Fedora :: Making The System Changes Permanent?
Jan 24, 2011
I have recently used PowerTop to get information about what settings I could tweak to make my laptop more power efficient. However, my problem is that all such changes seem to dissapear as soon as I reboot my machine. For example, if I run:
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
This value will have been rewritten to 500 when I reboot. Is there any way to change this, and make sure that any and all changes I do to my system remain permanent until I change them to something else? This question is of course not limited to Powertop, I would also like changes I do via for example cpufreq to be permanent as well.
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Feb 9, 2009
I am using RHEL4 server in my network. I have configured VLAN in my network. i am using two gatways to access my Network. I also add two gateways to both the network. but only one gateways will work. Then I added a route for the other netowrk. but when i restart my computer my route is deleted. i used this command to add the route
route add -net 10.0.0.0 netmask 255.255.0.0 gw 10.0.0.1
what i should do that my route should remain permanent either i restart my computer.
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Mar 2, 2010
I'm trying to make sure I don't screw anything up. When I type in the following into the terminal:
sudo hdparm -M 128 /dev/sda
Are the changes permanent, even if I restart? If not, how can I make sure it is permanent? I've read of going into the /etc/hdparm.conf file and editing it, but what exactly do I type and where should it be put in the file?
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Jan 25, 2011
Is there any way of making nomodeset permanent one has to reinstall? I know at least 1 distro has an etc/sysconfing/kernel file you can edit to make the value NO_KMS_IN_INITRD=yes
then mkinitrd makes nomodeset permanent Otherwise its a real bind to have to keep burrowing into the grub2 menu each time to make sure it loads.. :>(
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Apr 8, 2010
I don't want ubuntu to clean /var/cache/apt/archives directory automatically... is it possible to make it permanent by editing any conf file?
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Jun 26, 2011
I'm seeking to make permanent a selection in openSUSE-11.4 LXDE between english and Thai keyboards. And I need help here, as I have only succeed partially. After installing Thai via YaST regional settings, I followed the advice in an LXDE forum here LXDE.org Forum - View topic - How to add layouts to keyboard preferences in LXDE? and on the LXDE Panel I righted click on LXPanel->Add/Remove Panel Items->Panel Applets->Add->Keyboard Layout Switcher. Upon a restart of X that gave me a US flag symbol (for US keyboard) in lower right hand corner. No other language selection. I then as a regular user sent the command
Code:
setxkbmap -option grp:switch,grp:alt_shift_toggle,grp_led:scroll us,th
and I then had a choice between Thai and US keyboard which worked well. That unfortunately is only temporary until the next reboot. HOW to make it permanent ? I tried, and I was unable to make that permanent. I tried adding .Xkbmap to /home/user (restarted/tested) and when that failed I tried adding .Xmodmap to /home/user (restarted/tested) and when that failed I tried adding /etc/X11/Xkbmap (restarted/tested) and when that failed I added same line to /etc/X11/Xmodmap (restarted/tested) and that also failed. The line in all cases was
Code:
-option grp:ctrl_shift_toggle,grp_led:scroll us, th
I also tired editing the /etc/X11/xorg.conf.d/90_keytable.conf file, changing it to
Code:
Section "InputClass"
Identifier "LocalKeyboard"
MatchIsKeyboard "on"
Option "XkbLayout" "us, th"
[code]....
I could create a script with my 1st successful effort (and have that run when LXDE starts up) but surely there is a more elegant way? I am also NOT keen to have this system wide (even thou I tried that system wide (unsuccessfully) at the end) but I would rather only have this for one LXDE user.
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Feb 14, 2011
just can't find the answer for this one (after Google and these forums) So I want to configure my Synaptics touchpad in this fashion:
Code:
synclient RTCornerButton=8 RBCornerButton=10 LTCornerButton=11 LBCornerButton=12 FastTaps=1 This line of code does what it's intended of it. However, the changes made don't really stick after a system reboot.I'll explain:
So, the "FastTaps" part works flawlessly (as intended). However, the corners bit doesn't work after system reboot!...and weird enough, if I set up a start up script with that bit of code on it it'll only remap the last two corners (LT and LB), because RT and RB always get automatically set to "2" and "3". It's obvious then that those corners are getting remaped somewhere I haven't found yet. I've already tried ppa:yurivkhan/ppa and adding new options to "usr/lib/X11/xorg.conf.d/10-synaptics.conf" to no avail either. how to make the remap of touchpad corners permanent? P.S. - I'm using Ubuntu 10.04 LTS with Macbuntu.
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Dec 20, 2010
I'm trying to make xrander changes permanent how can I do it?
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Sep 27, 2010
I have some problem when i want to mount a directory from another server, this is the detail information:
Server : 192.168.2.83.
-> cat /etc/exports = /simprela1 192.168.10.129/255.255.255.0(rw,no_root_squash,no_subtree_check)
Client : 192.168.10.129
[code]....
It's work very well until i try restart my client server and the mount from 192.168.2.83 is gone, if i want it work again i must run mount script again. Can it become the permanent mount, so when i restart my server the mount is already exist?
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Apr 2, 2011
i have auto login and a ultra simple admin password, so it wasn't hard for them to mess with stuff...so when i came home i see that they had gone into terminal and added something to my system. i cant recall what it was because as soon as i saw in the history "warning this will make permanent changes to your system do you want to proceed" and the falling yes i got up and started bitching out my roommate and when i was gone someone had closed terminal. i was wondering is there is a way to search my recent terminal activity to see what was done so i can then find out if i can fix what was done?. or is there another option i should look into?
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Mar 26, 2009
My Fedora 10 install runs from a single PC, from a single location. I'd like the connection, via wireless, to automatically connect to my home network. Right now, I suspect that NetManager scans all the options first.But that's a waste of time. How do I set things up to skip all that and just grab the only connection that will work?I have NetManager set up to "Auto linksys" with MTU set for "automatic" too. I've Googled around for this, but maybe have missed something. Too often, at login I do NOT connect though the network is available. I suspect there's a way to lock this in that I have not yet discovered...
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Mar 10, 2010
i has setup a persistent DNS cache to improve my web-browsing. it works wonders and with my ICC built firefox my web-browsing is laser-fast, pretty much like using internet explorer in windows! however, everytime i reboot, my modifications to /etc/resolv.conf have been replaced... 1st. the file must contain:
# Generated by NetworkManager (obviously modified by this)
nameserver 127.0.0.1 <----this is lost on reboot, and is needed to make it all work
nameserver 209.226.175.223
nameserver 198.235.216.134
i have tried to add this to - System/administration/network, but it doesn't seem to fix the problem. 2nd. my next problem is that when fedora 12 starts up,i need it to start "dnsmasq".i have tried to add it as a startup application, but it doesn't start automatically.so i end up having to start it manually everytime:
sudo /etc/init.d/dnsmasq start
it is annoying, but so far i just deal with it, because my browsing is that much faster! i am planning to post a tutorial for those interested in faster web-browsing in linux, but until i can make the changes perminent there isn't much point.
PS: i have tried to write a shell script to do this and every which way i try it fails
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Jul 13, 2010
So I started playing with my hotkeys today, and much to my dismay, I seem to have irreversibly set the delete hotkey. This is extremely annoying now because instead of deleting the selected text, it executes the command that I put in. The problem is that that specific command is not listed under system>preferences>keyboard shortcuts. Somehow I set it to open the terminal, and now I can't turn it off. (One thing to note, though, is that I can set another command to do nothing with delete as the hotkey. Then terminal doesn't open, but I still can't use the key!)
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Aug 24, 2009
If /mnt & /media are for temporary mount points and removable drives, what is the usual convention for locating permanently mounted partitions for all users on the computer? e.g. I have a partition for photographs, I'll just call it "photos" would it be bad form to mount it as /photos or something like /my_hdd/photos ?In practice it probably won't matter, but I want to make sure it's easy for anyone else to perform admin tasks on the computer when I'm not available.
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Dec 31, 2009
I would like to make group changes on serial ports permanent. I can become root and use chgrp:
chgrp uucp /dev/ttyaa00
but it only lasts until reboot. I think I need to add this line to a startup file but not sure where. I want this to work in run level 3 and 5 (at least). I have a digi portserver and their realport software. The ports are /dev/ttyaa00 through /dev/ttyaa07 and are in group root on startup. I want them in uucp so any user in uucp can use them. This is for F10.
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Jun 23, 2010
I recently compile Kernel 2.6.34 (to fix the AMD PowerNow issue with 1055T processor, and it worked!) However, the device
/dev/shm
starts up at boot as Read-Only.
Google Chrome requires this device to be user-writable, or it won't start up. Presumably, the stock kernels (and all that are updated) have it set to User-Write. I have not noticed any other ill effects with the permission being read-only. If I do:
sudo chmod a+w /dev/shm
Everything will work from there, but each time I reboot, I have to do that. How do I make that permission-change permanent?
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Sep 8, 2011
Our Fedora 15 linux box have the following requirements:
1. Runlevel 3
1. Autologin as root for convenience
2. Run Xorg
3. Run xterm on display :0.0
4. Lauch our program on display :0.0
So we simply put step 2 ~ step 4 in the .bash_profile of root user:
# .bash_profile
if [ -f "/.bahsrc ]; then
.~/.bashrc
fi
export DISPLAY=:0.0
Xorg &
sleep 3 # for some reason, we need this three seconds to make sure that xterm start up successfully
xterm &
The problem is, if I issue "kill xterm", it flashes out some messages disappearing so quick that I can't even read, and then leave me with a black screen with a cross cursor at the center. The system seems to be crashed, even the numlock doesn't work. Since we execute xterm & during logging in, now I can crash my system simply by pressing ctrl + C ! That's disaster!
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Mar 30, 2010
tell me the command to permanent mount a windows directory into linux for using samba.
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Mar 29, 2010
I am trying to set up a permanent resolution in the xorg.conf file. At the moment whenever I reboot the machine the resolution defaults to auto. How I can change that to be constantly at 1600x1200?
Here is my xorg.conf file.
Code: # nvidia-xconfig: version 1.0 (buildmeister@builder62)
Wed May 27 01:58:49 PDT 2009
Section "ServerLayout"
Identifier "Layout"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
InputDevice "stylus" "SendCoreEvents" # Added
InputDevice "eraser" "SendCoreEvents" # Added
InputDevice "cursor" "SendCoreEvents" # Added
InputDevice "pad" "SendCoreEvents"
EndSection .....
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Aug 23, 2015
I have a system which i installed on usb flash (doesn't matter why). The system has 3 partitions: "boot", "/" and "swap". "Swap" and "/" are encrypted by LUKS. "Swap" is encrypted by random key, "/" - by passphrase.
I created this system only to make a liveDVD from it (not liveUSB).
To achieve this goal i installed program called "Systemback" (fork of Remastersys).
Links:
[URL] ....
[URL] ....
So i pushed the button 'Create live system' (or Live system create, don't remember exactly) and configured it to automatically convert .*sblive to .*iso
Program made it's work and i burned image in DVD.
But when i launch it i have this:
The last picture - is when i trying to startliveDVD with installed LVM2. No difference except one message.
I went to freenode and ask some questions. Somebody told me that maybe the problem is in LVM. But LVM was already installed, so i installed LVM2. No result.
How can i make the system that is encrypted by LUKS work from DVD? And is it really possible? Maybe systemback doesn't support feature to make live-image of encrypted system?
The system is Debian 8.1.0
I did the same with nonencrypted system - result is succesfull, liveDVD works.
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Apr 4, 2011
is it possible to make a system image with ease? By that I mean without having to fire up clonezilla and click through 15 clicks? I am probably being lazy and have noticed the really easy way to make a system image in windows - is there something similiar in ubuntu?
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Apr 15, 2011
I have purchased a 500Gb seagate external hard disk.I partitioned it using the xp disk manager. I have now 320gb primary NTFS partition for accessing & storing data through XP & kept 144Gb of unallocated space for installation of Redhat Enterprise Linux 6.0. I have the dvd of RHEL 6.0, now please guide me through the process. I know I have to boot from my dvd drive. But i don't know how to manually allocate & partition the swap, and how much to mount under '/' & under'/boot'.. And also how to set it up for the dual boot.
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Jun 3, 2010
I have a computer, that has the bad luck to be equipped with buggy hard-drives. Actually, they need a firmware update. This firmware update will probably destroy the data on them. I also want to add one or two other hard-drives to the RAID. What I am looking for, is a tool, that makes a clone of the system as it is now. And then, when I will have upgraded the disk firmware and added the other hard-drives, I just clone the system back from the clone.
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Mar 3, 2010
My J2EE application is deployed in Weblogic 9.2 MP3 in Linux box.The problem is "api response time in production system is higher that test system( test system has more data and load w.r.t production .)"we got large amount of page fault in production Garbage collection log ,where as in test system (with same load ) page fault is Zero.And this page fault making my production system slow.In respect of JVM(JrockIt)both the system memory settings(Xms1024m -Xmx1024m -Xgcprio:throughput) are same.
Meminfo for Production:
MemTotal: 3866724 kB
MemFree: 1131748 kB
Buffers: 52304 kB[code].....
any system/kernel parameter set is missing in production which might cause this large amount of page fault. If any more information is required let me know?
Linux Version in Prod:
Linux version 2.6.18-53.el5 (brewbuilder@hs20-bc1-7.build.redhat.com) (gcc version 4.1.2 20070626 (Red Hat 4.1.2-14)) #1 SMP Wed Oct 10 16:34:19 EDT 2007[code]....
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Aug 2, 2010
In Power Manager I set a 5 minutes period of inactivity before turning off the monitor... But in Fedora 11, when I saw movies, the sleep mode didn't come... But in Fedora 13 (programm VLC-player), after 5 minutes, computer come into sleep mode..What do I do to configure Power Manager or another program for watching movies without permanent dragging mouse?))
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Mar 7, 2010
I've already went through the regular process of installation, adding the backports repository and doing the debian way installation, but somehow the system isn't assuming the plugin.
I've rebooted the web browser and even the entire system, but still the plugin does not work.
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Aug 13, 2010
Whenever I'm dealing with large numbers of computers that need to have identical windows installations put on them, I love using Symantec/Norton Ghost to image the NTFS partition (just making the .gho file the size of the disk I've used, instead of the 160/320GB full volume size), and then uploading it automatically to a windows share.I'd love to be able replicate this exact process with Ubuntu. I have one computer that's ready to go, and a few dozen more that I'd like to quickly get that same image on.
I've heard that there's a command called dd that can make disk images, but I'd really like some sort of boot disk that can allow me to make an image, save it, then run the boot disk on another computer to allow me to reconnect to the server and dump that image on that computer. Ghost 4 Linux doesn't have a network/server component, I think.even if such solutions cost money, I'd love to know if they exist or not.
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Jan 17, 2010
I'm wanting to use some Emerald themes. I start the compiz icon and do the settings then when i restart the settings don't stick. Does anyone know how to make them permanent?
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Jul 2, 2009
If any of you have successfully created a video hosting server with Fedora, can you give me any ideas of what software to get and how to configure it and so on? Or, if you have been unsuccessful, can you tell me what doen't work?
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Jul 23, 2009
When I installed Fedora I wasn't paying attention and used my whole hard drive for Linux. Now my Vista is gone, and I don't have an NTFS Partition to reinstall it. Obviously this one is not formatted right... But I want to know how I can add a new NTFS partition to be able to reinstall Vista. I don't care if I have to delete Fedora... I'll just reinstall later using more attention.
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