Linux Commands

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a accept access aclocal aconnect acpi acpi_available acpid addr2line addresses agetty alsactl amidi amixer anacron aplay aplaymidi apm apmd apropos apt ar arch arecord arecordmidi arp as at atd atq atrm audiosend aumix autoconf autoheader automake autoreconf autoscan autoupdate b badblocks banner basename bash batch bc biff bison bzcmp bzdiff bzgrep bzip2 bzless bzmore c c++ c++filt cal cardctl cardmgr cat cc cdda2wav cdparanoia cdrdao cdrecord cfdisk chage chattr chfn chgrp chkconfig chmod chown chpasswd chroot chrt chsh chvt cksum clear cmp col colcrt colrm column comm compress cp cpio cpp crond crontab csplit ctags cupsd cut cvs d date dd deallocvt debugfs depmod devdump df diff diff3 dig dir dircolors dirname disable dlpsh dmesg dnsdomainname dnssec-keygen dnssec-makekeyset dnssec-signkey

dnssec-signzone doexec domainname dosfsck du dump dumpe2fs dumpkeys e e2fsck e2image e2label echo edquota egrep eject elvtune emacs enable env envsubst esd esd-config esdcat esdctl esddsp esdmon esdplay esdrec esdsample etags ex expand expr f factor false fc-cache fc-list fdformat fdisk fetchmail fgconsole fgrep file find finger fingerd flex fmt fold formail free fsck ftp ftpd fuser g g++ gawk gcc gdb getent getkeycodes gpasswd gpg gpgsplit gpgv gpm gprof grep groff groffer groupadd groupdel groupmod groups grpck grpconv gs gunzip gzexe gzip h halt hdparm head hexdump host hostid hostname htdigest hwclock i iconv id ifconfig imapd inetd info init insmod install ipcrm ipcs iptables iptables-restore iptables-save isodump isoinfo isosize isovfy ispell j join

k kbd_mode kbdrate kernelversion kill killall killall5 klogd kudzu l last lastb lastlog ld ldconfig ldd less lesskey lftp lftpget link ln loadkeys locale locate lockfile logger login logname logrotate look losetup lpadmin lpinfo lpmove lpq lpr lprm lpstat ls lsattr lspci lsmod lsusb m m4 mail mailq mailstats mailto make makedbm makemap man manpath mattrib mbadblocks mcat mcd mcopy md5sum mdel, mdeltree mdir mdu merge mesg metamail metasend mformat mimencode minfo mkdir mkdosfs mke2fs mkfifo mkfs mkfs.ext3 mkisofs mklost+found mkmanifest mknod mkraid mkswap mktemp mlabel mmd mmount mmove modinfo modprobe more mount mountd mpartition mpg123 mpg321 mrd mren mshowfat mt mtools mtoolstest mtype mv mzip n named namei nameif netstat newaliases newgrp newusers nfsd nfsstat nice nm nohup nslookup nsupdate o objcopy objdump od openvt

p passwd paste patch pathchk perl pidof ping pinky pmap portmap poweroff pppd pr praliases printenv printf ps ptx pwck pwconv pwd python q quota quotacheck quotaon quotaoff quotastats r raidstart ramsize ranlib rarpd rcp rdate rdev rdist rdistd readcd readelf readlink reboot reject rename renice repquota reset resize2fs restore rev rexec rexecd richtext rlogin rlogind rm rmail rmdir rmmod rndc rootflags route routed rpcgen rpcinfo rpm rsh rshd rsync runlevel rup ruptime rusers rusersd rwall rwho rwhod s sane-find-scanner scanadf scanimage scp screen script sdiff sed sendmail sensors seq setfdprm setkeycodes setleds setmetamode setquota setsid setterm sftp sh sha1sum showkey showmount shred shutdown size skill slabtop slattach sleep slocate snice sort split ssh ssh-add ssh-agent ssh-keygen ssh-keyscan sshd stat statd strace strfile

strings strip stty su sudo sum swapoff swapon sync sysctl sysklogd syslogd t tac tail tailf talk talkd tar taskset tcpd tcpdump tcpslice tee telinit telnet telnetd test tftp tftpd time tload tmpwatch top touch tr tracepath traceroute troff true tset tsort tty tune2fs tunelp u ul umount uname uncompress unexpand unicode_start unicode_stop uniq uptime useradd userdel usermod users usleep uudecode uuencode uuidgen v vdir vi vidmode vim vmstat volname w w wall warnquota watch wc wget whatis whereis which who whoami whois write x xargs xinetd y yacc yes ypbind ypcat ypinit ypmatch yppasswd yppasswdd yppoll yppush ypserv ypset yptest ypwhich ypxfr z zcat zcmp zdiff zdump zforce zgrep zic zless zmore znew

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Topics will be covered in this Blog are : Linux System Administrator - Memory Performance Tuning - File System - User Group - Linux / Unix Commands Processes - Virtual Swap Memory - Mail Server - Remote Access - Linux Permissions - Boot procedure system Logging - Network (xinetd) Configuration (ifconfig) - DNS - DHCP - Web Server - Kernel - Shell Script - Tuning Optimization High Availability Heart-BeatClustering-Backup and Recovery - Network Time Protocol - NIS - NFS - RPM Partition - /proc - Scheduling (crontab) - mount unmount - secured shell (ssh) - Remote Access - Virtual Network Computing (VNC) Default Ports - Services
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