reason I got a notification that my web server is down. I tried to restart apache and although /etc/init.d/httpd start was …
Apache: No space left on device: Couldn’t create accept lock Read More »
Installing on CentOS If you want to manually install the module for the apache webserver: – download the tar.gz file from sourceforge (link: download) – extract files from archive: tar jxvf mod_ruid2-0.9.8.tar.bz2 – cd mod_ruid2-0.9.8 – compile the module (which apxs -a -i -l cap -c mod_ruid2.c) It is possible to get an error like this while compiling:
1 2 3 4 | In file included from /usr/include/sys/capability.h:34, from mod_ruid2.c:51: /usr/include/linux/capability.h:70: error: expected specifier-qualifier-list before ‘__le32’ apxs:Error: Command failed with rc=65536 |
In …
găzduire.ro – first romanian domain with diacritics According to rotld.ro (Romania Top Level Domain), the first registered domain with diacritics was găzduire.ro. As you probably know, starting with June, the 2nd, rotld.ro has opened the registration for romanian domains using diacritics (ă Ă â Â î Î ş Ş ţ Ţ). For more informations about …