kontrolle über das Filesystem unter linux
strace -p 4818 -e trace=open,read,write,close
lsof -p 4818
sar
iostat /dev/sda
strace -p 4818 -e trace=open,read,write,close
lsof -p 4818
sar
iostat /dev/sda
1. cd ~/downloads/ 2. download nagisgraph-*.tar.gz 3. tar xzf nagiosgraph-*.tar.gz 4. cd nagiosgraph-*/ 5. ./install.pl --check-prereq 6. yum install perl-rrdtool perl-GD 7. ./install.pl with follow settings: configuration: ng_layout standalone ng_prefix /usr/local/nagiosgraph ng_etc_dir /usr/local/nagiosgraph/etc ng_bin_dir /usr/local/nagiosgraph/bin ng_cgi_dir /usr/local/nagiosgraph/cgi ng_doc_dir /usr/local/nagiosgraph/doc ng_examples_dir /usr/local/nagiosgraph/examples ng_www_dir /usr/local/nagiosgraph/share ng_util_dir /usr/local/nagiosgraph/util ng_var_dir /usr/local/nagiosgraph/var ng_rrd_dir /usr/local/nagiosgraph/var/rrd ng_log_dir … Continue reading
1. yum install perl-M*
2. yum install php53-mysql php53-ldap
3. vim /etc/php.ini
set follow entrys to:
short_open_tag = On
register_globals = Off
magic_quotes_gpc = Off
4. cd /var/www/html
5. wget nconf-*.tar.gz
6. tar xzf nconf-*.tar.gz
7. mv nconf-*/ nconf/
… Continue reading
1. install CentOS 5.6
2. yum update
3. add epel repository
4. yum update (normaly nothing to update)
5. install rpmfusion-free and -nonfree repository
6. yum update (normaly nothing to update)
7. yum install httpd gcc glibc glibc-common gd gd-devel php53 make openssl-devel
… Continue reading
1. download and place the check_esx.pl or check_esx3.pl in to /usr/local/nagios/libexec/
2. download and install VMware SDK API
3. install perl-Models with “yum install perl-M*”
4. run “cpan install Nagios::Plugin” or “perl -MCPAN -e ‘install Nagios::Plugin’”
5. “cd /usr/local/nagios/libexec/”
6. “su nagios”
7. “./check_esx.pl … Continue reading
htop – Alternative zum top
iptraf – Einfach Überwachung der Netzwerkschnittstellen
bmon – Konsolen Interface Bandbreiten Monitor.
dnstop – DNS live Kontroll-Tool
devilspie – Shell im Desktop eingebettet (gnome)
/etc/udev/rules.d/99-vmware… Disable othes Distributions
/etc/grub.list ad nmi_watchdog=1
Wenn es Probleme mit Applicationen in der Liste Gibt bei dem Access Management Console von Citrix dann einfach mal “dscheck /clean” ausführen und gewünschten vorgang erneut versuchen.
1. expand on vmware the HDD Size
2. maybe restart the virtual machine
or run following command
echo „- – -“ > /sys/class/scsi_host/host0/scan
3. fdisk -l
fdisk /dev/sda
-l
Device Boot Start End Blocks Id System
/dev/sda1 * 1 65 522081 83 Linux
/dev/sda2 … Continue reading
first on edit your boot.conf:
default=0 timeout=5 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Fedora Core (2.6.17-1.2187_FC5) root (hd0,0) kernel /vmlinuz-2.6.17-1.2187_FC5 ro root=/dev/VolGroup00/LogVol00 clock=pit nosmp noapic nolapic initrd /initrd-2.6.17-1.2187_FC5.img
then check the configuration on VMware tools to time synchronization Vcenter or direct on vmx file from Virtual Machine
tools.syncTime = "TRUE"
on 64bit Systems … Continue reading